TPE

TerraFlex® K5185AEX NAT BK
TPE
Technical Datasheet
Product Description

85 Shore A TPE for extrusion and thermoforming applications, offering soft/tactile feel, adhesion (overmolding or coextrusion) to Polypropylene, good weatherability and good sealing characteristics.

General
Availability
North America
Europe
Latin America
Asia/China
Africa
Appearance
Black/Natural color
Processing Method
Injection Molding
Extrusion
OverMolding
Coextrusion
Properties
Recyclability
Recyclability
Rubberlike elasticity
Rubberlike elasticity
Adhesion to Polypropylene
Adhesion to Polypropylene
Easy Processing
Easy Processing
Good UV Resistance
Good UV Resistance
Good Ozone
Good Ozone
Key Applications
Consumer Applications
Consumer Applications
Automotive
Automotive
Appliance Components
Appliance Components
Sporting Goods
Sporting Goods
Flexible Grips
Flexible Grips
Physical
Value (SI)
Test Method
Density/Specific Gravity
0.99 g/cm3
ISO 1183, ASTM D1238
Melt Mass-Flow Rate, 230°C/2.16 kg load
1.25 g/10min
ASTM D1238
hardness
Value (SI)
Test Method
Durometer Hardness
Shore A, 10 Sec, Injection Molded
87
ISO 868, ASTM D2240
Shore A, 10 Sec, Exruded
85
ISO 868, ASTM D2240
Elastomers
Value (English)
Value (SI)
Test Method
Tensile Strength at Break
1856 psi
12.8 MPa
ISO 37, ASTM D412
Elongation at Break
695 %
695 %
ISO 37, ASTM D412
100% Modulus
457 psi
3.15 MPa
ISO 37, ASTM D412
Tear Strength
260 lbs/in
45.5 kN/m
ISO 34-1, ASTM D624
Compression Set
Value (English)
Value (SI)
Test Method
72h/23 °C (73 °F)
24 %
24 %
ISO 815, D395B
22h/70 °C (158 °F)
55 %
55 %
ISO 815, D395B
Service Temperature
Value (SI)
Brittleness Point
-55 °C
Dynamic Service Temperature
105 °C
Environmental Resistance
Ozone
Alcohol
UV
Weak Acid
Water
Detergent

Processing Guide


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
  • It is recommended to pre-dry this material at 60 – 70 °C (140 – 160 °F) for 2-3 hours for optimum processing and aesthetics.
  • 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