Spring Energized Seals for hydraulic fluid sealing. Designed for extreme and demanding applications.
A chart listing the most popular compounds and their fluid compatibility / technical information.
Seal & Design Canada: Toronto, Ontario 
Headquarters: Clarence, NY Thermoseal/Klinger Non-Asbestos Gaskets
Seal & Design offers gaskets fabricated from Thermoseal’s Klinger non-asbestos gasket product line. The Klinger product line offers a range of top quality gasket material formulations suitable for a variety of situations.
Thermoseal/Klinger Materials Chart
Thermoseal Klinger
Material Style
Fiber Type
Binder Type
Benefits
Datasheet
4201
Synthetic
Nitrile
Excellent Resistance to Oil & Solvents
Good Anti-Stick Properties
Excellent OEM Material
4324
Recycled Fiberglass & Aramid Blend
Nitrile
Low Pressure Steam, Water & Gases
Good for Oils and Fuels
4401
Synthetic
Nitrile
Excellent Sealability
Excellent Chemical Resistance
Good Creep Relaxation
Good General Purpose Sheet
4408
Synthetic
Nitrile
High Temperature & Stress
Fluctuating Temperatures & Pressures
Vibration
Low Carbon Steel Woven Mesh Insert
4409
Synthetic
Nitrile
High Temperature & Stress
Excellent in Hot Gases
Replaces Spiral Wounds
Vibration
Galvanized Low Carbon Steel Insert
4430
Fiberglass & Aramid
Nitrile
Good Sealability
Good Chemical Resistance
General Purpose Sheet
4430 plus
Fiberglass & Aramid
Nitrile
Good for very high temperatures
Good Chemical Resistance
Highest Stress Relaxation
4433
Fiberglass, Aramid, & Inorganic
Nitrile
Ultimate Steam Sheet
Outstanding Load Bearing
Excellent Creep Relaxation
4439
Fiberglass, Aramid, & Inorganic
Nitrile
High Temperature & Stress
Vibration
Galvanized Low Carbon Steel Insert
4500
Carbon
Nitrile
High Temperature
High Internal Pressure
Good Steam Sheet
Suitable for a Wide Range of Chemical Applications
4509
Carbon
Nitrile
Good in High Load Applications
Vibration
Galvanized Low Carbon Steel Insert
6327
Synthetic
Modified SBR Binder
Controlled Swell
Use for Low Temperatures and Low Pressures
Good with Low Bolt Loads
7400
Synthetic
EPDM
Moderate Caustics and Acids
Good Oil Swell Characteristics
Excellent Aging Properties
Good in Light Duty Steam
8200
Synthetic
Hypalon
Acid Resistant
Good Oil-Fuel Resistance
Good Gas Sealability
No Color Added
ML-N562
Synthetic
Nitrile
Designed for difficult sealing applications with very low flange pressures or very rough surface finishes.
ML-S723
ML-S723 is a controlled-swell gasket material intended for heavy-duty applications.
Thermica
Synthetic
Nitrile
Mica reinforced
Excellent stability at High Temperatures
Good for oils, fuels, caustics, steam, and hydrocarbons
top-sil-ML1
Synthetic
Nitrile
Extended service life and less leakage at high temperature
High residual flexibility
High permissible load
Less creep
Quantum
Synthetic
HBNR
Flexibility at high temperature
FDA compliant
Broad range of applications
TEADIT MATERIALS CHART
Thermoseal Klinger
Material Style
Benefits
Datasheet
HL
Standard Industrial Grade Graphite
Superior Chemical Resistance
Highly Compressible & Compactible
Low Gas Permeability
Low Electrical Resistance
Unlimited Shelf Life
PSM
Graphite Mechanically Clinched to a .004″ 316 Stainless Steel Tang Core
Highly Compressible & Compactible
Excellent Anti-Stick Properties
Low Gas Permeability
Low Electrical Resistance
SLS
Graphite Adhesively Bonded to a .002″ 316
Stainless Steel Foil
Highly Compressible & Compactible
Excellent Anti-Stick Properties
Low Gas Permeability
Low Electrical Resistance
Headquarters: Clarence, NY
Seal & Design Canada: Toronto, Ontario
