Solprene® 4318

Category: SBS , Styrene Butadiene Styrene Block Copolymer
Manufacturer: Dynasol Elastomers
Trademark: Solprene®
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: pKzvw4_Solprene-4318.pdf
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Solprene 4318 is a linear block copolymer of styrene and butadiene, having 32% of 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 for use in food contact applications and is essentially gel free with a very clear color.

S-4318 is used as compounding ingredient for adhesives. The product is an excellent modifier for asphalt applications including self-adhesive roofing membrane and sealant. Also is used in thermoplastic injected shoe soles formulations.

It is presented as free flowing porous crumb making easy its handling and dissolution.
General Information
Additive
  • Antioxidant
Features
  • Antioxidant
  • Block Copolymer
  • Food Contact Acceptable
  • High Clarity
  • Linear Polymer Structure
  • Low Gel
  • Porous
Uses
  • Adhesives
  • Asphalt Modification
  • Footwear
Agency Ratings
  • FDA Food Contact, Unspecified Rating
Appearance
  • Clear/Transparent
Forms
  • Crumb
PhysicalNominal ValueUnitTest Method
Melt Mass-Flow Rate (MFR) (200°C/5.0 kg)8.0g/10 minASTM D1238
Block Styrene 1> 31%
Solution Viscosity - 5.23% in toluene 27.0cSt
Styrene Content 32%ASTM D5775
Volatile Matter < 0.75%ASTM D5668
HardnessNominal ValueUnitTest Method
Durometer Hardness (Shore A)69ASTM D2240
ElastomersNominal ValueUnitTest Method
Tensile Stress (300% Strain)1.20MPaASTM D412
Tensile Strength 3.70MPaASTM D412
Tensile Elongation (Break)> 1000%ASTM D412
Note Message
1 .NM 202-07
2 .NM 300-11
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