Bio-Thermoplastic elastomer

United Kingdom
Hexpol TPE

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- story by MaterialDistrict

Dryflex Green is a family of thermoplastic elastomer (TPE) compounds containing raw materials from renewable resources such as plant and vegetable crops. The series consists of various types of bioplastic, with amounts of renewable content to over 90% (ASTM D 6866) with hardnesses from 20 Shore A to 50 Shore D.

Utilising raw materials that are derived from renewable vegetable crops and are responsibly grown can contribute to an improved LCA (Life Cycle Assessment), which measures the environmental impact of all stages a product’s life from cradle to grave. Crops for industrial use can be grown in poor soil which is unsuitable to food crops, avoiding food crop displacement and improving biodiversity.

Dryflex Green TPE compounds have mechanical and physical properties comparable to TPE from fossil based raw materials, such as flexibility & tensile properties, soft-touch feel, suitability for injection moulding & extrusion, adhesion to polymers such as PE, PP, ABS, SAN, PET and PLA, and easily coloured.

While the material is biobased, it is not biodegradable, but it is fully recyclable.

Dryflex Green TPE compounds could open up sustainability options in the consumer, automotive, packaging, medical and construction markets. The material can be processed using conventional thermoplastic fabricating methods, including injection moulding and extrusion.

Material Properties