Микронизированная слюда для нанесения

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Характеристики


MICRONISED MICA FOR RUBBER APPLICATION

 

 

It is used as an inert filler in rubber products. The use of mica helps to increase the hardness, tensile strength and tear resistance of rubber products. It improves the resilence and appearance of rubber articles. When used as a lubricant, mica particles form a continuous uniform film which effectively prevents undesirable adhesion of the rubber compounds to itself or the moulding surface. As a rubber compounding agent mica prevents massing and reduces gas penetration.

It is used as a base in the moulding and tumbling of latex, synthetic foam and hose-pipes. The use of mica in the said applications is to eliminate the tendency to shrink. At the same time it helps to improve resistance in the sponge rubber goods. The use of mica permits expansion of the rubber in the mould during blowing without sticking.

It is further used as a high temperature lubricant and flame-proof insulation for the manufacture and coating of PVC flexible insulating wires and cables. It is suitably used for both natural and specially coloured rubber articles, such as, bathing caps, costumes, toys, balloons, etc. The mica particles provide an attractive glossy-finish, as well as, a bright and sparkling appearance to rubber articles.

 

Chemical index

SiO2

Al2O3

K2O

Na2O

MgO

CaO

TiO2

Fe2O3

PH

44.5~46.5%

32~34%

8.5~9.8%

0.6~0.7%

0.53~0.81%

0.4~0.6%

0.8~0.9%

3.8~4.5%

7.8

 Physical index

Heat resistance

color

Mohs hardness

elastic coefficient

transparency

Melting point

disruptive strength

purity

650°C

silver white

2.5

(1475.9~2092.7)×106Pa

71.7~87.5%

1250°C

146.5KV/mm

>99%

 

 325

41421

 

 


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