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Home > Products > Tufprene™ & Asaprene™ – The styrenic thermoplastic elastomers > Tables of Tufprene™ and Asaprene™ Grades and Properties >Asaprene™ T-432
Product Information	Asaprene
December 12, 2001
Asaprene™ T-432
SBS: Styrenic thermoplastic elastomer
Essentials

Lower solution viscosity than Asaprene™ T-430, designed for pressure-sensitive and other adhesives modification. Higher level of processability than Asaprene™ T-430 in asphalt modification. It is supplied in crumb form.

Contact us for information on handling and use.


Applications
Adhesives and sealants component, meeting requirements for high adhesiveness and low viscosity. Asphalt modifier, meeting requirements for high softening point and processability.

Basic characteristics of Asaprene™ T-432
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 0
MFR, G (g/10 min)
200°C, 5 kg load
<1
Hardness, Type A JIS K 6253 75
Tensile strength (MPa) JIS K 6251 29
Elongation (%) 750
300% tensile stress (MPa) 2.0
Viscosity as 25% solution in toluene (mPa s) Asahi Kasei method 3,100
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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