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Home > Chemicals > Plastic & Polymer > Plastic Materials > PA66 Granules 1402SHXA1 Heat Stabilized for Automotive Underhood

PA66 Granules 1402SHXA1 Heat Stabilized for Automotive Underhood

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Product Spotlights

PA66 Granules 1402SHXA1 are specifically heat-stabilized for demanding automotive underhood applications. They offer enhanced resistance to thermal oxidative degradation, preserving mechanical properties like strength and rigidity at elevated temperatures for longer component lifespan. This provides a reliable, cost-effective material solution for engine components, cooling system parts, and electrical housings, supporting stable processing and compatibility with automotive environments. Ideal for manufacturers seeking upgraded performance from standard PA66.

Negotiable MOQ: 1 Kilogram (Price negotiable depending on order volume and customization)

Key Specifications

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Material:

Other, Polyamide 66 (PA66)

Color:

Other, Natural (Standard)

Grade/Model:

1402SHXA1

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Shanghai Wenqin Plastics Co., Ltd.

1Yr

Payment & Shipping

Payment Methods:

Port of Shipment:

SHANGHAI/NINGBO

Delivery Detail:

Delivery time depends on order quantity.

Product Details
Company Profile
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Material Other, Polyamide 66 (PA66)

Color Other, Natural (Standard)

Grade/Model 1402SHXA1

Processing Feature Heat Stabilized

Primary Application Automotive Underhood Components

Form Granules/Pellets

Key Property Enhanced Thermal Stability

Target Industry Automotive Manufacturing

Shanghai Wenqin Plastics Co., Ltd., established in 2020, specializes in providing high-performance engineering plastics tailored for demanding industrial applications. As a focused manufacturer, we understand the critical requirements of the automotive sector, particularly for components operating in harsh underhood environments. Our PA66 Granules 1402SHXA1 Heat Stabilized are engineered specifically to meet these challenges, offering superior thermal resistance, durability, and reliability for automotive manufacturers seeking consistent material performance.

The automotive underhood area presents one of the most severe operating conditions, with exposure to high temperatures, aggressive chemicals, and constant mechanical stress. Standard PA66 materials can degrade under such prolonged exposure. Our 1402SHXA1 grade addresses this by incorporating a specialized heat stabilization package during the polymerization process. This formulation is not a simple surface coating; it is integrated into the polymer matrix, ensuring long-term stability and performance retention throughout the part's lifecycle.

Core Technical Advantages & Specifications:

Enhanced Thermal Aging Resistance: The primary benefit is significantly improved resistance to thermal oxidative degradation. Components molded from 1402SHXA1 maintain their mechanical properties—such as tensile strength, flexural modulus, and impact resistance—for longer periods at elevated temperatures compared to standard PA66 grades. This translates to extended component service life and reduced risk of failure.
Consistent Processing Performance: The granules are designed for stable processing in injection molding machines. The heat stabilizers help maintain consistent melt viscosity during molding, reducing variations in part dimensions and quality, especially during long production runs or when processing temperatures are pushed to higher limits for faster cycles.
Retained Mechanical Properties: Key properties of PA66, including its high strength, rigidity, good abrasion resistance, and excellent fatigue resistance, are preserved with the 1402SHXA1 formulation. The stabilization system protects the polymer chains from breakdown, ensuring the final parts perform as intended.
Chemical Resistance Compatibility: The stabilization system is compatible with PA66's inherent good resistance to many oils, greases, fuels, and coolants commonly found in the underhood environment. It does not negatively impact this crucial characteristic.

Typical Application Areas & Client Benefits:

Engine Components: Used for sensor housings, connectors, small brackets, and covers near the engine block where temperatures can exceed 120°C.
Cooling System Parts: Suitable for components in the cooling circuit, such as certain housing parts, where hot coolant exposure is constant.
Electrical & Electronic Components: For housings of underhood electronic control units (ECUs), connectors, and cable conduits that require material stability to protect sensitive electronics.
Air Intake System Parts: Applications in the air intake manifold assembly or related components exposed to heat from the engine.
Benefit to Clients: Using 1402SHXA1 allows automotive part manufacturers and Tier 1 suppliers to design components with greater confidence for underhood locations. It can potentially enable the use of plastic in slightly more demanding thermal niches, replacing more expensive metals or other specialty plastics, while maintaining cost-effectiveness. It also supports compliance with automotive OEM specifications that require proven long-term thermal performance data.

