Grade

Class A

Class B

Purity

97%min

97%min

Foaming volume(ml/g)

215min

225min

Decompose temperature

200℃min

200℃min

Loss on drying

0.15%max

0.15%max

Ash

0.10%max

0.10%max

Particle size

12-15

6-8

Residue on 400 mesh sieve

0.10%max

0.10%max