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AEROSIL® fumed silica in polyvinyl chloride, rigid

Thermoplastics - Polyvinyl chloride, rigid

AEROSIL

grade

Concentration in wt%

Effects

Incorporation method

PVC-U (powder)

AEROSIL

R 972

AEROSIL

R 812

AEROXIDE

Alu C

0.2-0.3

Free-flow, anti-caking, anti-static, moisture protection, hydrophobicity

Dry blending, fluid mixer, ribbon blender

PVC-U (calender films)

AEROSIL

200

AEROSIL

TT 600

0.2-0.8

Anti-plate-out, flatting

Dry blending, fluid mixer, ribbon blender

PVC-U (adhesives)

AEROSIL

200

AEROSIL

300

AEROSIL

R 974

2.0-4.0

Rheology control, thixotropy, anti sedimentation, prevent fathing

Dispersing into the solvent (before dissolving the polymer)

PVC-U (blowing agent)

AEROSIL

200

AEROSIL

R 972

AEROSIL

R 812

1.5-3.0

Free-flow, anti-caking, anti-static, moisture protection, hydrophobicity

Dry blending