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PURPRENE™ A74 BK10
PURPRENE A74 BK10 is a heat stabilized PP/EPDM based Thermoplastic Vulcanized Elastomer (TPV). This black compound is for under the hood and interior applications. This material can be processed using Injection Molding, Extrusion, Blow Molding or other melt processing techniques. Product is supplied as free flowing pellets in 1000 pound Gaylord boxes or 50 pound bags.
Properties
- Physical Form
- Pellets
- Solid
Product families
Applications
Automotive & Transportation — Automotive
- Powertrain & UTH
Product Families
Elastomers — Thermoplastic Elastomers
- Thermoplastic Vulcanizates (TPV)
Other characteristics
- Brand
- PURPRENE
- Density
- 940.0 - 1000.0 kg/m³
- Polymer Name
- Thermoplastic Vulcanizate (TPV)
- Processing Methods
- Injection Molding
- Compression Set (70 °C)
- 35.0 - 35.0 %
- Color
- Black
- Markets
- Automotive & Transportation
- Technology
- Elastomers
- Material Features
- Heat Stabilized
- Plastics and Elastomers End Uses
- Automotive Under The Hood
- Plastics and Elastomers Processing Methods
- Injection Molding
Technical data
Table 1 of 4
15 rows| Characteristic | Value | Unit | Method |
|---|---|---|---|
| Melt Flow (230°C, Nominal) | 2.5 | g/10 minute | ASTM D1238 |
| Hardness (Second’s delay) | 71 - 77 | Shore A | ASTM D2240 |
| Tensile Strength (Perpendicular) | 7.2 | — | ASTM D412-98a |
| Tensile Strength (Parallel) | min. 5.5 | Mpa | ASTM D412-98a |
| Tensile Stress (100%, Across Flow, Perpendicular) | min. 2.8 | Mpa | ASTM D412-98a |
| Tensile Stress (100%, Across Flow, Parallel) | min. 3.5 | Mpa | ASTM D1004 |
| Ultimate Elongation (Across Flow, Perpendicular) | min. 480 | % | ASTM D746 |
| Ultimate Elongation (Across Flow, Parallel) | min. 300 | % | ISO 812 B |
| Tear Strength (50mm/min, Perpendicular) | min. 29 | N/mm | ASTM D395-B |
| Tear Strength (50mm/min, Parallel) | min. 23 | N/mm | ASTM D1004 |
| Brittle Temperature (Perpendicular) | max. - 56 | °C | ASTM D746 |
| Brittle Temperature (Parallel) | max. - 54 | °C | ISO 812 B |
Table 2 of 4
1 row| Characteristic | Value | Unit | Method |
|---|---|---|---|
| Hardness | 71 - 77 | Shore A | ASTM D2240 |
Table 3 of 4
10 rows| Characteristic | Value | Unit | Method |
|---|---|---|---|
| Change in Hardness (1000h, 135°C) | 5 | Shore A | ASTM D412-98a |
| Change in Hardness (168h, 150 °C) | 5 | Shore A | ASTM D412-98a |
| Change in Hardness (168Hrs. at 150°C (Perpendicular to the Flow)) | 0 - 10 | Shore A | ASTM D412-98a |
| Change in Tensile (168Hrs. at 150°C (Perpendicular to the Flow)) | 10 to - 25 | % | ASTM D412-98a |
| Change in Elongation (168Hrs. at 150°C (Perpendicular to the Flow)) | 10 to - 25 | % | ASTM D412-98a |
| Tensile Stress at 100% Elongation (168Hrs. at 150°C (Perpendicular to the Flow)) | 0 - 20 | % | ASTM D412-98a |
| Change in Hardness (1000Hrs at 135°C (Perpendicular to the Flow)) | 0 - 10 | Shore A | ASTM D412-98a |
| Change in Tensile (1000Hrs at 135°C (Perpendicular to the Flow)) | 10 to - 20 | % | ASTM D412-98a |
| Change in Elongation (1000Hrs at 135°C (Perpendicular to the Flow)) | 10 to - 20 | % | ASTM D412-98a |
| Tensile Stress at 100% Elongation (1000Hrs at 135°C (Perpendicular to the Flow)) | 0 - 40 | % | ASTM D412-98a |
Table 4 of 4
10 rows| Characteristic | Value | Unit | Method |
|---|---|---|---|
| Change in Tensile (IRM 903, 70h at 125°C (Perpendicular to the Flow)) | max. -50 | % | ISO 1817 |
| Change in Tensile (IRM 903, 70h at 125°C (Perpendicular to the Flow)) | max. -35 | % | — |
| Change in Elongation (IRM 903, 70h at 125°C (Perpendicular to the Flow)) | max. -65 | % | — |
| Tensile Stress at 100% Elongation (IRM 903, 70h at 125°C (Perpendicular to the Flow)) | max. -20 | % | — |
| Change in Volume (IRM 903, 70h at 125°C (Perpendicular to the Flow)) | max. 90 | % | — |
| Change in Tear (IRM 903, 70h at 125°C (Perpendicular to the Flow)) | max. -65 | % | — |
| Fogging Number (IRM 903, 70h at 125°C (Perpendicular to the Flow)) | min. 70 | % | GM9305P |
| Ozone Resistance ("A” 100pphm, 40°C) | 0 | Rating | ISO 1431-1 |
| Colorfastness to Light (Change in Color, ΔE) | max. 3.0 | — | SAE J1885 |
| Xenon Arc 1240.8kJ/m2 (Surface Defects) | No Objectionable defects | — | — |
