Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Kuraray SEPTON™ 8004 Impact Modifier

SEPTON™ 8004 is a SEBS styrenic thermoplastic elastomer of Kuraray’s 8000 series with 30% styrene content. It features appropriate tensile strength, good processability, excellent heat/weather/chemical resistance and electrical insulation, medium solution viscosity, good oil absorption and retention, ideal for adhesives, sealants, polymer modification, personal care products and general - purpose TPE compounds.

Features Of Kuraray SEPTON™ 8004 Impact Modifier

  1. 30% styrene content with SEBS structure, balanced mechanical properties and processability for various processing methods.

  2. Medium solution viscosity, good oil absorption/retention, meeting the needs of medium - viscosity adhesive and sealant formulations.

  3. Excellent heat, weather and chemical resistance, no plasticizer, environmentally friendly and suitable for long - term use in outdoor and harsh environments.

  4. Good compatibility with polyolefin and other polymers, capable of improving the toughness and flexibility of modified materials.

  5. Superior electrical insulation, applicable to the insulation layer of wires and cables and electronic component potting.

Typical Applications Of Kuraray SEPTON™ 8004 Impact Modifier

  1. Adhesives and sealants: Used in pressure - sensitive adhesives, hot - melt adhesives and construction sealants with good bonding and sealing effects.

  2. Polymer modification: Acts as a toughening modifier for PP/PE and other resins to improve impact resistance and flexibility.

  3. Personal care products: Applied in the preparation of hair styling products, skin care products and other formulations due to low toxicity and good compatibility.

  4. General - purpose TPE compounds: Suitable for the production of soft touch parts, gaskets and other daily and industrial parts.

  5. Electrical and electronic products: Used for the insulation protection of wires and cables and the potting of electronic components relying on good electrical insulation and heat resistance.

Specifications Of Kuraray SEPTON™ 8004 Impact Modifier

Physical Properties
Styrene Content30 wt%
Density0.908 g/cm³
Hardness (Type A)- (Shore A)
Melt Flow Properties
Melt Flow Rate (230°C, 2.16 kg)No flow g/10min
Melt Flow Rate (200°C, 10.0 kg)0.1 g/10min
Solution Viscosity (Toluene, 30°C)
Solution Viscosity (5 wt%)90 mPa·s
Solution Viscosity (10 wt%)580 mPa·s
Physical Form
Physical FormPowder




















































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