Plastic Opening Agent BK500

Specifications Plastic Opening Agent BK500

No poisonous, no smelly, high transparent powder

 Plastic Opening Agent BK500    
1. Plastic Opening Agent BK500, its main content is SiO2, the arrangement of average particle size is narrow, and surface area is big, high whiteness, no poisonous, no smelly, high transparent powder, they can be the Opening Agent in the polyethylene, polypropylene, PVC, ethylene-propylene copolymer, and polyester.       2. Plastic Opening Agent BK500 machanism: Before turing into the film, it need to add the SiO2 substance. In the concave and protruding layer on the film surface, it can stop the low molecular weight substance effusion and enlace, making it has the anti-blocking effect. It can show thinner and wider effection than the oleic acid alanyl, and more enviroment,more weatherable.                Why do we use the  Plastic Opening Agent BK500 ?        After the polyethylene blow into film, because  the film can be vacuum and close , not easy to separate,  this time you need to add it.      

Item	Data
Water 105°c,2hr %	≤4
Loss on cauterant (950°c,2hr%)	≤5
PH Value(5%Solvent 20°c)	6.0-7.0
Oil absorption value g/100g	280~300
Ratio surface area m2/g	360-420
Average particle size(Malvern,um)	6.0-7.0
Sio2(Dry)%	≥99

 

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