JIANGXI  KETE  FINE  POWDER   HANDLING  CO., LTD.
Product detail

Active wollastonite powder

 

Brief

Active wollastonite powder : Active wollastonite powder: using high quality fatty acid, coupling agent Active agent for surface treatment; ultrafine wollastonite powder particle surfaces were coated with a valid activation process, the activation rate of the product can be up to 96%. Its characteristics are whiteness, lipophilic, easy dispersed in an organic polymer, and effectively improve the processing performance and reduce its production costs.

Product specification model, index items

Technical index

Model

SiO2 % ≤

47-49

CaO % ≥

46-48

Degree of Activation%

96

Whiteness ≥

88±1

PH value (10% suspension)

8

Mohs hardness

5.0

Melting point ℃

1540

Bulk density g/cm3

2.75

Active agent, etc %

2.0

Appearance

Gray white powder

Note: according to customer demand, we can produce Active Heavy calcium carbonate with different Whiteness, purity or fineness

Uses

Widely used in the inorganic reinforcing filler of rubber, plastic, nylon, wire and cable, PVC soft and hard pipe, plastic heterosexual, soles, engineering plastics, plastic products and other polymer-based composite materials .  the polycarbonate filled with wollastonite by coupling agent treatment, the elastic modulus is three times of unfilled , the intensity increased by about 15%, filled into polyethylene, which can improve the strength and electrical insulation properties, is filled into a polypropylene, compared with unmodified wollastonite filler, in the same conditions of filler content, significantly improved the tensile strength, flexural strength and the like.

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