UNLIMITED FREE ACCESS TO THE WORLD'S BEST IDEAS

close

UL 157

UL Standard for Safety Gaskets and Seals

active, Most Current
Buy Now
Organization: UL
Publication Date: 8 March 1996
Status: active
Page Count: 48
scope:

These requirements cover test procedures and performance criteria for the evaluation of nonmetallic gasket and seal materials such as elastomers, composite gasket material, flexible cellular material, thermoplastics and thermoplastic elastomers for specific end products.

The general use of these gasket and seal materials is to exclude or hold within an enclosure materials that are liquid, gas, or vapor.

The materials covered in this standard are incomplete in certain construction features or restricted in performance capabilities, and are intended for use as components in complete equipment.

This standard covers gaskets and seals as:

a) Elastomers, thermoplastics and thermoplastic elastomers in the form of solid sheets, flexible cellular sheets, slabs, rolls, or parts, ²O² rings, seats, shaft seals, and special forms.

b) Composite gaskets in the form of sheets, rolls and cut forms of the types described in 3.2.

c) Coated fabrics in the form of elastomers reinforced with fabrics in sheets or diaphragm form.

The material composition of these gaskets and seals excludes metals.

The gaskets and seals are evaluated for various properties to provide profile information - see Table 4.1. They are also evaluated for specific end-use applications - see Table 4.2. Table 4.3 specifies the oven aging required for establishing the maximum temperature for an expected use.

Document History

UL 157
March 8, 1996
UL Standard for Safety Gaskets and Seals
These requirements cover test procedures and performance criteria for the evaluation of nonmetallic gasket and seal materials such as elastomers, composite gasket material, flexible cellular...
March 8, 1996
UL Standard for Safety Gaskets and Seals
These requirements cover test procedures and performance criteria for the evaluation of nonmetallic gasket and seal materials such as elastomers, composite gasket material, flexible cellular...
157
March 8, 1996
UL Standard for Safety Gaskets and Seals
A description is not available for this item.
157
March 8, 1996
UL Standard for Safety Gaskets and Seals
A description is not available for this item.
157
March 8, 1996
UL Standard for Safety Gaskets and Seals
A description is not available for this item.
March 8, 1996
UL Standard for Safety Gaskets and Seals
These requirements cover test procedures and performance criteria for the evaluation of nonmetallic gasket and seal materials such as elastomers, composite gasket material, flexible cellular...
157
January 1, 1991
UL Standard for Safety Gaskets and Seals
A description is not available for this item.

References

Advertisement