J LK is proud to offer a line of colloidal silica to its North American customers.
Our customized manufacturing process produces a controlled particle size distribution which is difficult to find in the market.
Our most popular grades are listed below, however we regularly partner with our customers to match their specific requirement. Please contact us for more details.
| PRODUCT | SOLIDS | PARTICLE SIZE | pH | SURFACE AREA (m2/gm) | Density | % Na2O | APPLICATIONS |
|---|---|---|---|---|---|---|---|
| A15 | 15% | 5 | 10.4 | 750 | 1.10 | 0.80% | Scratch resistance, paper fines retention, cement densification, anionic coagulant |
| A30 | 30% | 8 | 10.2 | 375 | 1.20 | 0.65% | Investment casting binder, textile anti-soilant, anti-blocking agent for films |
| A35 | 30% | 12 | 10.2 | 230 | 1.20 | 0.40% | Investment casting binder, coating additive, adhesion modifier |
| A40 | 35% | 16 | 9.7 | 190 | 1.30 | 0.40% | Binder for ceramic fiber shapes, rigidizing agent, attrition resistance in catalysts |
| A45 | 40% | 20 | 9.3 | 130 | 1.30 | 0.40% | Binder for ceramic fiber shapes, rigidizing agent, reinforcement |
| A50 | 50% | 20 | 9.2 | 130 | 1.40 | 0.35% | Rigidizing agent for refractory and ceramic materials, paper anti-slip, density gradient |
