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PPA Polyphthalamide Resin Pellets - High-Temp Resistant·High-Strength·Engineering-Grade Solution
I. Core Selling Points
✅ Extreme Heat Resistance: Continuous use temp 120-180℃, HDT (1.8MPa) ≥150℃ (ASTM D648), withstands automotive/industrial high-temp environments
✅ Superior Mechanical Strength: Tensile strength 60-180MPa (glass fiber reinforced optional), flexural modulus ≥3500MPa, excellent load-bearing capacity
✅ Low Moisture Absorption: Water absorption ≤0.2% (24h/23℃), 50% lower than nylon 66, dimensional stability ±0.01mm
✅ Strong Chemical Resistance: Resists automotive fluids (oil/fuel/ethylene glycol), industrial solvents & alkalis, no material degradation
✅ Engineering-Grade Compliance: IATF 16949 (automotive), UL94 V0 (flame retardant optional), RoHS/REACH, FDA 21 CFR §177.1500 (food contact)
✅ Customizable Reinforcement: 10-50% glass fiber/glass mineral filling, flame-retardant/toughened modifications,Adaptation precision molding
II. Core Product Specifications (Professional Table with Data Support)
Performance Category | Test Item | Test Standard | Typical Value (Unreinforced/Reinforced 30%) | Unit |
Basic Properties | Density | ASTM D792 | 1.10-1.15 / 1.40-1.45 | g/cm³ |
Water Absorption (24h/23℃) | ASTM D570 | ≤0.2 / ≤0.3 | % | |
Shrinkage Rate | ASTM D955 | 0.5-0.7 / 0.2-0.4 | % | |
Mechanical Properties | Tensile Strength (Yield) | ASTM D638 | 60-80 / 120-150 | MPa |
Flexural Strength | ASTM D790 | 90-110 / 180-220 | MPa | |
Flexural Modulus | ASTM D790 | 2800-3200 / 8500-9500 | MPa | |
Notched Izod Impact Strength (23℃) | ASTM D256 | 5-8 / 12-18 | kJ/m² | |
Thermal Properties | Heat Distortion Temp (1.8MPa) | ASTM D648 | 150-170 / 200-220 | ℃ |
Continuous Use Temperature | - | 120-150 / 150-180 | ℃ | |
Melting Point | DSC | 310-330 / 310-330 | ℃ | |
Processing Properties | Melt Flow Rate (300℃/1.2kg) | ASTM D1238 | 10-20 / 8-15 | g/10min |
Chemical Resistance | Resistance to Engine Oil (100℃/1000h) | - | No cracking/degradation | - |
Compliance Certifications | Automotive Grade | IATF 16949 | Compliant | - |
Flame Retardancy (optional) | UL94 | V0 (1.6mm) | - | |
Food Contact | FDA 21 CFR §177.1500 | Compliant | - | |
Environmental | RoHS 2.0/REACH 197 SVHC | Compliant | - |
III. Target Application Scenarios (Industry + Pain Points + Solutions)
1. Automotive Industry → High-Temp + Chemical Resistance
• Applicable Products: Engine valve covers, fuel system components, wire harness connectors, transmission parts
• Core Value: Withstands 150℃+ engine bay temps, resists gasoline/engine oil/antifreeze, low moisture absorption ensures assembly precision
2. Electronics & Electrical → Precision + Moisture Resistance
• Applicable Products: High-power LED brackets, automotive connectors, circuit board insulators, battery housings
• Core Value: Dimensional tolerance ±0.01mm for precision fitting, HDT ≥180℃ adapts to soldering heat, moisture resistance prevents short circuits
3. Industrial Machinery → Strength + Wear Resistance
• Applicable Products: Gear wheels, bearing cages, valve bodies, hydraulic system components
• Core Value: High flexural modulus (≥8500MPa) for load-bearing, wear resistance (DIN abrasion ≤150mm³), chemical resistance to industrial fluids
4. Aerospace & Defense (Optional) → Lightweight + Extreme Performance
• Applicable Products: Aircraft interior components, avionics housings, sensor casings
• Core Value: High strength-to-weight ratio, withstands -50~180℃ temperature extremes, flame-retardant (UL94 V0) compliance
5. Food Processing Equipment → Safety + Heat Resistance
• Applicable Products: Food contact gears, conveyor system parts, high-temperature gaskets
• Core Value: FDA-compliant (no migration), heat resistance to 150℃ sterilization, resistant to food oils & cleaning agents
IV. Quality Assurance System (Build Procurement Trust)
1. Production Process
• Adopts precision copolymerization & filling technology, uniform dispersion of glass fiber/mineral fillers (CV ≤3%)
• Fully automated production lines with real-time melt viscosity/temperature monitoring, raw material purity ≥99.9%
• Batch Stability: Performance fluctuation ≤±3% per batch, monthly capacity 8,000 tons (reinforced grades)
2. Testing Standards
• Full-Process Inspection: Raw material purity test → Filler dispersion analysis → Mechanical/thermal/chemical resistance testing → Dimensional validation
• Testing Equipment: TGA/DSC thermal analyzer, universal testing machine, chemical immersion test chamber, 3D coordinate measuring machine
3. Certification Qualifications
• Basic: ISO 9001, ISO 14001, RoHS 2.0, REACH
• Special: IATF 16949 (automotive), UL94 (flame retardant), FDA, LFGB, AS9100 (aerospace optional)
V. Cooperation Support (Lower Procurement Threshold)
✅ Sample Support: Free 5kgs standard samples, custom reinforced/flame-retardant samples (7-day delivery)
✅ Customization Service: Glass fiber/mineral filling (10-50%), toughened/flame-retardant/UV-stabilized modification, color matching
✅ Technical Support: Molding parameter optimization (280-330℃ processing temp guidance), mold design consultation, on-site technical audit
✅ Logistics Guarantee: Global shipping (EXW/FOB/CIF), moisture-proof packaging (25kg vacuum bags/1000kg/pallet), safety stock for urgent orders!
✅ After-Sales Guarantee: 1-year quality warranty, full replacement for non-compliant batches, 48h technical troubleshooting
VI. Contact & Inquiry (Call to Action)
Inquiry Hotline: +86-159 9584 3932
Business Email: st002.sale@seetou.com
Online Consultation: Click [Live Chat] for instant quote & technical solution
Factory Address: Room 1111B, 11th Floor, Nandu Plaza Tower, No. 18 Fengjin South Road, Wuzhong Economic Development Zone, Suzhou city(On-site audit & trial production welcome)
Get your engineering-grade PPA solution + free sample today!
