Flame Retardant Zinc Borate for Rubber Silicone

• Customization: Available
• CAS No.: 12767-90-7
• Formula: 2ZnO. 3b2o3. 3.5H2O
• Model NO.: ZB2335
• EINECS: 215-566-6
• Appearance: Powder
• Grade Standard: Industrial Grade
• Purity: 99.5%
• Transport Package: 25kg/Bag
• Specification: REACH
• Trademark: CHENXU
• Origin: China
• HS Code: 284020
• Production Capacity: 1000mt/Month

Product Description

Molecular Formula: 2ZnO3B2O33.5H2O    
Molecular Weight: 434.5     

 
1.Technical Index 

Appearance	Boric Oxide(%)	Zinc Oxide(%)	Free Water≤(%)	Firing Loss(%)	D50(um)
White Powder	46-48	37-40	0.5	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.Package, transportation and storage
Package: outer woven bag with inner plastic lining, 25kgs/bag, or as customer's requirements.
Transportation: the product is of dangerous one, which should be protected from damp, rainfall and package damage in 
transportation.
Storage: at dry warehouse with good ventilation.