Investment casting materials colloidal silica for making moulds

Categories	Colloidal silica
Brand	OBT
Model	OBT-27
Color	colorless or transparent
Appearance	liquid
usage	casting, binder,papper-making,concrete,fireproof industry
Packing	25kg/barrel
FOB port	Qingdao port
Terms of Payment	L/C, D/A, D/P, Western Union, MoneyGram, T/T, Paypal
Update Time	2021-07-27

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Detail Information

Production Introduction and Application

Fast-dry silica sol: for casting shell membrane can quickly dry the shell of a product. With transparent apperance,this kind of product can greatly improve the shell efficiency and shell quality stability.It is more suitable for automatic shell making line On the application; and it can significantly improve the shell membrane drying speed, shorten the construction period and cost savings.

Specification

Technical parameters	OBT-27	OBT-30
SiO2 %	26~28	29~31
Paticles size	10~20	10~20
pH value (25 ℃)	9.0~10.5	8.5~10.5
iscosity (25 ℃,mm2/s)	≤6.5	≤6.5
Custom-Made Product	According to customer requirements, the pH value, viscosity, concentration, stabilizer type and other indicators, customize the special specification products for you.