TPE

TerraFlex ® K5135A-BK
Thermoplastic Elastomer
Technical Datasheet
Product Description

35 Shore A TPE (Styrenic Block Copolymer based) for injection molding and extrusion applications, offering soft and tactile feel, good wet and dry grip, and adhesion (overmolding or coextrusion) to Polypropylene.

 

General
Availability
North America
Europe
Latin America
Asia/China
Africa
Appearance
Black
Processing Method
Injection Molding
Extrusion
OverMolding
Coextrusion
Properties
Good Elasticity
Good Elasticity
Good UV Resistance
Good UV Resistance
Good Adhesion
Good Adhesion
Good Compression Set
Good Compression Set
Good Ozone
Good Ozone
Key Applications
Consumer Applications
Consumer Applications
Automotive
Automotive
Appliance Components
Appliance Components
Sporting Goods
Sporting Goods
Household
Household
Furniture
Furniture
Flexible Grips
Flexible Grips
Physical
Value (SI)
Test Method
Density/Specific Gravity
0.98 g/cm3
ISO 1183, ASTM D1238
Melt Mass-Flow Rate, 190°C/2.16 kg load
10 g/10min
ASTM D1238
hardness
Value (SI)
Test Method
Durometer Hardness
Shore A, 10 Sec, Injection Molded
36
ISO 868, ASTM D2240
Shore A, 10 Sec, Exruded
34
ISO 868, ASTM D2240
Elastomers
Value (English)
Value (SI)
Test Method
Tensile Strength at Break
585 psi
4.03 MPa
ISO 37, ASTM D412
Elongation at Break
655 %
655 %
ISO 37, ASTM D412
100% Modulus
109 psi
0.75 MPa
ISO 37, ASTM D412
Tear Strength
115 lbs/in
20.1 kN/m
ISO 34-1, ASTM D624
Compression Set
Value (English)
Value (SI)
Test Method
72h/23 °C (73 °F)
18 %
18 %
ISO 815, D395B
22h/70 °C (158 °F)
45 %
45 %
ISO 815, D395B
Service Temperature
Value (SI)
Brittleness Point
-60 °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
Injecjon Rate: Fast
Back Pressure: 50-100 psi (0.345-0.689 MPa)
Cushion 0.125-0.25 in (3.18-6.35 mm)
Screw L/D Ratio: 16:1.0 to 20:1.0
Screw Compression Ratio: 2.0:1.0 to 2.5:1.0
C: 170-200 180-210 190-220 200-230 10-50
F: 338-392 356-410 374-428 392-446 50-122

Extrusion

Drying Temperature: 82 °C (180 °F)
Drying Time: 3.0 hr
Melt Temperature: 190-200 °C
Die Temperature: 204 °C (400 °F)
Back Pressure: 5.0-20 MPa (725-2900 psi)
Screw Speed: 50 to 200 rpm
C: 170-190 160-180 180-200 190-210 190-210
F: 338-374 320-356 356-392 374-410 374-410
  • It is not necessary to predry this material.
  • In the event of moisture accumulation or evidence of splay, the material can be dried for 2-3 hours at 150-160F (65-70C).
  • 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