Six Environmental Questions
1) What is the temperature range that this gasket will be subjected to?
2) Are these temperatures constant or intermittent?
3) Is this an environmental seal?
4) Is this a gas or liquid seal?
5) What types of chemicals, gases, oils or fuels will this gasket come in contact with, and what are their concentrations?
6) Does the material require UL approval?
Six Physical Questions
1) Will this gasket be subjected to cycles of compression, i.e., door gasket?
2) How much compression force will this gasket receive?
3) Will this material need flexing, tear strength or abrasion resistance?
5) Does this material need to meet any agency criteria such as: ASTM, Mil-spec, FDA, NSF, UL or N.A.S.A.?
6) Does adhesive have a temperature range?
HOW TO SELECT AN ELASTOMER
TEMPERATURE RANGE (see )
COMPRESSION SET
COMPRESSION LOAD RETENTION
COMPRESSION LOAD DEFLECTION
Compression Deflection is the amount of force required, usually measured in lbs/in? (PSI), to compress a material a specific percentage of its original thickness.
DENSITY
FOAMS
SPONGES
SPONGES & FOAMS
DUROMETER IN APPLICATION
HARDNESS
SOLIDS
Sponges & Foams
Cellular Structures - Density - Compression Load Deflection - Compression Set - Compression Load Retention - Flammability
to UL 94
What is an elastomer?
An elastomer usually exhibits the following behavior at room temperature:
An elastomer, more commonly referred to as rubber, is a polymer that has been modified to create cross-linking between polymer chains. This cross-linking changes the polymer from a plastic-like material to an elastic material.
ELASTOMERS
An elastomer, more commonly referred to as rubber, is a polymer that has been modified to create cross-linking |
Types of Elastomer Bellow Mechanical Seals Designed by single or double, Hangzhou SEALCON supply standard and OEM elastomer bellows seal to suit different applications and media in various industries with a variety of suitable materials. Most of SEALCON rubber bellow seals can ...
Types of Elastomer Bellow Mechanical Seals Designed by single or double, Hangzhou SEALCON supply standard and OEM elastomer bellows seals to suit different applications and media in various industries with a variety of suitable materials. Most of SEALCON rubber bellow seals can ...
Elastomer mechanical seal R24 Replacement for: Burgmann 560 Features: Single-Spring Inch size available Performance Capabilities of Elastomer Bellow Seals R24 Temperature: -20℃ to 150℃, dependent on the elastomer Pressure: Up to 8 bar Speed: Up to 10 m/s End play/axial ...
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Cost-effective and high quality Structure from simple to complex High elasticity and long lifetime Zhongde can produce a variety of custom thermoplastic elastomer materials. This material not only has the excellent properties of traditional vulcanized rubber, such as high ...
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Description Composition: Copolymer made by D3f and methyl-vinyl-cyclosiloxane Fluorosilicone Elastomer Topda FS-EH2000 Features Wide application temperature range(-60~200℃) Good resistance to solvent, oil and other chemical mediums Low volatile content Easily mixed with ...
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