Rubber hose descriptions: 1). Materials: NBR, also NR, HNBR, ACM, PFM, FLS, CR, SBR, SI, EPDM, IIR, VT etc. 2). Characteristics: Oil proof, aging resistant, heat resistant, wear resistant, chemical resistant, anti-corrosion, etc. 3). Hardness: 30~90 shore A or IRHD as your request. 4). Size and logo: According to your request. 5). Color: Black, transparent, green, red, yellow, grey, purple, pink, etc.