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Gasketing Solutions
PORON® urethanes: flexible, high density,
microcellular products, offer design engineers many outstanding
features. PORON products maintain excellent resistance to
compression set, exhibit high resiliency, good vibrator damping and impact
absorption. Parts made form PORON urethanes continue to perform
after constant and repeated deflection. Components won't loosen, and
gasketing integrity is maintained.
Underwriters
Laboratory has recognized PORON cellular urethanes materials as acceptable
gasketing for electrical enclosures. These foam products carry UL
recognition, JMST2, for use as a gasket material in complete
equipment. The recognition meets the gasketing requirements of
safety standards UL50 and UL508. PORON 4701-30, 4701-40 and 4701-50
grades are ideal solutions for enclosure gasketing applications (see UL
material links below). For further information on working with PORON
materials for gasketing solutions, refer to our
Sealing and Gasketing
Design Guide.
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Soft Seal - Designed for superior sealing at 6 pounds per cubic
foot, this material is the lowest density offering in the PORON
urethane product line.
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4790-92 - Extra soft, slow rebound with the lowest
closure force. Standard available thickness range from
0.021" to 0.500" (0.53 mm to 12.7 mm).
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4701-30 - Very soft, easily compressed for use where
flexibility is a key requirement. Standard available
thickness range from 0.021" to .500" (0.53 mm to 12.7 mm).
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4701-40 - Soft material for a wide variety of
applications. Standard available thickness range from
0.031" to 0.500" (0.79 mm to 12.7 mm).
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4701-41- Soft, enhanced sealability material offering
greater closed-cell content for demanding vacuum sealing applications
or low closure-force requirements. Standard available thickness
range from 0.031" to 0.500" (0.79 mm to 12.7 mm).
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4701-50 - Firm material used for managing high energy
impact with gasketing needs. Standard available thickness range
from 0.012" to 0.500" (0.30 mm to 12.7 mm).
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4701-60 - Very firm material used for energy management
solutions for enclosure gasketing applications. Standard
available thickness range from 0.021" to 0.500" (0.53 mm to
12.7 mm)
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