thermal insulation foam: 1. Thermal conductivity<0.030 2. Shock absorption 3. Strong rebound 4. ... sponge;etc. according to your special requirement,contact us for more details:thermal insulation foam product feature: water-proofing, durable, non-toxic, energy ... alkali resistant, shockproof, noise reduction.Certification: UL94HF-1,ROHS Flameproof thermal insulation foam