Inlet Seals for GC Injectors

GC Inlet Seals

A gas chromatography (GC) inlet seal is designed to create a secure, leak-tight connection between the inlet body and the ferrule of the capillary column. Even minor leaks within a split/splitless GC inlet can compromise system performance by lowering sensitivity, increasing background noise, and contributing to greater column bleed. The seal plays a critical role in eliminating potential microleaks along the flow path. By forming a reliable seal at the base of the inlet, it helps maintain a stable connection to the analytical column.

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Replacement Inlet Seals, 1.2 mm, Stainless Steel, for Agilent GCs, pk.2

Restek Replacement Inlet Seals, 1.2 mm, Stainless Steel, for Agilent GCs, pk.2The inlet seal at the base of the Agilent 5890/6890/7890 GC injection port contacts the sample and must be changed frequently to prevent adsorption of active compounds. In addition, septum fragments and sample residue accumulate on the disk surface, requiring disk replacement.To reduce breakdown and adsorption of active compounds, use a gold-plated or Siltek-treated seal. Use a stainless-steel seal for analyses of unreactive compounds.Note: The 1.2 mm inlet seal is recommended when installing two columns using a two-hole Vespel/graphite ferrule.- Available in stainless steel, gold-plated, or Siltek-treated. Gold plating or Siltek treatment provide enhanced inertness versus stainless steel.- All seals include washers.

Art.-Nr.: RT-20390

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Replacement Inlet Seals, 1.2 mm, Stainless Steel, for Agilent GCs, pk.10

Restek Replacement Inlet Seals, 1.2 mm, Stainless Steel, for Agilent GCs, pk.10The inlet seal at the base of the Agilent 5890/6890/7890 GC injection port contacts the sample and must be changed frequently to prevent adsorption of active compounds. In addition, septum fragments and sample residue accumulate on the disk surface, requiring disk replacement.To reduce breakdown and adsorption of active compounds, use a gold-plated or Siltek-treated seal. Use a stainless-steel seal for analyses of unreactive compounds.Note: The 1.2 mm inlet seal is recommended when installing two columns using a two-hole Vespel/graphite ferrule.- Available in stainless steel, gold-plated, or Siltek-treated. Gold plating or Siltek treatment provide enhanced inertness versus stainless steel.- All seals include washers.

Art.-Nr.: RT-20391

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Inlet Seals, 1/16" SS for Agilent GCs, pk.10

Restek Inlet Seals, 1/16" Stainless Steel for Agilent GCs, pk.10The inlet seal at the base of the Agilent 5890/6890/7890 GC injection port contacts the sample and must be changed frequently to prevent adsorption of active compounds. In addition, septum fragments and sample residue accumulate on the disk surface, requiring disk replacement.To reduce breakdown and adsorption of active compounds, use a gold-plated or Siltek-treated seal. Use a stainless-steel seal for analyses of unreactive compounds.Note: The 1.2 mm inlet seal is recommended when installing two columns using a two-hole Vespel/graphite ferrule.- Available in stainless steel, gold-plated, or Siltek-treated. Gold plating or Siltek treatment provide enhanced inertness versus stainless steel.- All seals include washers.

Art.-Nr.: RT-20393

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Inlet Seals, 0.8mm Siltek® Cross Disk for Agilent GCs, pk.10

Cross-Disk Inlet Seals, 0.8 mm, Siltek Treated, for Agilent GCs, pk.10

Restek Cross-Disk Inlet Seals, 0.8 mm, Siltek Treated, for Agilent GCs, pk.10To reduce breakdown and adsorption of active compounds, use a gold-plated or Siltek-treated seal.- Ideal for high-flow split applications >500 mL/min.- Available in gold-plated or Siltek-treated. Gold plating or Siltek treatment provide enhanced inertness versus stainless steel.- All seals include washers.

Art.-Nr.: RT-20474

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Inlet Seals, 0.8mm Siltek® Cross Disk for Agilent GCs, pk.2

Cross-Disk Inlet Seals, 0.8 mm, Siltek Treated, for Agilent GCs, pk.2

Restek Cross-Disk Inlet Seals, 0.8 mm, Siltek Treated, for Agilent GCs, pk.2To reduce breakdown and adsorption of active compounds, use a gold-plated or Siltek-treated seal.- Ideal for high-flow split applications >500 mL/min.- Available in gold-plated or Siltek-treated. Gold plating or Siltek treatment provide enhanced inertness versus stainless steel.- All seals include washers.

