Flame Retardant & Smoke Suppressant
SmokeShield ZS is a smoke suppressant and flame retardant that has a finer particle size compared to SmokeShield ZB4. ZS is very effective in halogenated polymers, particularly in PVC as a charformer. SmokeShield ZS is also used to replace antimony trioxide in flexible PVC and halogenated polyesters.
Appearance: Fine white to Off-White Powder
Tin content: 40 to 43%
Zinc content: 20 to 23%
Moisture: <0.5%
Particle size, D50: 1 to 3 microns
Primary Chemistry: Zinc Hydroxystannate
Fine particle size
Antimony trioxide replacement
Large particle size and formulation difficulties of commercially available smoke suppressants
Alternative for antimony trioxide for use as smoke suppressants
Flexible PVC
Halogenated polyesters
Flame retardants are used as reactive chemical additives in combustible polymers to prevent, delay, or slow the growth of a fire.
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