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Benefits:
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May reduce seal costs through automation and use of self-foaming silicone
elastomer
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Suitable for air, dust, and moisture sealing
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Allows flexibility in component design
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Reject rates may be reduced by precise gasket positioning
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Allows seal fabrication/placement to be integrated with part
fabrication
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Outstanding resistance to UV and other environmental degradation
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Easy-to-process two-part system: 1:1 mix ratio
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Expands during cure without external blowing agents or solvents
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Maintains elastomer properties from -40 to 150°C and above
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Fast cure at low temperature (typically 15 minutes)
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No post cure typically required; seal ready for use after initial cure
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Adheres to many plastic and metal surfaces (using corona, flame treatment,
or chemical primers)
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Resistant to compression set over wide temperature range
Process:
In situ robotic dispensing of compression seals uses dispensed silicone
foam. The robot follows the contour of the component and applies precisely
metered bead directly onto sealing surface. After a short time at a low
temperature, the dispensed silicone foam expands and cures.
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