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Airtech Airpad Rubber

Airpad is an uncured non-silicone rubber that can be made into pressure caul sheets and flexible mandrels. The Airpad pressure intensifier provides uniform pressure distribution during autoclave processing. This creates toolside part quality on the vacuum bag side of the part. Airpad will take high temperatures similar to silicone rubbers but will not cause silicone contamination. Airpad is not degraded by epoxies, unlike silicones. Airpad is dimensionally stable when reinforced with Toolmaster Prepreg TMGP4100 or TMFP3100. Toolmaster TMGP4100 and TMFP3100 have the same flow and cure temperatures as Airpad making a perfect bond. Toolmaster is a hot melt system that does not give off volatiles from solvents that could also cause delamination.

Airpad must be reinforced with Toolmaster prepreg to stay dimensionally stable.. Never reinforce the male radius if stretch is needed. Airpad is not a release rubber, therefore, it is necessary to bond 2 mil (50m) A4000 bondable one side to the Airpad during fabrication. An alternative release method is to apply Tooltec CS5 to the cured Airpad. We suggest the 2 mil (50m) A4000 bondable one side because the bond lasts longer than the Tooltec CS5. Integrated stiffeners and flexible mandrels can also be fabricated from Airpad. Our flexible mandrels are ideal for closed end tooling. Flexible mandrels can do anything that was previously done by trapped rubber molding.

Due to vendor restrictions, this product may not be available in all geographical areas. Please call us or request a quote for details.

Technical Resources


Catalog Number Description   Qty  
401618 Airtech Airpad 1/16 x 54" x 50' SO

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Please Note:
Liquid products are sold by weight, not volume.
SPB = Sheets per Box

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Freeman charges standard published UPS/FedEx shipping rates (unless freight is specified). All orders under $25 are subject to a $5 small order fee. International orders are subject to a $250 minimum order.

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Ship Note Legend:
HAZ-G = Hazardous material, cannot ship air, up to $33 surcharge applied for each package shipped ground within the US.
HAZ-A = Hazardous material, cannot ship air, no surcharge for ground shipping.
HAZ-T = Toxic material, must be sent by freight carrier.
FRT = must be sent by freight carrier due to size, weight, or hazardous classification.