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Selection of dispersant in color masterbatch

Selection of dispersant in color masterbatch


Do color masterbatch can not do without dispersant, dispersant for color masterbatch is very important, all kinds of dispersant performance is very different, in general, according to the different requirements of the product, choose the right dispersant, will achieve an ideal effect. 

There are many kinds of dispersants, among which polyethylene wax is conventional. Because polyethylene wax for the compatibility of polyolefin is better, and take into account the function of internal and external lubrication, precipitation less. The wetting and coating of pigments is easy, so the selection of polyethylene wax must be strictly controlled.

The molecular weight of polyethylene wax is generally controlled between 2000-3000, and the melting point is generally controlled between 0.91-0.95. The polyethylene wax should be environmentally friendly, non-corrosive, free of heavy metals and impurities, and its color should be white or yellowish, it’s translucent when it melts.

Qingdao Sainuo pe wax SN218A for color masterbatch has high molecular weight and high ciscosity, No precipitation, both lubrication and dispersion balance; Dispersion performance is equivalent to BASF A wax , which can reduce the cost easily; It can solve the difficult dispersion problem of high concentration pigment and filler system. It's widely used in high concentration difficult to disperse masterbatch, High transparent filling masterbatch, Non-woven masterbatch, Drawing masterbatch, etc.

Secondly, EBS, oleic acid amide, erucic acid amide, stearic acid, Zinc stearate and other metal salt products have their own merits. They can be selected according to their main functions, but can not be added in large quantities, because these auxiliaries to pay special attention to they mostly belong to the category of external lubricants, for some products must be used with caution, especially for the surface tension requirements of high products.

Qingdao Sainuo Chemical Co.,Ltd. We are manufacturer for PE wax, PP wax, OPE wax, EVA wax, PEMA, EBS, Zinc/Calcium Stearate…. Our products have passed the REACH, ROHS, PAHS, FDA testing.

Sainuo rest assured wax, welcome your inquiry!



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