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It is for various polymers, in particular for EVA, PA, PET, PBT, PLA, TPEE &, TPU to be protected from premature wear due to hydrolysis. It also acts as a processing auxiliary to prevent a reduction in molecular weight, and may also be used to bring about a deliberate increase in molecular weight.
It acts as an acid and water scavenger and prevents autocatalytic degradation.
It is further suitable for stabilization of lubricating greases and oils against water and acid attack.
The optimum quantity in the production of monofilaments or industrial injection mouldings made of PET or polyamide is generally in the range of 0.5 to 1.5% depending on the desired degree of hydrolytic stability and the acid value of the original polymer.
The recommended quantity for PU systems based on polyester polyols for high-grade TPU products, PU casting elastomers, PU rubber and PU adhesives is between 0.7 to 1.5%.
For certain applications, e.g. in EVA, it is used between 3.0 to 5.0%.
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