... )Materials:NBR,CR,Vition,Silicone etc 2)Color:black, white,red, green etc 3)ozone resistant Specifications:1) material:NBR2) resistance ... -40°C to 120°C3) Working pressure : 0.3-0.8MPa4) Standard color: black, red, blue, green, orange, yellow,other colors can ... be customized5) ID dimension tolerance: ±0.2 - ±0.5mm6) Wall thickness: 3.5mm7 ...