Product Description

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

Product Application

it is generally used as glue and sealant between thermal insulation materials, (eg. Cellular Glass, PIR-polyisocyanurate and PUR-polyurethane and etc), it remains flexible through temperature cycling, meanwhile excellent sealing effect can be achieved at joint butt to prevent insulation structure failure from water or water vapor penetration, it can set at ambient temperature.

 

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Payment Terms︰ TT, LC