... intensity Mpa, ≥1816 3break person who extend°⁄ ο ,≥450400 4it is out of shape to compress for ever70°C×24h°⁄ ο,≤3535 23 ... /M,≥3535 6fragility temperature°C≤-45-40 7the hot air wears out70°C×72hThe hardness changes the A8 drawing the rate ... (low) °⁄ ο≤ 10 Elongation rate variety rate(low) °⁄ ο≤ 20 8the ozone wears out 50 pphm 20 °⁄ ο48hTwo gradesZero grades Waterstop belt(hot)