Application:
Mainly used in pharmaceuticals,foodstuffs,feed additive pesticide,dry powder fire extinguishing agent and paintings,coatings,etc.also applied in High-transparent rubber products and shoes soles;used in meridian tyre,rubber belt,solid tyre,bicycle tyre and multicolor tyre,and used in silicate rubber products
| Item | YT-1 | YT-2 | YT-3 | YT-4 | YT-5 |
| SiO2 (dry)% Min | 90 | 90 | 90 | 90 | 90 |
| Evaporationloss% max | 4.0 | 5.0 | 6.0 | 6.0 | 1.5 |
| Ignition loss(dry) max | 7.0 | 7.0 | 7.0 | 7.0 | 5.0 |
| PH | 5.5-7.5 | 7.0-8.0 | 6.5-7.5 | 6.5-8.0 | 7.0-7.5 |
| Specific area Min | 120 | 150 | 200 | 120 | 210 |
| Total Cu Max | 30 | 30 | 30 | 30 | 30 |
| Total Fe Max | 1000 | 1000 | 1000 | 1000 | 1000 |
| Total Mn Max | 50 | 50 | 50 | 50 | 50 |
| DBP abosorption | 2.0-2.5 | 2.5-3.0 | 3.3-3.5 | 2.0-3.0 | 3.5-4.0 |
| Mpa Modulus 500% min | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 |
| Mpa Tensile Strength Min | 17.0 | 17.0 | 17.0 | 17.0 | 17.0 |
| Elongation @ Break Min | 675 | 675 | 675 | 675 | 675 |