Description
SHENMA EPR27 is a PA66 Resin grade.
Product Specification
| Property | Test Method | Test Conditions | Unit | Test Result |
|---|---|---|---|---|
| Grade | EPR27 | |||
| Product Information | ||||
| Color | / | / | – | Milk White to Light Yellow |
| Material Shape | / | / | – | Uniform Grains |
| Processing Mode | / | / | – | Polymerization |
| Flame Retardant Rating | UL 94 | / | Class | V-2 |
| Appearance | / | / | – | Regular Particle Size, No Impurities |
| Shape | / | / | – | Solid |
| Physical and Chemical Indexes | ||||
| Relative Viscosity | GB/T 12006.1-2009 | / | – | 2.67±0.03 |
| Water Content | GB/T 12006.2-2009 | / | % m/m | ≤0.6 |
| Black Particle | Counting Method | / | pcs/kg | ≤10 |
| -NH2 | Potentiometric Titration Method | / | meq/kg | – |
| b Value | HG/T 3862 | / | – | ≤1 |
| Particle Size | Weighing Method | / | g/100 Granules | 1.7±0.3 |
| Physical Properties | ||||
| Melt Flow Rate | ISO 1133 | / | g/10min | 50 |
| Rockwell Hardness R Scale | ISO 2039-2 | R Scale | – | 120 |
| Rockwell Hardness M Scale | ISO 2039-2 | M Scale | – | 90 |
| Rockwell Hardness L Scale | ISO 2039-2 | L Scale | – | 105 |
| Molding Shrinkage Rate – Parallel | ISO 294-4 | Parallel | % | 1.6 |
| Molding Shrinkage Rate – Vertical | ISO 294-4 | Vertical | % | 1.7 |
| Mechanical Properties | ||||
| Tensile Strength | ISO 527 | / | MPa | 81 |
| Elongation Rate | ISO 527 | / | % | 46 |
| Tensile Modulus of Elasticity | ISO 527 | / | GPa | 3.0 |
| Flexural Modulus | ISO 178 | / | GPa | 2.2 |
| Bending Constant Deflection | ISO 178 | / | MPa | 81 |
| Simply Supported Beam Notched Impact Strength | ISO 179 | Notched | kJ/m² | 6.0 |
| Charpy Impact Strength | ISO 179 | / | – | Constant |
| Izod Notched Impact Strength | ISO 180 | Notched | kJ/m² | 4.0 |
| Thermal Properties | ||||
| Heat Deflection Temperature | ISO 75 | / | ℃ | 70 |
| Melting Point | ISO 11357 | / | ℃ | 260 |
| Electrical Properties | ||||
| Comparative Tracking Index (CTI) | IEC 60112 | / | V | 600 |
| Combustion Properties | ||||
| Glow-Wire Flammability Index (GWFI) | IEC 60695 | / | ℃ | 800 |
| Flammability | UL 94 | 0.8mm | Class | V-2 |
| Injection Molding Conditions | ||||
| Drying Temperature | / | / | ℃ | 80–100 |
| Drying Time | / | / | h | 4–10 |
| Water Content After Drying | / | After Drying | % | 0.2 |
| Injection Melt Temperature | / | Injection Molding | ℃ | 275–305 |
| Optimum Melt Temperature | / | Recommended | ℃ | 290 |
| Mold Temperature | / | Injection Molding | ℃ | 40–90 |
| Modified Processing Conditions | ||||
| Processing Temperature | / | Modification Processing | ℃ | 275–310 |
Typical values should be confirmed against the latest producer-issued TDS before final use.