TerraFlex® K5070A NAT
Unfilled TPE
Technical Datasheet
Product Description
70 Shore A TPE (Styrenic Block Copolymer based) for injection molding and extrusion applications, with excellent resiliency/elasticity, along with very good weatherability.
General
Properties
Overmold and coextrusion adhesion to Polypropylene and TPO
Key Applications
Density/Specific Gravity
0.91 g/cm3
ISO 1183, ASTM D1238
Melt Mass-Flow Rate, 230°C/2.16 kg load
Shore A, 10 Sec, Injection Molded
Tensile Strength at Break
1856 psi
12.8 MPa
ISO 37, ASTM D412
Elongation at Break
675 %
675 %
ISO 37, ASTM D412
100% Modulus
392 psi
2.7 MPa
ISO 37, ASTM D412
Tear Strength
225 lbs/in
39.4 kN/m
ISO 34-1, ASTM D624
Dynamic Service Temperature
Environmental Resistance
Injection Molding
| Melt Temperature: |
200-220 °C |
| Screw Speed: |
50 to 200 rpm |
| Shrinkage: |
0.012 – 0.018 in/int |
| Back Pressure: |
50-100 psi (0.345-0.689 MPa) |
| Screw L/D Ratio: |
16:1.0 to 20:1.0 |
| Screw Compression Ratio: |
2.0:1.0 to 2.5:1.0 |
|
|
|
| C: |
170-200
|
180-220
|
180-210
|
190-220
|
15-50
|
| F: |
338-392
|
356-428
|
356-410
|
374-428
|
59-122
|
Extrusion
| Melt Temperature: |
190-200 °C |
| Die Temperature: |
190-210 °C (347-428 °F) |
| Back Pressure: |
5.0-20 MPa (725-2900 psi) |
| Screw Speed: |
100 to 200 rpm |
|
|
|
| C: |
160-180
|
170-190
|
180-200
|
190-210
|
190-210
|
| F: |
320-356
|
338-374
|
356-392
|
374-410
|
374-410
|
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It is recommended to pre-dry this material at 60 – 70 °C (140 – 160 °F) for 2-3 hours for
optimum processing and aesthetics.
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For more information please contact us via customerservice@compounding.us
The above test results are obtained from laboratory injection molded ISO samples and cannot be used directly to determine end-use or design specification. The customer should determine the suitability to his/her application through their internal testing procedure. Datasheet values represent a statistical average or product properties and they may change with incr. data points.
Alterra Headquarters:
473 US-46, Clifton, NJ 07011
+1(973) 340-4000
customerservice@compounding.us
alterraholdings.com
Indiana Plant:
2213 Kilion Ave
Seymour, IN 47274
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