Flame-Retardant PBT Resin Pellets - Fire-Safe·High Flow·Heat-Resistant Solution
I. Core Selling Points
✅ Superior Flame Retardancy: UL94 V0 (0.8-3.2mm), LOI ≥28% (ASTM D2863), self-extinguishing in 5s; halogen-free/halogen-containing options
✅ PBT Performance Preservation: Retains 95% mechanical/processing properties of virgin PBT, notched Izod ≥5 kJ/m² (23℃), HDT (1.8MPa) ≥120℃
✅ Low Smoke & Toxicity: Smoke density (Ds) ≤150 (ASTM E662), low toxic gas emission (halogen-free grade meets RoHS 2.0), safe for enclosed spaces
✅ High Processing Efficiency: MFR 20-40 g/10min (235℃/2.16kg), fast crystallization, low warpage, ideal for thin-wall precision parts (≥0.8mm)
✅ Environmental Stability: Continuous use temperature (-40~120℃), moisture absorption ≤0.25%, no performance degradation in humid environments
✅ Multi-Scene Compliance: UL Yellow Card, IATF 16949 (automotive), RoHS/REACH, FDA 21 CFR §177.1500 (food contact optional)
✅ Customizable Formulation: Flame retardant grade (UL94 V0/V1), halogen-free/halogen-containing, high-flow/UV-stabilized modifications
II. Core Product Specifications (Professional Table with Data Support)
Performance Category | Test Item | Test Standard | Typical Value (Halogen-Free V0/Halogen-Containing V0/High-Flow V0) | Unit |
Basic Properties | Density | ASTM D792 | 1.35-1.40 / 1.33-1.38 / 1.32-1.37 | g/cm³ |
Water Absorption (24h/23℃) | ASTM D570 | ≤0.22 / ≤0.20 / ≤0.21 | % | |
Shrinkage Rate (flow) | ASTM D955 | 1.2-1.5 / 1.1-1.4 / 1.3-1.6 | % | |
Flame Retardancy | UL94 Flame Class (1.6mm) | UL94 | V0 / V0 / V0 | - |
Limiting Oxygen Index (LOI) | ASTM D2863 | ≥29 / ≥30 / ≥28 | % | |
Smoke Density (Ds, 4min) | ASTM E662 | ≤140 / ≤150 / ≤145 | - | |
Mechanical Properties | Tensile Strength (Yield) | ASTM D638 | 50-58 / 52-60 / 48-56 | MPa |
Elongation at Break | ASTM D638 | 3-5 / 4-6 / 5-7 | % | |
Notched Izod Impact (23℃) | ASTM D256 | 5-7 / 6-8 / 7-9 | kJ/m² | |
Thermal Properties | Heat Distortion Temp (1.8MPa) | ASTM D648 | 120-128 / 122-130 / 118-126 | ℃ |
Continuous Use Temperature | - | -40~120 / -40~125 / -40~118 | ℃ | |
Vicat Softening Point | ASTM D1525 | 150-160 / 152-162 / 148-158 | ℃ | |
Processing Properties | Melt Flow Rate (235℃/2.16kg) | ASTM D1238 | 20-28 / 25-35 / 32-40 | g/10min |
Compliance Certifications | Flame Retardancy | UL Yellow Card | Certified / Certified / Certified | - |
Automotive Grade | IATF 16949 | Compliant / Compliant / Compliant | - | |
Environmental Safety | RoHS 2.0/REACH 197 SVHC | Compliant | - | |
Food Contact (optional) | FDA 21 CFR §177.1500 | Compliant | - |
Note: High-flow grade fits thin-wall parts (0.8mm) with UL94 V0; Halogen-free grade meets EU RoHS 2.0 & REACH SVHC; UV-stabilized grade retains ≥90% flame retardancy after 1000h ASTM G154 aging.
