... sandwich panel 1) light weight 2)Sound Insulation 3)Heat Insulation 4)waterproofEPS sandwich panel performance:1) color ... , cold storage, activity board room, buildings plus layer, purification plant. Maintenance, decorative building materials, activities room office building5) fire ... hoist way, etc. Highstrength: heat preservation and heat insulation for large ships, tanks, ovens, pipelines and other ...