Due to the uneven dispersion of the powder of the whitening agent itself, many manufacturers have begun to use whitening masterbatch. Now we share with you the formula of a brightener masterbatch for reference.
The formula of the brightener masterbatch:
38.5% polyethylene,
15% calcium carbonate,
5% fluorescent whitening aid,
40% titanium dioxide,
1% slip agent,
0.5% ultramarine powder.
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