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Qingdao Hexas Chemical Co., Ltd.
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Thermoplastic Elastomer SIS HEXAS EL-9220

short description:

General Properties and Applications

EL9220 is a clear linear of branched co-polymer and liner triblock copolymer based on styrene and isoprene, with a polystyrene content of 25%. EL9220 is used as an ingredient in formulating adhesives, sealants and coatings. It also could be used as a modifier of bitumen and plastic.


Product Detail

Product Introduction

Thermoplastic rubber granules honey Coloured. thermoplastic rubbers, are a class of copolymers or a physical mix of polymers (usually a plastic and a rubber) that consist of materials with both thermoplastic and elastomeric properties. While most elastomers are thermosets, thermoplastics are in contrast relatively easy to use in manufacturing, for example, by injection molding. Thermoplastic elastomers show advantages typical of both rubbery materials and plastic materials. The benefit of using thermoplastic elastomers is the ability to stretch to moderate elongations and return to its near original shape creating a longer life and better physical range than other materials.[1] The principal difference between thermoset elastomers and thermoplastic elastomers is the type of cross-linking bond in their structures. In fact, crosslinking is a critical structural factor which imparts high elastic properties.

Application

Pressure sensitive adhesives, Sealants, Road marking paint, Bitumen modification, Waterproof membrane adhesive,Hygiene adhesive.

Specifications

Test Items Unit Sales Specification range
Polystyrene content wt% 23 to 27
Di-block Content Di-block Content 23 to 27
Melt Flow rate g/10min 8.5 to 13.5
Tensile Strength Mpa ≥5.0
Elongation at Break % ≥750
Solution Vicosity mPa.s ≤1200
Volatile Matter Wt% ≤0.7
Ash Wt% ≤0.7

Typical Value

Test Items Unit Sales Specification range
Polystyrene content wt% 24
Di-block Content Di-block Content 26.82
Melt Flow rate g/10min 10
Tensile Strength Mpa 10
Elongation at Break % 1000
Solution Vicosity mPa.s 465
Volatile Matter Wt% 0.5
Ash Wt% 0.2
Mn(SIS) - 84000
Mn(SI) - 38000

Regulatory/Classifications

CAS No. 25038-32-8

Package And Supply

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Storage

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Brand Recommendation

Label

Label

EL9126, EL9270, EL9270D, EL9470, EL9220, EL9220D, EL9370


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