Silica Gel
Silica gel, also known as Silicic Acid Gel, is a solid substance available in nature, in the form of hard and porous granules (with countless tiny hollow cavities in the granules), white, inert and durable. Silica gel is essentially silicon dioxide, with the simple chemical formula SiO2.nH2O (n<2).
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- Description
Description
Application: Silica Gel is mainly used to preserve goods such as food, clothes, shoes, electronic devices, pharmaceuticals, agricultural products, etc. Additionally, it is also used in the cosmetic industry because of its ability to absorb moisture and excess oil on the skin’s surface.
CERTIFICATION OF ANALYSIS
| PRODUCT NAME | A TYPE SILICA GEL WHITE 2-4MM | |||
| QUANTITY | 18 TON | |||
| ITEM | SPECIFICATION | TYPICAL VALUE | REMARKS | |
| COLOR | White | – | – | |
| SHAPE | Bead | – | – | |
| PARTICLE SIZE | 2-4mm | – | – | |
| SILICA % | 98% Min | 99.2 | OK | |
| QUALIFIED RATIO OF SIZE % | 96% Min | 99.5 | OK | |
| QUALIFIED RATIO OF SPHERICAL GRANULES % | 92% Min | 92.0 | OK | |
| BULK DENSITY G/L | 750 Min | 755 | OK | |
| MOISTURE LOSS (180°C, 2 HOURS) | 2% Max | 1.34 | OK | |
| SPECIFIC RESISTANCE Ω.cm | 3000 Min | 12000 | OK | |
| PH VALUE | 4-8 | 4.41 | OK | |
| ADSORPTION CAPACITY (25°C) | RH = 20% | 10.5% Min | 12.72 | OK |
| RH = 50% | 28% Min | 29.71 | OK | |
| RH = 90% | 34% Min | 39.02 | OK | |
| DATE 2023-7-20 | ||||
