The JN-1430 special silica sol for precision casting back layer produced by Linyi Kehan Silicon Products Co., Ltd. is mainly used to make the back layer shell during precision casting.
The main technical parameters:
Silica content: 29%-31%
Sodium ion: ≤0.5%
Density (25℃): 1.19-1.21
Average particle size: 10-15 nm
Shelf life: 12 months
has the following characteristics:
1. It has a large specific surface area and good adsorption performance.
2. Good adhesion, high temperature resistance, good hydrophilicity and oil repellency.