White fine powder, granular surface using stearic acid, surfactant and coupling agent for surface activation treatment. In plastics as modified filler and improve the physical and chemical properties of products, fillers and pigments in paint, rubber as a reinforcing agent, to improve performance, reduce the cost.

Refers to the standard name

Internal control index

high-class products

First class

Calcium carbonate (CaCO3) content,% = (Qian Jiji)

Ninety-six

Ninety-five

PH (10% suspensions)

8 - 10.5

8 - 11

The volatile content is less than or equal to 105 DEG C

Zero point three

Zero point five

Hydrochloric acid insoluble content,% less than

Zero point zero one

Zero point zero two

Iron (Fe) content,% less than

Zero point zero one

Zero point zero two

Manganese (Mn) content,% less than

Zero point zero zero one

Zero point zero zero two

Density, g/cm

2.50~2.60

The average particle size of less than or equal.

One

Three

The whiteness degree is larger than.

Ninety-five

Ninety-four

Activateddegree,% >

Ninety-eight

Ninety-seven

The oil absorption value, less than%

Seventy

Eighty

Composite plastic woven bag 25Kg/ bag.

Ultrafine activated light calcium carbonate, white fine powder, particles on the surface of the stearic acid, surfactant and coupling agent surface activation. As the modified filler in plastic products, improve the