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ASAPRENE™ T-439

Technical Datasheet | Supplied by Asahi Kasei

ASAPRENE™ T-439 by Asahi Kasei is styrene butadiene styrene (SBS) copolymer grade. Exhibits good processability, low viscosity, superior flexibility and tack characteristics. It is processed by compression molding. It is developed for superior characteristics and performance in pressure-sensitive & other adhesives. ASAPRENE™ T-439 is recommended for adhesives for building & construction and hot-melt pressure-sensitive adhesives.

ASAPRENE™ T-439 Properties

Physical Properties

Value & Unit

Test Condition

Test Method

Viscosity

470 mPa-s

(25% Solution)

Asahi Kasei Method

Density

0.94 g/cm³

ISO 1183

Melt Mass-Flow Rate (MFR or MFI = Melt Flow Index or MI = Melt Index)

25 g/10 min

(At 200°C, 5 kg)

ISO 1133

Compression Properties

Value & Unit

Test Condition

Test Method

Test Measurement Temperature

23 °C

Roll Kneading Temperature

120 - 130 °C

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ASAPRENE™ T-439

ASAPRENE™ T-439 Properties

Physical Properties

ASAPRENE™ T-439 Processing Guidelines

Compression Properties