Preparation of rigid cross-linked PVC foam with excellent thermal insulation through adding high-reflectivity IR opacifier - ScienceDirectJiangan You a bHaiping Xing aJian Xue aZhiwei Jiang aTao Tang a bComposites Science and Technology
The utility model relates to a curing agent adding device for a phenolic foam insulation board production line. The curing agent adding device is characterized by comprising an under frame, wherein four traveling wheels are uniformly mounted on the lower surface of the under frame; four stand ...