Airtech 4140 Silicone Rubber


Airtech 4140 is the Thermavac grade silicone uncured rubber that is a proprietary formulation that offers high reversion resistance and strength. It is designed to provide superior performance in composite lamination systems for vacuum/autoclave and vacuum/hydraulic curing. Any silicone rubber has the potential to transfer. Silicone transfer investigation should be done by the user. Sold by the square foot. Full rolls are 36" wide x 75 feet long.

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

Catalog Number Description   Qty  
401621 Airtech 4140 0.040" thick SO
401622 Airtech 4140 0.060" thick SO

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Please Note:
Liquid products are sold by weight, not volume.

Shipping and Handling:
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, $28.50 surcharge applied for each package shipped ground.
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.