Fire Retardant Mastic

Product Details

Flame retardant mastic is thick black jelly made of asphalt or epoxy resin, added with mineral and adequate flame retardant, it could be use in normal temperature, not shrink or crack during moulding, after moulding it develops with its final set a firm, drable surface with good resistance to acids, alkalis, abrasion and weathering stablilty, also it has air-tightness, water impermeability, cold resistance, corrosion protection, fire retardant, hard to deteriorate or crack by ages, and long-term application, this product contains no asbestos, lead mercury or mercury compounds.

Dehe professionally manufacture fire retardant mastic, Foam Glass, PU foam, PIR foam, foam material, etc.

Technical Data

Test Items	Unit	Technical Data
Test Items	Unit	Flame Retardant Mastic
Colour		Black
Density	Kg/m³	1300±100
Bonding Strength	Mpa	≧0.25 (20℃)
Oxygen Index		≧30
Fire Resistance	％	Do not cause flame spreading during construct excution, flame retardant after dried, flame will self-extinguish within 1s after fire source leaves.
Heat Durability		No flowing or bubble, after 4 hours at 95℃, then 1 hour at 120℃(positioned at 45°);
Freezing Resistance		No cracks or flak after 2 hours at -60℃
Water Absorption	％	≦0.5％ by weight(soak in water for 24hours at room temperature).
Drying Time	h	Set to touch: 5 hours, dry through: 7days.