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Solvent Based Organobentonite Thickening Rheological Additive Series Products skills requirement
Technical requirements of BT series organobentonite thickening rheological additive
|
Value
Item
|
BT-818 | BT-828 | BT-838 | BT-838 A |
BT-838 B |
BT-838 C |
BT-838 D |
BT-838 F |
BT-827 | BT-838S | BT-800 | BT-840 | BT-857 | BT-860 | BT-880 |
| Volatile at 105°C % |
≤3.0 | ≤3.5 | ≤3.5 | ≤3.5 | ≤3.5 | ≤3.5 | ≤3.5 | ≤3.5 | ≤3.5 | ≤3.5 | ≤3.5 | ≤3.5 | ≤3.5 | ≤3.5 | ≤3.5 |
| Fineness (76mm) % |
≥98 | ≥98 | ≥98 | ≥98 | ≥98 | ≥98 | ≥98 | ≥98 | ≥98 | ≥98 | ≥98 | ≥98 | ≥98 | ≥98 | ≥98 |
| Viscosity (7% xylene solution, 25°C) , pa.s |
≥1.5 | ≥2.0 | ≥2.5 | ≥2.5 | ≥2.5 | ≥3.0 | ≥4.0 | ≥3.5 | ≥2.0 | ≥4.0 | ≥4.0 | ≥4.0 | |||
| Viscosity (7% 200 # solution, 25°C) pa.s |
≥2.5 | ≥2.5 | ≥3.0 | ≥4.0 | ≥2.0 | ≥4.0 | ≥4.0 | ≥3.0 | |||||||
| Loss on ignition % |
≥32 | ≥28 | ≥32 | ≥30 | ≥31 | ≥32 | ≥32 | ≥34 | ≥35 | ≥38 | ≥35 | ≥38 | ≥36 | ≥39 | ≥40 |
| Colloid content |
≥95 | ||||||||||||||
| Heavy metal (pb). Mg/kg |
≤10 | ||||||||||||||
| As mg/kg | ≤5 | ||||||||||||||
The Sketch of BT Rheological Additive Selection (according to polarity of solvent)
| Low and medium polarity | Medium and high polarity | ||
| Aliphatics | Aromatics | Ester, ketone, ether | Alcohol |
| Mineral oil, aliphatic Compound, ethane, heptane, odorless white spirit | Toluene, xylene , styrene solvent, naphtha | Methylbutanone, ethylmethylketon, butyl acetate, ethyl acetate | Methanol, ethanol, propanol, butanol, ethylene glycol |
| BT-838A、BT-838C、BT-838S、BT-860 | |||
| BT-800 BT-838F BT-838D | |||
| BT-840 BT-857 | |||
| BT-827 BT-857 | |||
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