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Acronal ®<br />
Luwax ®<br />
Acronal ® 4 F is a butyl acrylate polymer. It resists saponification<br />
and has excellent fastness to light and weathering. Acronal ® 4 F<br />
is used in <strong>powder</strong> <strong>coating</strong>s as a flow agent. The product is very<br />
viscous and cannot be incorporated directly into <strong>powder</strong> <strong>coating</strong>s<br />
as supplied. It is applied in the form of a masterbatch or precipitated<br />
on silicate.<br />
The Luwax ® grades are homopolymeric polyethylene waxes.<br />
They are supplied as <strong>powder</strong>s (A grades) and micro<strong>powder</strong>s<br />
(AF grades). Micronized polyethylene waxes are finely pulverized<br />
with a particle size in the micron range. BASF’s micronized wax<br />
<strong>powder</strong>s have a characteristic spherical shape resulting from<br />
their manufacture. Waxes can be used in <strong>powder</strong> <strong>coating</strong>s as<br />
lubricants, flow agents and release agents.<br />
They improve the scratch resistance, antiblocking properties,<br />
pourability of the <strong>powder</strong> <strong>coating</strong> mixture and flowability of the<br />
<strong>powder</strong> <strong>coating</strong> melt in the extruder. A typical application rate<br />
is 1 to 3 %.<br />
For <strong>powder</strong> <strong>coating</strong>s we recommend the<br />
following grades:<br />
Luwax ® AM 3<br />
Luwax ® AM 6<br />
Luwax ® AH 6<br />
Luwax ® AF 31<br />
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