Art.-Nr.: RT-20475

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Inlet Seals, 0.8mm Gold Plated Cross Disk for Agilent GCs, pk.10

Cross-Disk Inlet Seals, 0.8 mm, Gold-Plated, for Agilent GCs, pk.10

Restek Cross-Disk Inlet Seals, 0.8 mm, Gold-Plated, for Agilent GCs, pk.10To reduce breakdown and adsorption of active compounds, use a gold-plated or Siltek-treated seal.- Ideal for high-flow split applications >500 mL/min.- Available in gold-plated or Siltek-treated. Gold plating or Siltek treatment provide enhanced inertness versus stainless steel.- All seals include washers.

Art.-Nr.: RT-20476

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Mevcut

Inlet Seals, 0.8mm Gold Plated Cross Disk for Agilent GCs, pk.2

Cross-Disk Inlet Seals, 0.8 mm, Gold-Plated, for Agilent GCs, pk.2

Restek Cross-Disk Inlet Seals, 0.8 mm, Gold-Plated, for Agilent GCs, pk.2To reduce breakdown and adsorption of active compounds, use a gold-plated or Siltek-treated seal.- Ideal for high-flow split applications >500 mL/min.- Available in gold-plated or Siltek-treated. Gold plating or Siltek treatment provide enhanced inertness versus stainless steel.- All seals include washers.

Art.-Nr.: RT-20477

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Cross-Disk Inlet Seals, 1.2 mm, Gold-Plated, for Agilent GCs, pk.2

Restek Cross-Disk Inlet Seals, 1.2 mm, Gold-Plated, for Agilent GCs, pk.2To reduce breakdown and adsorption of active compounds, use a gold-plated or Siltek-treated seal.- Ideal for high-flow split applications >500 mL/min.- Available in gold-plated or Siltek-treated. Gold plating or Siltek treatment provide enhanced inertness versus stainless steel.- All seals include washers.

Art.-Nr.: RT-21009

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Cross-Disk Inlet Seals, 1.2 mm, Gold-Plated, for Agilent GCs, pk.10

Restek Cross-Disk Inlet Seals, 1.2 mm, Gold-Plated, for Agilent GCs, pk.10To reduce breakdown and adsorption of active compounds, use a gold-plated or Siltek-treated seal.- Ideal for high-flow split applications >500 mL/min.- Available in gold-plated or Siltek-treated. Gold plating or Siltek treatment provide enhanced inertness versus stainless steel.- All seals include washers.

Art.-Nr.: RT-21010

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Inlet Seals, 1.2mm Siltek® Cross Disk for Agilent GCs, pk.2

Restek Inlet Seals, 1.2mm Siltek® Cross Disk for Agilent GCs, pk.2To reduce breakdown and adsorption of active compounds, use a gold-plated or Siltek-treated seal.- Ideal for high-flow split applications >500 mL/min.- Available in gold-plated or Siltek-treated. Gold plating or Siltek treatment provide enhanced inertness versus stainless steel.- All seals include washers.

Art.-Nr.: RT-21011

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Cross-Disk Inlet Seals, 1.2 mm, Siltek Treated, for Agilent GCs, pk.10

Restek Cross-Disk Inlet Seals, 1.2 mm, Siltek Treated, for Agilent GCs, pk.10To reduce breakdown and adsorption of active compounds, use a gold-plated or Siltek-treated seal.- Ideal for high-flow split applications >500 mL/min on Agilent 5890 GCs.- Available in gold-plated or Siltek-treated. Gold plating or Siltek treatment provide enhanced inertness versus stainless steel.- All seals include washers.

