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Home > Products > Tufprene™ & Asaprene™ – The styrenic thermoplastic elastomers > Tables of Tufprene™ and Asaprene™ Grades and Properties >Asaprene™ T-437
December 12, 2001
Product Information	Asaprene
Asaprene™ T-437
SBS: Styrenic thermoplastic elastomer
Essentials

Specifically developed for superior characteristics and performance in asphalt blends. It is supplied in crumb form.

Contact us for information on handling and use.


Applications
Asphalt modifier, for heightened softening point. Good solubility in asphalt, for use in road paving.
Heavy-duty or high-drainage road paving

Basic characteristics of Asaprene™ T-437
Property Test method Value
Specific gravity ASTM D 297 0.94
MFR, E (g/10 min)
190°C, 2.16 kg load
ASTM D 1238 -
MFR, G (g/10 min)
200°C, 5 kg load
2
Hardness, Type A JIS K 6253 75
Tensile strength (MPa) JIS K 6251 30
Elongation (%) 890
300% tensile stress (MPa) 2.3
Viscosity as 25% solution in toluene (mPa s) Asahi Kasei method -
Styrene/butadiene (wt%) Asahi Kasei method 30/70
Product form Crumb

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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