1 Automotive tire treads, carcasses, and camelbacks; beltss, hoses, coatings, dampers, footwear, sponges, bicycle tires, and other fields. 2 As 5% solution in toluene; 25°C; cP = 1.00 x 10-3Pa·s

Please note that all data and values are given as typical results obtained with the indicated test methods for purposes of basic reference in grade selection only, and not as any product specification or warranty of any nature, and are subject to change without notice.

Table of Tufdene™ and Asaprene™ styrene-butadiene rubber (SBR) Grades

Tufdene™ and Asaprene™ styrene-butadiene rubber (SBR) grades for rubber product applications1 Grade Mooney viscosity ML1+4, 100°C Styrene content (%) Oil (PHR) Major features Tufdene™ 1000 45 18 — Superior abrasion, resilience, groove-cracking , andlow-temp. characteristics; processability Tufdene™ 2000R  45 25 — Good, high-level balance of tensile strength, abrasion, resilience, and flowability  Tufdene™ 2100R 78 25 — High green strength; low compression set; high-loading capability Tufdene™ 2003 33 25 — Low mill shrinkage; good flowability and extrusion skin characteristics; good for footwear applications Tufdene™ 1530 37 18 Aromatic 37.5 Superior abrasion, resilience, groove-cracking , andlow-temp. characteristics Tufdene™ 1534 45 17 Aromatic 37.5 Superior abrasion, resilience, groove-cracking , andlow-temp. characteristics Tufdene™ 2330 55 25 Aromatic 37.5 Superior high-level balance of rolling-resistance and wet-skid characteristics; good flexing resistance; medium vinyl content Tufdene™ 2530 40 25 Aromatic 37.5 Superior flowability; good, high-level balance of abrasion resistance, tensile strength, and resilience Tufdene™ 3330 65 31 Aromatic 37.5 Superior high-level balance of rolling resistance, wet skid, and low-temp. characteristics; medium vinyl content Tufdene™ 3335 55 36 Aromatic 37.5 Superior dry- and wet-skid characteristics; good for high-performance tire treads; medium vinyl content Tufdene™ 4350 43 39 Aromatic 50.0 Very superior dry- and wet-skid characteristics; good for high-performance tire treads; medium vinyl content Asaprene™ 1204 56 25 — Superior wet-skid, rolling resistance, and tensile strength characteristics; good for bright-color formulations Asaprene™ 1205 47 25 — Extremely low mill shrinkage; good flowability; good for bright-color formulations and for footwear Asaprene™ 1206 35 25 — Low mill shrinkage; low Mooney viscosity, thus good flowability; good for bright-color formulations Asaprene™ 303 45 46 — Extremely low mill shrinkage; high-hardness formulations capability; good for footwear Asaprene™ 6500 602 65 — High-hardness formulations capability; good roll processability; superior transparency, good for bright-color formulations Tufdene™ and Asaprene™ styrene-butadiene rubber (SBR) for plastic product applications Grade Solution visc. (cP)3 Styrene content (%) Major features Tufdene™ 2000A 48 25 Superior color tone; low gel content; good HIPS surface appearance Asaprene™ 670A 35 40 Superior color tone; low gel content; good for ultra-lustrous HIPS

¹ Automotive tire treads, carcasses, and camelbacks; belts, hoses, coatings, dampers, footwear, sponges, bicycle tires, and other fields.
² ML₅₊₄, 100°C.
3 As 5% solution in toluene; 25°C; cP = 1.00 x 10^-3Pa·s.