Art.-Nr.: RT-21012

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Inlet Seals 0.8mm Stainless Steel Dual Vespel Ring, pk.2

Dual Vespel Ring Inlet Seals, 0.8 mm, Stainless Steel, for Agilent GCs, pk.2

Restek Dual Vespel Ring Inlet Seals, 0.8 mm, Stainless Steel, for Agilent GCs, pk.2Our patented dual Vespel ring inlet seal greatly improves injection port performance - it stays sealed, even after repeated temperature cycles, without retightening the reducing nut! This seal features two soft Vespel rings, one embedded in its top surface and the other embedded in its bottom surface. These rings eliminate the need for a washer and ensure very little torque is needed to make a leak-tight seal. The rings will not harm the critical seal in the injector body, or any other surface, and are outside the sample flow path.To reduce breakdown and adsorption of active compounds, use a gold-plated or Siltek-treated seal. Use a stainless-steel seal for analyses of unreactive compounds.- Does not require a separate washer.- Requires less torque to seal.- Does not require retightening of reducing nut after several oven cycles.- Extends column lifetime by preventing oxygen from reaching the column.- Same price as the regular inlet seals with washers.- Available in stainless steel, gold-plated, or Siltek-treated. Gold plating or Siltek treatment provide enhanced inertness versus stainless steel.

Art.-Nr.: RT-21238

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Inlet Seals 0.8mm Stainless Steel Dual Vespel Ring, pk.10

Dual Vespel Ring Inlet Seals, 0.8 mm, Stainless Steel, for Agilent GCs, pk.10

Restek Dual Vespel Ring Inlet Seals, 0.8 mm, Stainless Steel, for Agilent GCs, pk.10Our patented dual Vespel ring inlet seal greatly improves injection port performance - it stays sealed, even after repeated temperature cycles, without retightening the reducing nut! This seal features two soft Vespel rings, one embedded in its top surface and the other embedded in its bottom surface. These rings eliminate the need for a washer and ensure very little torque is needed to make a leak-tight seal. The rings will not harm the critical seal in the injector body, or any other surface, and are outside the sample flow path.To reduce breakdown and adsorption of active compounds, use a gold-plated or Siltek-treated seal. Use a stainless-steel seal for analyses of unreactive compounds.- Does not require a separate washer.- Requires less torque to seal.- Does not require retightening of reducing nut after several oven cycles.- Extends column lifetime by preventing oxygen from reaching the column.- Same price as the regular inlet seals with washers.- Available in stainless steel, gold-plated, or Siltek-treated. Gold plating or Siltek treatment provide enhanced inertness versus stainless steel.

Art.-Nr.: RT-21239

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Inlet Seals 0.8mm Gold-Plated Dual Vespel Ring, pk.2

Inlet Seals 0.8mm Gold-Plated Dual Vespel Ring for Agilent GCs, pk.2

Restek Inlet Seals 0.8mm Gold-Plated Dual Vespel Ring for Agilent GCs, pk.2Our patented dual Vespel ring inlet seal greatly improves injection port performance - it stays sealed, even after repeated temperature cycles, without retightening the reducing nut! This seal features two soft Vespel rings, one embedded in its top surface and the other embedded in its bottom surface. These rings eliminate the need for a washer and ensure very little torque is needed to make a leak-tight seal. The rings will not harm the critical seal in the injector body, or any other surface, and are outside the sample flow path.To reduce breakdown and adsorption of active compounds, use a gold-plated or Siltek-treated seal. Use a stainless-steel seal for analyses of unreactive compounds.- Does not require a separate washer.- Requires less torque to seal.- Does not require retightening of reducing nut after several oven cycles.- Extends column lifetime by preventing oxygen from reaching the column.- Same price as the regular inlet seals with washers.- Available in stainless steel, gold-plated, or Siltek-treated. Gold plating or Siltek treatment provide enhanced inertness versus stainless steel.

