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KEBAFLEX H / FE 190705

TPE-S, Shore A75, modified for good adhesion to PBT and PBT blends, among others.



TPE-S - KEBAFLEX / S

Details

Under the trade name KEBAFLEX / S we market a range of thermoplastic elastomer compounds based on SEBS/PP. KEBAFLEX / S is available in various Shore hardnesses from below A10 to above D50 and is often used as a substitute for rubber due to its cost-effective processing by injection molding. It is soft and flexible, freely colorable, shows good elastic behavior up to 100°C and offers a pleasant feel. A wide range of modified compounds is available, e.g. adhesion-modified grades for 2K injection molding, printable grades, grades with optimized compression set, etc.



Typical areas of application

  • Sealing elements
  • Seals
  • Spring elements
  • Handles
  • Haptic components


Industry sectors

  • Automotive
  • Electrical and electronics industry
  • Household appliances
  • Industry
  • Furniture industry
  • Sports & Recreation


properties

  • flexible
  • good haptics
  • adhesion modified
  • High weather resistance
  • semi-crystalline
  • weich

Overview of product features

Mechanical properties

Breaking stress in MPa
ISO 527-1
6.2
Elongation at break in %
ISO 527-1
600.0
Shore A hardness
DIN ISO 7619-1
75
Stress at 10% elongation
DIN EN ISO 527-1
1.10
Stress at 50% elongation
DIN EN ISO 527-1
2.40
Tension at 100% elongation
DIN EN ISO 527-1c
3.10
Stress at 300% elongation
DIN EN ISO 527-1
4.40

Rheological properties

Shrinkage in flow direction
ISO 294-4
1.30
Shrinkage transverse to the flow direction
ISO 294-4
1.20

Pre-drying:

Dryer type: dry air dryer
Temperature: 80°C
Drying time: 2 – 4h
Residual moisture: < 0.02%.

Temperatures:

Melt temperature: 190 – 250°C
Tool temperature: 20 – 50°C

General processing instructions:

Due to the pronounced structural viscosity of this material, high injection speeds and short injection times should be aimed for. Fast injection improves adhesion to the hard component. To avoid high internal stresses, the holding pressure should be kept as low as possible.

A melt temperature at the upper limit also improves adhesion.

Very good venting of the cavity is a basic prerequisite for achieving a high injection speed and, consequently, good adhesion and a good surface quality.

Legal notice

The information in this data sheet is based on our current knowledge and experience. Due to the wide range of possible influences during processing and application of our products, they do not exempt the processor from carrying out his own tests and trials. A legally binding assurance of certain properties or suitability for a specific application cannot be derived from our information.

* FE products are development products which are still in the trial phase. Technical data may still change in the course of product and process development. No final decision has yet been made on the commercialization of FE products. We reserve the right to discontinue the manufacture of FE products without giving further reasons.

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