配方类型:

ADHESIVES

配方说明:

配方组成:

titanium dioxide/4.0
calcium carbonate/35.0
polyisobutylene rubber/--
platelet talc/--
attapulgas clay/16.0
butyl rubber/8.0
"amoco" H-300 polybutene/32.0
diatomaceous silica/5.0

配制方法:

in the laboratory the rubbers and polybutene are mixed in a dual arm 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.