SYNONYM: PHENOLFORMALDEHYDE RESIN
FORMULA: (C8H8O2)N
CAS NO.: 9003-35-4
DESCRIPTION: IT IS A KIND OF BROWN TRANSPARENT OR SEMI-TRANSPARENT CRYSTAL SOLID OR POWDER
SPECIFICATIONS:
|
SOFTENING POINT |
95-110¡æ |
|
DISSOCIATE HYDROXYBENZENE |
4.5% MIN, |
|
AGGREGATION SPEED (150¡æ) |
130-180s |
USES: FOR PREPARATION OF VARNISHES AND MOULDING POWDER PREPARED TROUGH POLYCONDENSATION OF PHENOL
WITH WATER SOLUTION OF PHORMALDEHYD BY HEAT UP, BY SURPLUS OF PHENOL IN THE INITIAL MIXTURE AND IF THERE IS A ACIDIC MEDIUM.
PACKING: 30KGS/PLASTIC WOVEN BAG
STORAGE: KEPT IN VENTILATIVE AND DRY PLACE AND AVOID LIGHT.