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Home > Products > Tufprene™ & Asaprene™ – The styrenic thermoplastic elastomers > Tables of Tufprene™ and Asaprene™ Grades and Properties >Tufprene™126
December 12, 2001
Product Information	Tufprene
Tufprene™ 126
SBS: Styrenic thermoplastic elastomer
Essentials

Styrene/butadiene block copolymer with enhanced styrenic resins compatibility for heightened impact strength. Superior anti-blocking property to Tufprene™ 126. Flexible container delivery available. It is supplied in pellet form.

Contact us for information on handling and use.


Applications
Styrenic resins modifier, imparting increased impact strength, mainly for food containers.
Food containers, Foamed nets, Frozen-food cups.

Basic characteristics of Tufprene™ 126
Property Test method Value
Specific gravity ASTM D 297 0.95
MFR, E (g/10 min)
190°C, 2.16 kg load
ASTM D 1238 4.5
MFR, G (g/10 min)
200°C, 5 kg load
20
Hardness, Type A JIS K 6253 91
Tensile strength (MPa) JIS K 6251 25
Elongation (%) 790
300% tensile stress (MPa) 4.5
Viscosity as 25% solution in toluene (mPa s) Asahi Kasei method 440
Styrene/butadiene (wt%) Asahi Kasei method 40/60
Product form Pellet

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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