Test conditions Test piece: Compression-molded sheet, 2-mm thick, #3 JIS dumbbell shape. Roll kneading temp.: 120°C~130°C. Compression molding: Preheating, 160°C 5 min; compression, 80 kg/cm2 160°C 5 min; cooling, 3 min. Test measurements temp.: 23°C.

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.

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Asaprene™ styrenic thermoplastic elastomer Grade No. T-411 T-420 T-430 T-432 T-436 T-437 T-438 T-475 Special characteristics High viscosity High elasticity Standard High regidity High regidity Higher flowability than T-430 Higher flowability than T-420 High strength High flowability Oil-extended Low hardness Property Method Units                 Specific gravity ASTM D 297 - 0.94 0.94 0.94 0.94 0.94 0.94 0.95 0.94 MFR (E) ASTM D 1238 g/10 min 0 1.1 0 0 1.1 - - 0.7 MFR (G) g/10 min <1 6.5 <1 <1 6 2 25 5.5 Hardness, Type A JIS K 6253 - 75 75 75 75 70 75 76 58 Tensile strength JIS K 6251 MPa 20 27 26 29 14 30 5 22 Elongation % 750 900 850 750 1,200 890 1,130 1,100 300% tensile stress MPa 2.3 2.9 2.9 2.0 2.0 2.3 - 1.5 Viscosity as 25% solution in toluene mPa s 20,200 1,200 7,500 3,100 1,000 - 50* 560 Styrene/butadiene ratio wt% 30/70 30/70 30/70 30/70 30/70 30/70 35/65 40/60 Oil content (parts) - - - - - - - 50 Product form Crumb Powder (G)1 Pellet Crumb Powder (G)1 Crumb Crumb Crumb Pellet Crumb Powder (F)1 Typical applications Adhesives2 Asphalt modification Adhesives2 Adhesives2 Asphalt modification Adhesives2 Asphalt modification Adhesives2 Asphalt modification Adhesives2 Footwear Molding compounds

*Viscosity as 15% solution in toluene.
¹ Ground products: G, 20-mesh pass; F, 6-mesh pass.
² Pressure-sensitive and other adhesives .

Test conditions

Test piece: Compression-molded sheet, 2-mm thick, #3 JIS dumbbell shape. Roll kneading temp.: 120°C~130°C. Compression molding: Preheating, 160°C 5 min; compression, 80 kg/cm2 160°C 5 min; cooling, 3 min. Test measurements temp.: 23°C.