PA12 Arkema 6333
PA12 Arkema 6333 Resin
Material Introduction: PA12 Arkema 6333 is a high‑temperature toughened polyamide‑12 special resin. It delivers outstanding thermal‑aging resistance, excellent low‑temperature toughness, improved chemical corrosion resistance, low‑permeation performance and high sealing capability.
Main Applications
New‑energy‑vehicle thermal‑management components: Battery coolant quick‑connect joints, motor oil‑cooling tubes (resistant to ethylene‑glycol‑based coolant under 150 ℃ peak temperature).
Fuel‑system high‑pressure sealing parts: High‑pressure fuel‑pump diaphragms, carbon‑canister solenoid valve gaskets (passed ISO 19030 fuel‑permeation test).
Smart‑chassis brake‑system parts: EHB hydraulic accumulator housings, steer‑by‑wire sensor brackets (resistant to DOT 5.1 brake fluid).
Industrial high‑temperature fluid transmission: Hot‑melt adhesive hoses, hydraulic‑system pulse dampers (130 ℃ / 25 MPa pulse‑pressure resistance).
Extreme‑environment sports equipment: Snowmobile fuel tanks, polar‑scientific‑research equipment fasteners (passed‑60 ℃ impact test).
Performance Parameters
| Performance Category | Test Item | Test Standard | Unit | Typical Value | Remarks & Interpretation |
|---|---|---|---|---|---|
| Basic Physical Properties | Density | ISO 1183 | g/cm³ | 1.02‑1.03 | Toughened heat‑resistant PA12 |
| Water Absorption (saturated,23℃) | ISO 62 | % | 1.1‑1.3 | ‑ | |
| Mechanical Properties | Tensile Strength (23℃) | ISO 527 | MPa | 48‑53 | ‑ |
| Tensile Strength (150℃ aging for 1000 h) | ISO 527 | MPa | 41‑45 (85% retention rate) | Excellent thermal aging resistance | |
| Flexural Modulus | ISO 178 | MPa | 1250‑1350 | ‑ | |
| Notched Charpy Impact Strength (-40℃) | ISO 179/1eA | kJ/m² | 60‑70 | Superior low‑temperature toughness | |
| Thermal Properties | Melting Point (DSC) | ISO 11357 | ℃ | 177‑180 | ‑ |
| Heat‑Distortion Temperature (0.45 MPa) | ISO 75 | ℃ | 135‑140 | ‑ | |
| Continuous Service Temperature | UL 746B | ℃ | ‑50~+135 | Wide service temperature range | |
| Chemical & Permeation Properties | Ethanol‑gasoline weight gain (60℃×7d) | ISO 1817 | % | +1.5 | Good fuel resistance |
| Fuel‑vapor Transmission Rate | SAE J2665 | g·mm/m²·day | 12 | Low‑permeation performance | |
| Brake‑fluid Resistance(DOT 5.1,23℃) | ISO 1817 | % volume change | +0.8 | Resistant to brake‑fluid corrosion |
Injection Molding Parameters
| Processing Step | Parameter Range | Key Control Points |
|---|---|---|
| Drying | 85 ℃ × 4 h vacuum drying | Moisture content ≤0.03%, dew point ≤‑40℃. |
| Barrel Temperature | Rear zone：195‑205 ℃ | Temperature＞220 ℃ will trigger toughener decomposition. |
| Middle zone：210‑220 ℃ | ‑ | |
| Front zone / Nozzle：220‑230 ℃ | Actual melt temperature ≤235 ℃. | |
| Mold Temperature | 70‑90 ℃ | Mold temperature＜60 ℃ causes insufficient crystallization and higher post‑shrinkage. |
| Injection Speed | Medium‑high speed (60‑80% of maximum rate) | Excessively high speed may lead to toughener phase separation. |
| Holding Pressure | 40‑60% of injection pressure | High pressure increases risk of internal‑stress cracking. |
| Screw Design | Two‑stage barrier‑type | Compression ratio 2.3‑2.8, L/D≥22. |
Extrusion Processing Parameters
| Parameter Item | Pipe / Profile | Blown Film |
|---|---|---|
| Extruder L/D | ≥25:1 | ≥30:1 |
| Compression Ratio | 3.0‑3.5 | 2.8‑3.2 |
| Die Head Temperature | 215‑225 ℃ | 210‑220 ℃ |
| Cooling Method | Vacuum sizing water cooling | Air ring + internal cooling |
Disclaimer: All above data is for reference only.