III. Target Application Scenarios (Industry + Pain Points + Solutions)
1. Electronic & Electrical → Fire Safety + Precision
• Applicable Products: Connectors, relay housings, 充电桩 (EV charging pile) components, server backplanes, switchgear parts
• Core Value: UL94 V0 (0.8mm) for thin-wall precision, high flow (MFR≥32g/10min) for complex molding, low smoke density avoids visibility loss in enclosed spaces
2. Automotive Industry → Flame Retardancy + Low VOC
• Applicable Products: Sensor housings, wire harness brackets, EV battery pack accessories, underhood electrical components
• Core Value: IATF 16949 compliant, low VOC meets automotive interior standards, -40~125℃ temperature resistance for extreme climates
3. Industrial Machinery → Durability + Efficiency
• Applicable Products: Electrical control box parts, motor end caps, switch housings, industrial valve components
• Core Value: Moisture resistance (water absorption ≤0.22%), chemical resistance to industrial fluids, fast crystallization for high production yield
4. Consumer Electronics → Practicality + Safety
• Applicable Products: Power adapter shells, small appliance housings (microwave/air conditioner), USB-C connectors, LED driver cases
• Core Value: Shatterproof vs. brittle plastics, high flow for miniaturized parts, RoHS compliant for global markets
5. Medical & Healthcare (Special Grade)
• Applicable Products: Medical device electrical housings, diagnostic equipment switch parts, hospital electrical enclosures
• Core Value: Halogen-free option (eco-friendly), low toxic gas emission (safe for medical environments), FDA-compliant for indirect contact
IV. Quality Assurance System (Build Procurement Trust)
1. Production Process
• Adopts nanoscale flame retardant dispersion technology + PBT crystallization tuning, uniform additive distribution (agglomeration rate ≤0.5%), no flame retardant migration or mold corrosion
• Fully automated twin-screw extrusion lines, real-time monitoring of flame retardancy/melt viscosity, raw material purity ≥99.8% (high-grade virgin PBT + non-toxic flame retardants)
• Batch Stability: Flame retardancy consistency (UL94 grade no deviation), mechanical performance fluctuation ≤±3%, monthly capacity 9,000 tons
2. Testing Standards
• Full-Process Inspection: Raw material flame retardant compatibility test → Dispersion analysis → Flame retardancy/mechanical/thermal/processing testing → Smoke density/toxicity validation
• Testing Equipment: UL94 flame retardancy tester, oxygen index meter, smoke density analyzer, tensile/impact tester, melt flow rate meter
3. Certification Qualifications
• Basic: ISO 9001, ISO 14001, RoHS 2.0, REACH 197 SVHC
• Special: UL Yellow Card (UL94 V0), IATF 16949 (automotive), GB 8624 (China fire code), FDA 21 CFR §177.1500, SGS flame retardancy certification
V. Cooperation Support (Lower Procurement Threshold)
✅ Sample Support: Free 5kgs standard samples (Halogen-Free V0/Halogen-Containing V0), custom high-flow samples (6-day delivery, with UL test report)
✅ Customization Service: Flame retardant grade (UL94 V0/V1), halogen-free/halogen-containing option, high-flow/UV-stabilized/anti-scratch modification, color matching (Pantone/RAL)
✅ Technical Support: Molding parameter optimization (230-260℃), thin-wall part processing guidance, mold fouling prevention advice
✅ Logistics Guarantee: Global shipping (EXW/FOB/CIF), moisture-proof vacuum packaging (25kg bags/1000kgs/pallet), safety stock for urgent orders
✅ After-Sales Guarantee: 1-year quality warranty, free replacement for non-compliant batches (flame retardancy grade deviation), 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 & custom flame retardant solution
Factory Address: Room 1111B, 11th Floor, Nandu Plaza Tower, No. 18 Fengjin South Road, Wuzhong Economic Development Zone, Suzhou city (On-site audit & flame retardancy testing welcome)
Get your fire-safe & high-efficiency Flame-Retardant PBT solution + free sample today!