Nordel
Nordel is a high molecular weight semi crystalline grade and offers fast cure rates and high states of cure with standard sulfur cure systems. It offers high green strength and high extensibility. It is designed for extruded applications such as profiles and hose. It is also suitable for molded goods. This grade is available in rod form for improved mixing speed and throughput.
STORAGE & HANDLING
The quality of EPDM products may be affected by exposure to artificial or natural light. This product should be stored indoors in its original packaging and out of direct sunlight.
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Typical Polymer Properties*
| Property | Value | Test Method |
|---|---|---|
| Mooney Viscosity ML 1 + 4 at 125°C | 70 | ASTM D-1646 |
| Composition | ||
| Ethylene mass% | 70 | ASTM D-3900 |
| Propylene mass% | 25 | ASTM D-3900 |
| ENB mass% | 5 | ASTM D-6047 |
| Molecular Weight Distribution | Medium | DuPont Dow PQ-E-034 and 036 |
| Product Density g/cc | 0.87 | ASTM D-297 |
| Residual Transition Metal ppm | 10 max. | DuPont Dow |
| Ash Content mass% | 0.1 max. | ASTM D-5667 |
| Total Volatiles mass% | 0.4 max. | DuPont Dow PQ-E-007 |
| Product Form | free-flowing pellets |
*These data are provided for description only and are not intended to serve as sales specifications
Typical Application Recipes
| Highly Extended Low-Cost Hose 0639A04-06 | Dense Extruded Profile 0639A05-06 | Heat-Resistant Peroxide Compound 0072A38-11 | General-Purpose Compound 0639A03-06 | |
|---|---|---|---|---|
| Nordel® IP 4770P | 100 | 100 | 100 | 100 |
| Zinc Oxide | 5 | 5 | 5 | 5 |
| Stearic Acid | 2 | 1 | 1 | 1 |
| N-550 Black | 50 | 50 | 80 | |
| N-650 Black | 200 | 100 | ||
| N762 Black | 100 | |||
| Ground Calcium Carbonate | 200 | |||
| Calcium Oxide | 8 | |||
| Parrafin Wax | 2 | |||
| Paraffinic Oil | 75 | 115 | 10 | 50 |
| Naphthenic Oil | 125 | |||
| Sulfur | 1 | 1.5 | 1.5 | |
| MBTS | 1.5 | 1 | 1 | |
| TeDEC | 0.5 | |||
| ZnDBC | 2 | 2 | 2 | |
| ZnDMC | 1 | 0.5 | ||
| TMTD | 1 | 0.8 | ||
| DTDM | ||||
| DCP-40% Active | 7 | |||
| Total | 716.5 | 434.8 | 167 | 241 |
| Product Density g/cc | 1.339 | 1.185 | 1.064 | 1.083 |
| Compound Properties | ||||
| Mooney Viscosity ML 1+4 100°C | 21 | 47 | 62 | |
| Mooney Scorch at 125°C | ||||
| Minimum viscosity | 7.6 | 18 | 47 | 22 |
| 5 pt rise min | 19.4 | 7.4 | 10.4 | 11.9 |
| 10 pt rise min | 22.1 | 8.4 | 12 | 13.8 |
| 0.5° Arc 30 min chart MDR at | 160°C | 160°C | 180°C | 160°C |
| ML dN·m | 0.6 | 1.4 | 3 | 1.6 |
| MH dN·m | 7.3 | 11.6 | 33.16 | 19 |
| t'1 min | 2.8 | 0.9 | 0.3 | 1.2 |
| t'2 min | 3.4 | 1 | 0.3 | 1.4 |
| t'50 min | 4 | 1.5 | 1 | 3 |
| t'90 min | 7.1 | 6.2 | 2.9 | 11.5 |
| t'95 min | 8.4 | 9.3 | 3.9 | 16.7 |
| Tan delta at ML | 1.01 | 1.01 | 0.96 | |
| Tan delta at MH | 0.24 | 0.04 | 0.21 | |
| Vulcanizate Properties | ||||
| Original Physical Properties at RT | ||||
| Press cured t'95 +3 min at | 160°C | 160°C | 180°C | 160°C |
| Modulus at 100% Elongation MPa | 2 | 3.8 | 5.6 | 3.9 |
| Modulus at 200% Elongation MPa | 3.9 | 7.5 | 17 | 7.8 |
| Modulus at 300% MPa | 5.2 | 9 | 11 | |
| Tensile Strength MPa | 7 | 10.4 | 26.1 | 18.8 |
| Elongation % | 492 | 446 | 266 | 480 |
| Hardness Shore A | 61 | 70 | 74 | 69 |
| Tear Strength die C kN/m | 31 | 30.6 | 39.3 | |
| Compression Set Method B | ||||
| pellets cured MDR t'95 + 15 min | ||||
| 22 hr at -25°C | 96 | 98 | 95 | 95 |
| 22 hr at 100°C | 43 | 72 | 32 | 32 |
| 70 hr at 125°C | 75 | 88 | 61 | 61 |
| 70 hr at 150°C | — | — | — | — |
| Temperature Retraction | ||||
| TR-10 °C | -15 | — | -28 | -23 |
| Change in Properties After Aging | ||||
| Aged in Air 70 hr at 125°C | ||||
| Modulus at 100% Elongation MPa | 44 | 81 | 58 | 59 |
| Modulus Change % | 120 | 113 | 3 | 51 |
| Tensile Strength MPa | 82 | 141 | 26 | 164 |
| Tensile Change % | 17 | 36 | — | -13 |
| Elongation % | 243 | 186 | 265 | 265 |
| Elongation Change % | -51 | -58 | — | -45 |
| Hardness Shore A | 75 | 80 | 80 | 77 |
| Hardness Change pt | 14 | 10 | 6 | 8 |