FIELD: machine building.
SUBSTANCE: cooling agent pipeline includes the following layers: outer layer from moulding compound on the basis of polyamide; inner layer having the thickness at least of 0.3 mm and containing polypropene, 0.02 wt % of heat stabiliser. Polypropene is hetero-phase copolymer on the basis of propene, which contains 0.5 wt % to 20 wt % of ethene.
EFFECT: increasing heat stability and mechanical pipeline strength.
10 cl, 1 tbl
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