TPV

TerraPrene ® V1185A-NAT
Standard Thermoplastic Vulcanizate TPV based on EPDM and Polypropylene
Technical Datasheet
Product Description

85 Shore A Thermoplastic Vulcanizate for injection molding and extrusion applications, offering excellent flex fatigue, very good temperature and fluid resistance, very good compression set properties, low gloss and compatibility with polyolefins.

General
Availability
North America
Europe
Latin America
Appearance
Natural Color
Additives
Heat Stabilizer
Processing Method
Injection Molding
Extrusion
Multi injection
Coextrusion
Profile Extrusion
Key Properties
Chemical Resistant
Chemical Resistant
Electrically Insulating
Electrically Insulating
Fatigue Resistant
Fatigue Resistant
Good Compression Set
Good Compression Set
Good Ozone
Good Ozone
Key Applications
Consumer Applications
Consumer Applications
Automotive
Automotive
Appliance Components
Appliance Components
Electrical Parts
Electrical Parts
Gaskets
Gaskets
Seals
Seals
Under the Hood
Under the Hood
Physical
Value (SI)
Test Method
Density/Specific Gravity
0.96 g/cm3
ISO 1183
Elastomers (Across Flow)
Value (English)
Value (SI)
Test Method
Tensile Strength at Break
1494 psi
10.3 MPa
ASTM D412
Elongation at Break
560 %
560 %
ASTM D412
100% Modulus
682 psi
4.7 MPa
ASTM D412
Tear Strength
205.2 lbs/in
36 kN/m
ASTM D624
Compression Set
Value (SI)
Value (SI)
Test Method
22h/70 °C (73 °F)
42 %
42 %
D395B
70h/125 °C (257 °F)
60 %
60 %
D395B
Hardness
Value
Test Method
Durometer Hardness
Shore A, 15 Sec, 23 °C
85
ISO 868, ASTM D2240
Service Temperatures
Value (SI)
Test Method
Brittleness Point
-60 °C
ASTM D2240
Aging
Value (SI)
Test Method
Change in Tensile Strength in Air - Across Flow 150°C (302°F) , 168 h
-5.2 %
ISO 1817, ASTM D573
Change in Ultimate Elongation in Air - Across Flow 150°C (302°F) , 168 hr
-10 %
ISO 188, ASTM D412
Change in Durometer Hardness in Air (Shore A, 150°C, 168 hr)
1.7 %
ISO 188, ASTM D412
Change in Volume (125°C, 70 hr, in IRM 903 Oil)
65 %
ISO 1817, ASTM D573

Processing Guide


Injection Molding

Melt Temperature: 200-220 °C
Screw Speed: 50 to 200 rpm
Injection 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: 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. In the event of moisture accumulation or evidence of splay, the material can be dried for 2-3 hours at 70-80°C.
  • 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