Art.-Nr.: RT-21240

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Inlet Seals 0.8mm Gold-Plated Dual Vespel Ring, pk.10

Inlet Seals 0.8mm Gold-Plated Dual Vespel Ring for Agilent GCs, pk.10

Restek Inlet Seals 0.8mm Gold-Plated Dual Vespel Ring for Agilent GCs, pk.10Our patented dual Vespel ring inlet seal greatly improves injection port performance - it stays sealed, even after repeated temperature cycles, without retightening the reducing nut! This seal features two soft Vespel rings, one embedded in its top surface and the other embedded in its bottom surface. These rings eliminate the need for a washer and ensure very little torque is needed to make a leak-tight seal. The rings will not harm the critical seal in the injector body, or any other surface, and are outside the sample flow path.To reduce breakdown and adsorption of active compounds, use a gold-plated or Siltek-treated seal. Use a stainless-steel seal for analyses of unreactive compounds.- Does not require a separate washer.- Requires less torque to seal.- Does not require retightening of reducing nut after several oven cycles.- Extends column lifetime by preventing oxygen from reaching the column.- Same price as the regular inlet seals with washers.- Available in stainless steel, gold-plated, or Siltek-treated. Gold plating or Siltek treatment provide enhanced inertness versus stainless steel.

Art.-Nr.: RT-21241

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Inlet Seals 0.8mm Siltek Dual Vespel Ring, pk.2

Dual Vespel Ring Inlet Seals, 0.8 mm, Siltek Treated, for Agilent GCs, pk.2

Restek Dual Vespel Ring Inlet Seals, 0.8 mm, Siltek Treated, for Agilent GCs, pk.2Our patented dual Vespel ring inlet seal greatly improves injection port performance - it stays sealed, even after repeated temperature cycles, without retightening the reducing nut! This seal features two soft Vespel rings, one embedded in its top surface and the other embedded in its bottom surface. These rings eliminate the need for a washer and ensure very little torque is needed to make a leak-tight seal. The rings will not harm the critical seal in the injector body, or any other surface, and are outside the sample flow path.To reduce breakdown and adsorption of active compounds, use a gold-plated or Siltek-treated seal. Use a stainless-steel seal for analyses of unreactive compounds.- Does not require a separate washer.- Requires less torque to seal.- Does not require retightening of reducing nut after several oven cycles.- Extends column lifetime by preventing oxygen from reaching the column.- Same price as the regular inlet seals with washers.- Available in stainless steel, gold-plated, or Siltek-treated. Gold plating or Siltek treatment provide enhanced inertness versus stainless steel.

Art.-Nr.: RT-21242

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Inlet Seals 0.8mm Siltek Dual Vespel Ring, pk.10

Dual Vespel Ring Inlet Seals, 0.8 mm, Siltek Treated, for Agilent GCs, pk.10

Restek Dual Vespel Ring Inlet Seals, 0.8 mm, Siltek Treated, for Agilent GCs, pk.10Our patented dual Vespel ring inlet seal greatly improves injection port performance - it stays sealed, even after repeated temperature cycles, without retightening the reducing nut! This seal features two soft Vespel rings, one embedded in its top surface and the other embedded in its bottom surface. These rings eliminate the need for a washer and ensure very little torque is needed to make a leak-tight seal. The rings will not harm the critical seal in the injector body, or any other surface, and are outside the sample flow path.To reduce breakdown and adsorption of active compounds, use a gold-plated or Siltek-treated seal. Use a stainless-steel seal for analyses of unreactive compounds.- Does not require a separate washer.- Requires less torque to seal.- Does not require retightening of reducing nut after several oven cycles.- Extends column lifetime by preventing oxygen from reaching the column.- Same price as the regular inlet seals with washers.- Available in stainless steel, gold-plated, or Siltek-treated. Gold plating or Siltek treatment provide enhanced inertness versus stainless steel.

Art.-Nr.: RT-21243

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Dual Vespel Ring Inlet Seals, 1.2 mm, Stainless Steel, for Agilent GCs, pk.10

Restek Dual Vespel Ring Inlet Seals, 1.2 mm, Stainless Steel, for Agilent GCs, pk.10Our patented dual Vespel ring inlet seal greatly improves injection port performance - it stays sealed, even after repeated temperature cycles, without retightening the reducing nut! This seal features two soft Vespel rings, one embedded in its top surface and the other embedded in its bottom surface. These rings eliminate the need for a washer and ensure very little torque is needed to make a leak-tight seal. The rings will not harm the critical seal in the injector body, or any other surface, and are outside the sample flow path.To reduce breakdown and adsorption of active compounds, use a gold-plated or Siltek-treated seal. Use a stainless-steel seal for analyses of unreactive compounds.- Does not require a separate washer.- Requires less torque to seal.- Does not require retightening of reducing nut after several oven cycles.- Extends column lifetime by preventing oxygen from reaching the column.- Same price as the regular inlet seals with washers.- Available in stainless steel, gold-plated, or Siltek-treated. Gold plating or Siltek treatment provide enhanced inertness versus stainless steel.

