TECHNYL PROTECT A 50H1 BK
TECHNYL PROTECT A 50H1 BK is an unreinforced, halogen-free flame-retardant PA66 (polyamide 66) engineering plastic, with a core positioning as a high-safety, high-adaptability functional structural material for electrical, electronic and automotive applications. With halogen-free flame retardancy, excellent electrical insulation, good mechanical toughness and easy processability, it adapts to the harsh requirements of various fields such as electrical and electronic, new energy vehicles and industrial machinery, balancing safety compliance and operational stability, making it the preferred material for high-end precision components.
1. Core Basic Information
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Product Category: Engineering Plastics (PA66/Nylon 66)
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Core Composition: PA66 base material + halogen-free flame retardant system (red phosphorus flame retardant), no glass fiber reinforcement
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Appearance: Black (BK) pellets, standard packaging 25KG/bag
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Processing Method: Injection molding, suitable for the production of precision and complex structural parts
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Environmental Compliance: Halogen-free flame retardant, free of harmful halogens and PBDEs, compliant with RoHS and REACH directives, and relevant qualification documents such as COA and MSDS are available
2. Core Performance Highlights
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Flame Retardancy: UL94 V-0 flame retardant rating, achieving V-0 at 0.38mm thickness, and stably maintaining V-0 at 1.6mm and 3.2mm thicknesses. It self-extinguishes immediately after leaving the flame with no dripping ignition risk. The glow wire flammability index reaches 960℃ (0.8mm thickness), with outstanding fire safety. It is one of the core flame-retardant products in DOMO TECHNYL PROTECT series.
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Mechanical Properties: Density 1.16g/cm³, tensile yield strength 86.0MPa (dry state), flexural modulus 3700MPa (dry state), Izod notched impact strength 3.2kJ/m² (dry state) and 10kJ/m² (conditioned state). It has good toughness, fatigue resistance and creep resistance, suitable for functional and structural parts under long-term stress.
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Thermal Properties: Melting temperature 263℃, heat distortion temperature 237℃ under 0.45MPa load, 85.0℃ under 1.8MPa load. It has excellent thermal stability and good aging resistance, and can be used for long-term in medium and high temperature working conditions.
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Electrical Properties: Comparative Tracking Index (CTI) ≥ 600V, excellent electrical insulation performance, high volume resistivity and stable dielectric performance, which can effectively inhibit tracking and is suitable for high-voltage electrical components.
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Processability and Chemical Resistance: Good fluidity, short injection molding cycle, high surface finish, easy to process and form precision and complex components; resistant to oil, fuel, solvents and coolants, suitable for complex corrosive environments such as automotive oil circuits and cooling systems. It also has good self-lubrication and can be used for simple transmission components.
3. Core Application Scenarios
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Electrical and Electronic Field: High-voltage connectors, terminal blocks, relay bases, circuit breaker housings, switch components, photovoltaic junction boxes, charging pile components, sensor brackets and coil bobbins, etc. Especially suitable for precision electronic components with strict requirements on flame retardancy and insulation, it is one of the preferred solutions for photovoltaic junction boxes and connectors.
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Automotive Field: New energy vehicle Power Distribution Units (PDU), battery cooling system components, charging equipment housings, motor insulation brackets, as well as electrical components in the engine compartment of traditional fuel vehicles and fuel system components (filters, strainers), etc.
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Industrial Machinery Field: Valves and valve components, pump components, bearing housings, sliders, etc. With chemical resistance and mechanical toughness, it is suitable for complex working conditions such as industrial hydraulic and transmission systems.
4. Practical Reference
Drying Treatment: Dry at 80℃ for 4-6 hours, target moisture content ≤ 0.2% to avoid bubbles, hydrolysis and degradation during injection molding; Barrel Temperature: Rear 265-270℃, Middle 270-275℃, Front 275-280℃; Nozzle Temperature: 270-275℃; Mold Temperature: 60-90℃; Injection Pressure: 70-110MPa, Holding Pressure: 50-65% of injection pressure, Cooling Time: 15-35 seconds (adjust according to product wall thickness); Color matching is available on demand to meet different appearance requirements.
5. Summary of Core Advantages
As a core flame-retardant product in DOMO TECHNYL PROTECT series, TECHNYL PROTECT A 50H1 BK balances toughness and processability with an unreinforced design. Halogen-free V-0 flame retardancy combined with high insulation performance perfectly meets the safety and performance requirements of high-end fields such as electrical and electronic, and new energy vehicles. Compared with halogen-containing flame-retardant PA66, it is more environmentally friendly and low-toxic; compared with glass fiber reinforced PA66, it is easier to process and has a smoother surface. It also has excellent chemical resistance and thermal stability, which can replace traditional flame-retardant materials. It is a cost-effective choice integrating “safety + compliance + adaptability”, providing original factory packaging guarantee and comprehensive after-sales technical support.
| Unreinforced polyamide 66 non-phosphorous non-halogenated flame retardant heat stabilized for injection moulding | |
| Feature | halogen free flame retardant |
| Polymer type | PA66 |
| Density | 1.16 |
| Tensile modulus | 3800 1700 |
| Strain at break | 9 100 |
| Yield stress | – |
| Flexural modulus | 3700 1700 |
| Flexural strength | 130 55 |
| UL94 | V0 |
| Processing | Injection molding |