Dryflex® A2 660602

Category: SEBS , Styrene Ethylene Butylene Styrene Block Copolymer
Manufacturer: ELASTO
Trademark: Dryflex®
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: bD03iy_Dryflex-A2-660602.pdf
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Dryflex A thermoplastic elastomer (TPE) bondable grades, primarily based on SBS and SEBS, increase freedom of design and open up a vast range of application opportunities.

It used to be a complex and costly affair producing details made of thermoplastics that showed soft-touch qualities or had integrated seals. With Dryflex A TPEs, since the materials are bonded together at the production stage, no separate primer or adhesive is needed. This makes the process faster and more cost-effective than if the two parts were assembled together after each had been produced separately, or bonded mechanically, which often requires some modification to the design.

Primarily a TPE is used as the soft component. Dryflex A bondable grades can be co-extruded or overmoulded with a variety of engineering plastics.

Dryflex A grades are available in black or natural and can easily be coloured. These thermoplastic elastomers form excellent bonds onto PP, PE, PA, ABS, PC, PS, PMMA, ASA, SAN and their blends. Polyamides and ABS may be either reinforced or non-reinforced yet still bond extremely well to Dryflex. It is easy to achieve excellent bonding to PP, even using standard TPE materials, while other thermoplastics require some modification of the TPE material to optimise bonding.
General Information
Features
  • Good UV resistance
  • Adhesiveness
  • Good chemical resistance
  • Good weather resistance
  • Compliance of Food Exposure
Appearance
  • Available colors
  • Natural color
Forms
  • Particle
Processing Method
  • Extrusion
  • Injection molding
PhysicalNominal ValueUnitTest Method
Specific Gravity 1.06g/cm³ASTM D792
Melt Mass-Flow Rate (MFR) (190°C/2.16 kg)8.0g/10 minASTM D1238
HardnessNominal ValueUnitTest Method
Durometer Hardness (Shore A, 4.00 mm)60ASTM D2240
MechanicalNominal ValueUnitTest Method
Tensile Strength ASTM D638
    -- 5.00MPaASTM D638
    100% strain 2.20MPaASTM D638
    300% strain 3.50MPaASTM D638
Tensile Elongation (Break)600%ASTM D638
ElastomersNominal ValueUnitTest Method
Tear Strength 28.0kN/mASTM D624
ThermalNominal ValueUnit
Service Temperature -50 - 125°C
Additional InformationNominal ValueTest Method
Peel Force 1CohesiveASTM D903
The material has good adhesion to PC/ABS, ABS and PC.
InjectionNominal ValueUnit
Rear Temperature 220 - 240°C
Middle Temperature 220 - 240°C
Front Temperature 220 - 240°C
Mold Temperature 60.0°C
ExtrusionNominal ValueUnit
Cylinder Zone 1 Temp. 220 - 240°C
Cylinder Zone 2 Temp. 220 - 240°C
Cylinder Zone 3 Temp. 220 - 240°C
Cylinder Zone 4 Temp. 220 - 240°C
Cylinder Zone 5 Temp. 220 - 240°C
Note Message
1 .Tests conducted on overmoulded test specimens, 2.5mm thick with a 90° peel angle
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