Polyurethane foam (PU) (open hole type)
2019-12-23 05:40:13
projectunitperformance indexJY-20DJY-25DJY-30DApparent density≥KG M320 025 030 0tensile strength≥kPa100100100elongation&g
project | unit | performance index | ||
JY-20D | JY-25D | JY-30D | ||
Apparent density≥ | KG/M3 | 20.0 | 25.0 | 30.0 |
tensile strength≥ | kPa | 100 | 100 | 100 |
elongation≥ | % | 200 | 180 | 180 |
75%Compression set≤ | % | 5.0 | 4.5 | 4.0 |
Resilience rate≥ | % | 45 | 45 | 45 |
tear strength≥ | N/cm | 3.50 | 2.50 | 2.50 |
Hardness at 25% indentation≥ | N | 85 | 85 | 90 |
Hardness at 65% indentation≥ | N | 130 | 140 | 160 |
65% 25% collapse ratio≥ | - | 1.5 | 1.5 | 1.8 |
Remarks | Refer to gb10802-89 superior products |