TEST ITEMS

SPECIFICATION

APPEARANCE

Cream white powder

FINENESS (76mm)

98% min

VOLATILE AT 105°C

3.5% max

DISPERSION VISCOSITY

7%

XYLENE

4.0 mpa.s min

200#

4.0 mpa.s min

LOSS ON IGNITION

34 min

Pb

15 mg/kg max

As

5 mg/kg max

SPECIFIC GRAVITY

1.7

MOISTURE

4.0% max

POLARITY

benzene, ester, ketone, ether and alcoho mixed solvent

DISPERSION CONDITIONS

require polarity activator, ethanol (95/5) input is 30%-50% of dry powder, high speed disperse, grind to increase fineness

ADDING METHOD

feeding pre-gel or dry powder directly