Fumed Silica LM-200 in Chemicals
white and colloidal micro-particle with its primary micro-particle from 5-40 nm
Fumed Silica LM-200 in Chemicals
1. Characteristic: It is a white and colloidal micro-particle with its primary micro-particle from 5-40 nm and has obvious properties such as thixotropy, reinforcing, thickening and filling etc. and is insoluble in all kinds of solvents and liquids except hydrofluoric acid and concentrated bases.
2. Specification: Q/SHG19-2008
| Item | Index | ||||||
| LM-100 | LM-130 | LM-150 | LM-200 | LM-250 | LM-300 | LM-380 | |
| Apparent | White solid colloidal micro-particle | ||||||
| Specific surface area m2/g | 100±15 | 130±15 | 150±15 | 200±25 | 250±25 | 300±30 | 380±30 |
| PH value | 3.6~4.3 | ||||||
| Heating loss weight % (m/m) ≤ | 1.5 | 1.0 | 1.0 | 2.0 | 2.0 | 2.0 | 2.5 |
| Burning loss weight % (m/m) ≤ | 1.0 | 1.0 | 1.0 | 2.0 | 2.0 | 2.0 | 2.0 |
| Apparent density g/L | ≤60 | ||||||
3. Uses: It is used widely in silicon rubber, construction sealant, coating, electron and electric, aerospace, medicine and medical material, resin processing, printing ink, pesticide and other industries.
A-150: used widely in silicone acid rubber, sulfurized silicone rubber in ambient temperature (low water content), silicone neutral rubber.
A-200: used widely in sealing ring, sealing gasket, petroleum pipeline, insulator, tablet powdered preparation, artificial viscera, infusion tube, latex nipple and high quality oil ink.
A-300: used widely in resin thickener, thickness agent for synthetic lubricating ester, resin thixotropic agent for electronic component.
A-380: used widely in reinforcing agent for silicone rubber, medical silicone rubber for transparent artificial organs and artificial heart etc.
4. Packing: packed with multi-layer paper plastic compound bag with net weight of 5 kg or 10 kg, or packed by whole plastic seal for users having special demand on water content.
5. Store and transport: placed in vent and dry storehouse and prevented from humid, water, pressure and throwing during transport.
