Sealant

DH Wear Resistant Sealant is a kind of low-solvent brown jelly, the main composition is organic macromolecule resin, with non-volatile higher than 70％. It is used as vapor barrier sealant in joint of cellular glass and urethane foam board insulation. China Sealant remains soft and flexible in cryogenic temperature, preventing damage to the insulation due to thermal cycling.

Technical Data

Test Item Unit Technical Data

Appearance  Brown Jelly

Density kg/m³ 1100±100

Non-volatile  ％ ≥70

Low Temperature Resistance No peeling off  after being soaked in liquid nitrogen

(-196℃) for 72 hours.

High Temperature Resistance  No cracking or peeling off after 

being placed in 60℃ for 168 hours.

Service Temperature ℃ -196～80