- Qingdao O.B.T Manufacture Co., Ltd.
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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 | 2022/9/25 |
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. | |
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O.B.T Manufacture - One-shop serviceOBT Mining as the China No.1 biggest manufacturer for mullite sand which has been supplying to Germany Thyssenkrupp,totally capacity 200000tons and OBT casting subsidiary factory specializing in R&D and manufacturing of precision casting equipment, precision metal products processing and precision casting process. Comprehensive company for technical research and supply for the invesment casting sand and machines. ...
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