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Kraton™ DX421 J

1 of 262 products in this brand
Kraton DX421 J is a clear, linear block copolymer based on styrene and isoprene with bound styrene of 16% mass. It is supplied from Japan in the physical form(s) below. Kraton DX421 JSP supplied as dusted, dense pellet. Kraton DX421 J is used in formulating adhesives, sealants and coatings. It is also used as a modifier of bitumen and polymers and in formulating compounds.

Polymer Name: Styrene Isoprene Styrene (SIS)

Technical Data SheetSafety Data Sheet

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Identification & Functionality

Polymer Name

Styrene Isoprene Styrene (SIS)

CAS No.
25038-32-8
Technologies

Elastomers

Product Families

Elastomers — Thermoplastic Elastomers

Styrenic Thermoplastic Elastomers (TPE-S)

Applications & Uses

Markets

Consumer Goods

Applications

Consumer Goods — Sports & Recreation

Plastics & Elastomers End Uses

Food Packaging,

Toys

Properties

Sales Specifications
ValueUnitsTest Method / Conditions
Volatile Mattermax. 1.00%mKM 04
Melt Flow (190°C/2160g)2.0 to 4.0g/10min.ISO 1133
Ash Contentmax. 1.0%mISO 247
Typical Properties
ValueUnitsTest Method / Conditions
Diblock Content55.0%n/a
Modulus 300%0.5MPaISO 37
Specific Gravity0.92—ISO 2781
Tensile Strength9.0MpaISO 37
Elongation at Break1300.0%ISO 37
Hardness (30 sec)32.0Shore AISO 7619

Packaging & Availability

Packaging

Kraton Polymers are available in a number of different package types. For information specific to this grade, please contact your local Kraton Polymers representative. KRATONTM and the Kraton logo are either trademarks or registered trademarks of Kraton Corporation, or its subsidiaries or affiliates, in one or more, but not all countries.