Flame Retardant Zinc Borate Hydrate

• CAS No.: 12767-90-7
• Formula: 2ZnO. 3b2o3. 3.5H2O
• EINECS: 215-566-6
• Appearance: Powder
• Grade Standard: Industrial Grade
• Particle Size: 2-3 Micron
• Model NO.: ZB2335
• Transport Package: 25kg/Bag
• Specification: EU Reach
• Trademark: CHENXU
• Origin: China
• HS Code: 284020
• Production Capacity: 1000mt/Month

Product Description

Molecular Formula: 2ZnO^.3B2O3^.3.5H2O    

Molecular Weight: 434.5    

 

1.Technical Index 

Appearance	Boric Oxide(%)	Zinc Oxide(%)	Free Water≤(%)	Firing Loss(%)	D50(um)
White Powder	46-48	37-40	0.6	13.5-14.5	3-5

 

2.Application

Zinc borate is of inorganic additive flame retardant, with the features of good hot stability, being resistant to firing and eliminating smoke. In some products, it can replace antimony trioxide, and can be mixed with other inorganic flame retardants with better effect. It is widely applied at the sectors of rubber, plastic, cable, timber, coating, tarpaulin, etc.

3. Shipping Information

UN Number: 3077
UN Proper Shipping Name: Environmentally Hazardous Substance, Solid, N.O.S.
Transport Hazard Class(es): 9
Packing Group: III
Environmental Hazards: Marine Pollutant