RS Z, A & B Section Belts Special compounded stiff-yet-flex-crack resistant base High modulus low stretch (hmls) polyester cords and length stabilization process resulting in low stretch and maximum life Polychloroprene impregnated poly-cotton jacket Precision built belts requiring no matching or coding Anti-static, heat, oil and abrasion resistant Standards: API 1B, RMA IP 20, DIN 2215, ISO 4184 & BS3790 Approvals: CE and UL