Product Description
Washed kaolin
One. Performance:
This product is mainly composed of igneous rock, sedimentary rock such as rock weathering by the natural decomposition made. Is light gray to pale yellow powder, particle hexagonal lamellae. Room temperature, slightly soluble in hydrochloric acid or acetic acid.
II. Physical analysis:
1. Light yellow flaky powder;
2. Whiteness: 89 ± 0.5
3. The surface of the treated fineness: 3.8u ± 0.1 (front surface fineness 4.5)
4. Moisture: 0.6 or less.
5. PH value :6.7-7.6
6. Oil absorption :45-60
7. LOI :13-14
8. Refractive index: 1.58
9. True specific gravity: 2.6
III. Application: Suitable for high-grade paint, coating, printing ink, rubber, plastic, wire and cable.
IV. Features: good crystallinity, high purity, fine grain size, moderate oil absorption, high cover ratio, good dispersion, etc., easily dispersed in the rubber compound, the processing is easy, smooth surface rubber and carbon black when conducive to disperse carbon black in rubber compound
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