Art.-Nr.: RT-21245

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Inlet Seals 1.2mm Gold-Plated Dual Vespel Ring, pk.2

Dual Vespel Ring Inlet Seals, 1.2 mm, Gold-Plated, for Agilent GCs, pk.2

Restek Dual Vespel Ring Inlet Seals, 1.2 mm, Gold-Plated, for Agilent GCs, pk.2Our patented dual Vespel ring inlet seal greatly improves injection port performance - it stays sealed, even after repeated temperature cycles, without retightening the reducing nut! This seal features two soft Vespel rings, one embedded in its top surface and the other embedded in its bottom surface. These rings eliminate the need for a washer and ensure very little torque is needed to make a leak-tight seal. The rings will not harm the critical seal in the injector body, or any other surface, and are outside the sample flow path.To reduce breakdown and adsorption of active compounds, use a gold-plated or Siltek-treated seal. Use a stainless-steel seal for analyses of unreactive compounds.- Does not require a separate washer.- Requires less torque to seal.- Does not require retightening of reducing nut after several oven cycles.- Extends column lifetime by preventing oxygen from reaching the column.- Same price as the regular inlet seals with washers.- Available in stainless steel, gold-plated, or Siltek-treated. Gold plating or Siltek treatment provide enhanced inertness versus stainless steel.

Art.-Nr.: RT-21246

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Inlet Seals 1.2mm Gold-Plated Dual Vespel Ring, pk.10

Dual Vespel Ring Inlet Seals, 1.2 mm, Gold-Plated, for Agilent GCs, pk.10

Restek Dual Vespel Ring Inlet Seals, 1.2 mm, Gold-Plated, for Agilent GCs, pk.10Our patented dual Vespel ring inlet seal greatly improves injection port performance - it stays sealed, even after repeated temperature cycles, without retightening the reducing nut! This seal features two soft Vespel rings, one embedded in its top surface and the other embedded in its bottom surface. These rings eliminate the need for a washer and ensure very little torque is needed to make a leak-tight seal. The rings will not harm the critical seal in the injector body, or any other surface, and are outside the sample flow path.To reduce breakdown and adsorption of active compounds, use a gold-plated or Siltek-treated seal. Use a stainless-steel seal for analyses of unreactive compounds.- Does not require a separate washer.- Requires less torque to seal.- Does not require retightening of reducing nut after several oven cycles.- Extends column lifetime by preventing oxygen from reaching the column.- Same price as the regular inlet seals with washers.- Available in stainless steel, gold-plated, or Siltek-treated. Gold plating or Siltek treatment provide enhanced inertness versus stainless steel.

Art.-Nr.: RT-21247

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Inlet Seals 1.2mm Siltek Dual Vespel Ring, pk.2

Dual Vespel Ring Inlet Seals, 1.2 mm, Siltek Treated, for Agilent GCs, pk.2

Restek Dual Vespel Ring Inlet Seals, 1.2 mm, Siltek Treated, for Agilent GCs, pk.2Our patented dual Vespel ring inlet seal greatly improves injection port performance - it stays sealed, even after repeated temperature cycles, without retightening the reducing nut! This seal features two soft Vespel rings, one embedded in its top surface and the other embedded in its bottom surface. These rings eliminate the need for a washer and ensure very little torque is needed to make a leak-tight seal. The rings will not harm the critical seal in the injector body, or any other surface, and are outside the sample flow path.To reduce breakdown and adsorption of active compounds, use a gold-plated or Siltek-treated seal. Use a stainless-steel seal for analyses of unreactive compounds.- Does not require a separate washer.- Requires less torque to seal.- Does not require retightening of reducing nut after several oven cycles.- Extends column lifetime by preventing oxygen from reaching the column.- Same price as the regular inlet seals with washers.- Available in stainless steel, gold-plated, or Siltek-treated. Gold plating or Siltek treatment provide enhanced inertness versus stainless steel.

