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Kraton™ G1640 E

1 of 262 products in this brand
Kraton G1640 E is a clear linear triblock copolymer based on styrene and ethylene/butylene (S-E/B-S) with bound styrene of 31.7% mass. It is supplied from Europe as identified in the grade nomenclature below. Kraton G1640 ES - supplied as a "fluffy" crumb dusted with amorphous silica Kraton G1640 E is used as a base material for compound formulations and as a modifier of thermoplastics. The inherent stability of the midblock suggests the use of this grade in applications that must withstand weathering and high processing termperatures. In addition G1640 E offers the advantages of a high molecular weight polymer at lower melt viscosities.

Polymer Name: Styrene Ethylene Butylene Styrene (SEBS)

Processing Methods: Compounding

Technical Data SheetSafety Data Sheet

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Identification & Functionality

Polymer Name

Styrene Ethylene Butylene Styrene (SEBS)

Technologies

Elastomers

Product Families

Elastomers — Thermoplastic Elastomers

Styrenic Thermoplastic Elastomers (TPE-S)

Applications & Uses

Plastics & Elastomers Processing Methods

Compounding

Properties

Sales Specifications
ValueUnitsTest Method / Conditions
Polystyrene Content30.7 to 32.7%mKM 03
Total Extractablesmax. 1.6%mKM 05
Antioxidant Contentmin. 0.03%mKM 08
Volatile Mattermax. 0.5%mKM 04
Ash Undusted Productmin. 0.02%mISO 247
Ash Content (ES)0.70 to 1.10%mISO 247
Typical Properties
ValueUnitsTest Method / Conditions
Specific Gravity0.91g/ccISO 2781
Solution Viscosity1.5Pa.sKM06
Bulk Density0.19kg/dm3ASTM D1895

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.