La description
The New White Mastic
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Flame retardant mastic is a white gray thick jelly, made of
epoxy resin, organic solvent, film forming agent, plasticizers,
flame retardant, and fillers. It is mainly used as vapor barrier
layer for cold insulation and moistrue proof material for building
roof. It has all advantages of asphat based mastic, such as better
formability, wider service temperature, better cold resistance, due
to its main film forming matter is organic polymer.This Fire
Retardant Mastic can not melt or crack easily in hot or cold
temperature, and its application totally same as asphat based
mastic.Â
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Technical Data
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Test Items Unit Technical DataÂ
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Colour White Gray
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Density kg/m³ ***0±**0
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Bonding Strength Mpa ≥0.*5 (*0℃)
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Oxygen Index ≥*0
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Fire Resistance ï¼… Do not cause flame spreading during
construct excution, flame retardant after dried, flame will
self-extinguish within 1s after fire source leaves.
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Heat Durability No flowing or bubble, after 4 hours at
*5℃, then 1 hour at **0℃(positioned at *5°);
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Freezing Resistance No cracks or flak after 2 hours at
**0℃
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Water Absorption ％ ≦0.5％ by weight(soak in water for
*4hours at room temperature).
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