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Model No. : | U002 |
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Product description
PP-R fitting physico-machanical performance of PP-R fitting | ||||||||
Item | Experimental temperature | Experimental time h | Experimental pressure Mpa | Amount of experiment | Requries | |||
Longitudinal shrink ratio | 135±2 | en≤8mm:1 8mmen≤16mm:2 en>16mm:4 | 3 | Ratio of failure10%sample quantity | ||||
Treely supported beam impact test | 0±2 | 10 | No crake, No leaka | |||||
Hydrostatic static pressure experiment | 20 | 1 | 16.0 | 3 | ||||
95 | 22 | 4.2 | ||||||
95 | 165 | 3.8 | ||||||
95 | 1000 | 3.5 | ||||||
Heat stabilization test in hydrostatic condidtion | 110 | 8760 | 1.9 | 1 | ||||
Hot recycle test | Hightest 95, lowest 20 | Times of recycle 5000 | 1 | 1 | ||||
Melt flow ration, MFR(230/2.16kg)g/10min | Change ratio≤30% raw material |
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