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Amatrium Materials AI
Dynasol SolpreneĀ® 4302 Thermoplastic Rubber (SBS)
Categories: Polymer; Thermoplastic; Elastomer, TPE; Styrenic TPE

Material Notes: Solprene 4302 is a linear block copolymer of styrene and butadiene, having 31% styrene content, most of it forming a polystyrene block, which gives the polymer a thermoplastic behavior. It has a non-staining antioxidant system; FDA approved, and is essentially gel free with a very clear color. It is presented as free flowing porous crumb making easy its handling and dissolution.

Uses: S-4302 is used as an ingredient for adhesives formulation, as an impact modifier for plastics and as an elastomeric modifier for asphalt mixtures used in paving and roofing.

Polymer modification

Information provided by Dynasol.

Available Properties
  • Volatiles, ASTM D5668
  • Viscosity, ASTM D2994, 25% Toluene solution
  • Viscosity Measure, NM-300-11, 5.23% Toluene solution
  • Melt Flow, ASTM D1238
  • Styrene Content, NM 202-07, Block
  • Styrene Content, ASTM D5775, on polymer
  • Hardness, Shore A, DIN 53505
  • Tensile Strength, ASTM D412
  • Elongation at Break, ASTM D412
  • Glass Transition Temp, Tg, ASTM E-1356
  • FDA
Property Data

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Manufacturer Notes:

Category Notes
Thermoplastic Elastomer

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Lab Instruments
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