... : o Material: comply to RoHS, silicone or rubber (NR, SBR, BR, NBR,CR, EPDM, IIR, FKM etc)o Hardness: 8 to ... manufacture with competitive price, high quality and fast deliveryMaterialNR, SBR, BR, NBR,CR, EPDM, IIR, FKM SIR etc, eco-friendly,no ...