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Amatrium Materials AI
Dynasol SolpreneĀ® 4321 Thermoplastic Rubber (SBS)
Categories: Polymer; Thermoplastic; Elastomer, TPE; Styrenic TPE

Material Notes: Solprene 4321 is a linear block copolymer of styrene and butadiene, with 32% styrene content, most of it forming polystyrene block, which gives the polymer a thermoplastic behavior. It has a non-staining antioxidant and also available version TNPP-BHT free antioxidant system; FDA approved for use in food contact applications 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: Solprene 4321 is used as compounding ingredient for adhesives. The product is an excellent modifier for asphalt applications including self adhesive roofing membrane and sealants. Also is used in thermoplastic injected shoe soles formulations.

Main Applications:
Roofing
Footwear
Polymer Modification
Adhesives

Information provided by Dynasol.

Vendors:
Available Properties
  • Volatiles, ASTM D5668
  • 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, ASTM D2240
  • Tensile Strength, ASTM D412
  • Elongation at Break, ASTM D412
  • FDA
  
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Manufacturer Notes:
none

Category Notes
Plastic
Thermoplastic Elastomer

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