配方类型：	ADHESIVES
配方说明：	Tape Sealant (Butyl)
配方组成：	Attapulgas Clay/16.0 butyl Rubber/8.0 Diatomaceous Silica/5.0 Titanium Dioxide/4.0 Calcium Carbonate/35.0 Amoco H-300 Polybutene/32.0
配制方法：	In the laboratory the butyl rubber and polybutene are mixed in a dualarm sigma blade mixer for approximately 20 min. Dry ingredients are incrementally added in the order listed while mixing. The sealant is dumped, rested 24 h, and extruded. Note: This sealant is a low-cost alternative to asbestos-containing systems and is suggested for use in metal building systems and automotive applications.

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