Product name

Flame retardant Zinc borate

Chemical property

CAS No:1332-07-6

Molecular Formula: ZnB4O7

Molecular weight:435.4

Properties

White color powder

Specifications

ZnO % : 37.74

B2O3 % : 47.65

Surface Water % : 0.14

Water of crystallization % : 13.70

Lead content (ppm) % : 6.80

Cadmium (ppm) % : 1.43

Specific gravity: 2.67

Melting point oC: 980

Temp. of dehydration oC: 320

Refractive Index :1.58

Whiteness : 97

Particle Size D50 (um): 1.88

Usage

1.Inorganic addition flame retardan2.Good hot stability3.Used in rubber, plastic, cable, wood

Package and loaded 

25kg/bags or paper kraft bag and plastic bags, 20 tons can be loaded in one 20'GP without pellet

Delivery time

5-7days