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Flame Retardant/Smoke Suppressant
SmokeShield ZB4 is primarily used as a smoke suppressant in the presence of a halogen especially in PVC. It can also be used as a synergist instead of ATO in thermoplastic and thermoset applications.
Appearance: Fine white powder
ZnO content: 36.4 to 38.4%
B2O3 content: 47.1 to 49.1%
Moisture: ≤0.35%
Particle size, D50: 4 to 7 microns
Primary Chemistry:
Zinc Borate
Alternative smoke suppressant for antimony trioxides in thermoplastics
PVC resin systems
Thermosets
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