The Universal Selection Source: Adhesives Ingredients

by SpecialChem

Solprene® 4318

Technical DataSheet | Supplied by Dynasol

Solprene® 4318 by Dynasol is a linear diblock/triblock copolymer of styrene and butadiene. Acts as a very good modifier for asphalt applications including self adhesive membrane and sealants. It develops a very good tack in hot melt PSA adhesive sealant formulations. It contains styrene content of 32 %, most of it forming a polystyrene block, which gives the polymer a thermoplastic behavior. It is a gel-free polymer with non-staining antioxidant system. Exhibits high purity, medium-high viscosity, easy handling and dissolution. Solprene® 4318 is suitable for thermoplastic injected shoe soles formulations.

Solprene® 4318 Product details

Product Type
Chemical Composition
Physical Form
Pellets, Powder
Product Status
Applications/ Recommended for
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Food contact approval

Solprene® 4318 Properties


Value & Unit
Test Condition
Test Method
Toluene solution viscosity @ 5.23%
x cSt
Styrene content
xx %
Rubber content
xx %
Melt Index, 190°C , 5 Kg
xxx g/10 min
Specific gravity
Hardness, °Shore A
Tensile strength
xxx MPa
300% Modulus
xxx MPa
Volatile matter
xxxxxx %
Block styrene
xxxx %
xxxxxx %
Last edited May 4, 2017
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