Representative Physical & Thermal Properties (Typical Values):

Property	Test Method	Typical Value	Unit
Melting Point	DSC	260 - 265	°C
Tensile Strength (Dry)	ISO 527	80	MPa
Flexural Modulus	ISO 178	3000	MPa
Impact Strength, Notched (Dry)	ISO 180	5	kJ/m²
Heat Deflection Temperature (1.8 MPa)	ISO 75	>90	°C
Relative Thermal Aging Index*	Long-term heat exposure test	Improved vs. standard PA66	-

*Note: Specific long-term thermal aging data (e.g., property retention after 1000h at 120°C) is available upon request. Typical values are for reference; exact values can vary based on processing conditions. Specific datasheets with comprehensive properties are provided for serious inquiries.

Trust & Commitment:

Shanghai Wenqin Plastics operates with a strong commitment to quality and reliability, supported by a ISO9001 quality management system. Our engagement with global automotive supply chains is reflected in our understanding of specific industry needs. We serve a diverse range of markets, including North America, Eastern Europe, Southeast Asia, and Eastern Asia, ensuring our products meet international expectations. Shipments are efficiently handled from major ports like Shanghai and Ningbo. For automotive manufacturers and molders looking for a reliable, heat-stabilized PA66 solution that enhances component longevity under thermal stress, our 1402SHXA1 granules offer a proven material choice. Contact us to discuss your specific application requirements, request detailed technical data sheets, or arrange for sample evaluation.

Frequently Asked Questions (FAQ):

Q: What exactly does "Heat Stabilized" mean for this PA66 grade?
A: "Heat Stabilized" indicates that this PA66 formulation contains additives specifically designed to inhibit thermal-oxidative degradation. When exposed to prolonged high temperatures, standard PA66 can experience chain scission and loss of properties. The stabilizers in 1402SHXA1 act to slow down this process, helping the material retain its strength, stiffness, and color over a longer period in hot environments like an automotive underhood.
Q: Is this material suitable for continuous use above 150°C?
A: PA66 has a melting point around 260°C, but its continuous use temperature is lower. While 1402SHXA1 offers improved thermal aging resistance, the maximum recommended continuous use temperature depends on the specific application, stress level, and required lifespan. For most underhood applications (typically below 140°C), it provides a significant advantage. For applications near or above 150°C, detailed thermal aging test data should be consulted to confirm suitability.
Q: Does the heat stabilization affect the molding process or require special settings?
A: Generally, no special molding settings are required. The stabilization package is designed to be process-friendly. It may even contribute to more stable melt viscosity during molding at higher temperatures. Standard PA66 molding parameters (temperature, pressure, cycle time) can be used as a starting point. Optimal settings for your specific tool and machine can be determined during trial runs.
Q: Can I get this material in different colors?
A: The standard supply is in natural (off-white) granules. Color masterbatches can be added during your molding process to achieve various colors. For pre-colored granules, this is a customizable option available upon request, subject to additional testing to ensure the colorants are compatible with the heat stabilization system and the underhood environment.
Q: Are there specific automotive OEM specifications or standards that this grade meets?
A: Many automotive OEMs have their own material specifications. While our grade is engineered for underhood applications, compliance with a particular OEM spec (e.g., from GM, Ford, Volkswagen, etc.) requires formal testing and approval by that OEM or their Tier 1 suppliers. We can provide our material data sheet to support your submission for such approvals. The grade is developed considering common requirements in the industry.
Q: What is the typical packaging and delivery format?
A: The granules are typically packaged in 25 kg sealed polyethylene bags to prevent contamination and moisture absorption. For larger orders, palletized packaging is available. Delivery times depend on order quantity and destination, with efficient logistics from our Shanghai/Ningbo port base.
Q: How does this compare to other heat-resistant plastics like PPA or PPS for underhood use?
A: PA66 is a cost-effective high-performance plastic. PPA and PPS offer higher continuous use temperatures but are generally more expensive. Our heat-stabilized PA66 1402SHXA1 provides an excellent balance, upgrading the thermal performance of standard PA66 to cover many underhood applications without stepping into the higher cost bracket of PPA/PPS, making it a value-optimized solution.
Q: Is technical support or sample material available?
A: Yes. We provide technical data sheets and can offer sample quantities for mold trials and evaluation. For new projects, we recommend conducting application-specific tests to validate performance. Our team is available to discuss your technical requirements.