What is the difference between the foam sandwich panel and the rock wool sandwich board, what is the board house and what are the two kinds of prices?
The price is based on the thickness of the plate, the cheapest have 30 a few square
with heat curing adhesive in the continuous molding machine heating and pressing compound made of ultra-light construction plate
Foam sandwich panel is a color coated rigid plate for the board, self-extinguishing polystyrene as the core material
as the rock wool sandwich panels do not understand, do not judge, I hope to help you