Art.-Nr.: RT-21248

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Inlet Seals 1.2mm Siltek Dual Vespel Ring, pk.10

Dual Vespel Ring Inlet Seals, 1.2 mm, Siltek Treated, for Agilent GCs, pk.10

Restek Dual Vespel Ring Inlet Seals, 1.2 mm, Siltek Treated, for Agilent GCs, pk.10Our patented dual Vespel ring inlet seal greatly improves injection port performance - it stays sealed, even after repeated temperature cycles, without retightening the reducing nut! This seal features two soft Vespel rings, one embedded in its top surface and the other embedded in its bottom surface. These rings eliminate the need for a washer and ensure very little torque is needed to make a leak-tight seal. The rings will not harm the critical seal in the injector body, or any other surface, and are outside the sample flow path.To reduce breakdown and adsorption of active compounds, use a gold-plated or Siltek-treated seal. Use a stainless-steel seal for analyses of unreactive compounds.- Does not require a separate washer.- Requires less torque to seal.- Does not require retightening of reducing nut after several oven cycles.- Extends column lifetime by preventing oxygen from reaching the column.- Same price as the regular inlet seals with washers.- Available in stainless steel, gold-plated, or Siltek-treated. Gold plating or Siltek treatment provide enhanced inertness versus stainless steel.

Art.-Nr.: RT-21249

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Inlet Seals, 1.2mm Gold Plated for Agilent GCs, pk.2

Restek Inlet Seals, 1.2mm Gold Plated for Agilent GCs, pk.2The inlet seal at the base of the Agilent 5890/6890/7890 GC injection port contacts the sample and must be changed frequently to prevent adsorption of active compounds. In addition, septum fragments and sample residue accumulate on the disk surface, requiring disk replacement.To reduce breakdown and adsorption of active compounds, use a gold-plated or Siltek-treated seal. Use a stainless-steel seal for analyses of unreactive compounds.Note: The 1.2 mm inlet seal is recommended when installing two columns using a two-hole Vespel/graphite ferrule.- Available in stainless steel, gold-plated, or Siltek-treated. Gold plating or Siltek treatment provide enhanced inertness versus stainless steel.- All seals include washers.

Art.-Nr.: RT-21305

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Replacement Inlet Seals, 1.2 mm, Gold-Plated, for Agilent GCs, pk.10

Restek Replacement Inlet Seals, 1.2 mm, Gold-Plated, for Agilent GCs, pk.10The inlet seal at the base of the Agilent 5890/6890/7890 GC injection port contacts the sample and must be changed frequently to prevent adsorption of active compounds. In addition, septum fragments and sample residue accumulate on the disk surface, requiring disk replacement.To reduce breakdown and adsorption of active compounds, use a gold-plated or Siltek-treated seal. Use a stainless-steel seal for analyses of unreactive compounds.Note: The 1.2 mm inlet seal is recommended when installing two columns using a two-hole Vespel/graphite ferrule.- Available in stainless steel, gold-plated, or Siltek-treated. Gold plating or Siltek treatment provide enhanced inertness versus stainless steel.- All seals include washers.

Art.-Nr.: RT-21306

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Replacement Inlet Seals, 1.2 mm, Siltek Treated, for Agilent GCs, pk.2

Restek Replacement Inlet Seals, 1.2 mm, Siltek Treated, for Agilent GCs, pk.2The inlet seal at the base of the Agilent 5890/6890/7890 GC injection port contacts the sample and must be changed frequently to prevent adsorption of active compounds. In addition, septum fragments and sample residue accumulate on the disk surface, requiring disk replacement.To reduce breakdown and adsorption of active compounds, use a gold-plated or Siltek-treated seal. Use a stainless-steel seal for analyses of unreactive compounds.Note: The 1.2 mm inlet seal is recommended when installing two columns using a two-hole Vespel/graphite ferrule.- Available in stainless steel, gold-plated, or Siltek-treated. Gold plating or Siltek treatment provide enhanced inertness versus stainless steel.- All seals include washers.

Art.-Nr.: RT-21307

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