Cross-flow, axial, and centrifugal fan blades are the critical air-delivery components of residential wall-mounted units, floor-standing cabinets, VRF systems, and commercial refrigeration units. Operating continuously under high-speed rotation, thermal cycling, and constant vibration, unmodified plastics frequently suffer from heat deformation, rotation noise, cracking, and dimensional drift—reducing airflow efficiency and shortening product lifespan.
To overcome these severe operational challenges, Qingdao Zhongxin Huamei Plastic Co., Ltd. supplies specialized Glass Fiber Reinforced AS (Acrylonitrile-Styrene / SAN) resin engineered specifically for high-precision HVAC fan blade injection molding.
Core Mechanical, Thermal & Acoustic Advantages for HVAC Fan Blades
Our specialized GF-AS compound ensures optimal dynamic balance, low-noise operation, and long-term durability across extreme hot and cold operating cycles:
[Continuous High-Speed Rotation] ➔ [Glass Fiber AS Matrix] ➔ [Zero Thermal Warpage & HDT >102°C] ➔ [Vibration Suppression & Low-Noise Airflow]
Outstanding Dynamic Balance & Low-Noise Delivery: High thermal stability allows molded fan blades to maintain precise dynamic balance even during high-heat heating modes. This suppresses high-speed rotational chatter, delivering quiet and consistent airflow.
High Strength & Fatigue Defense: Achieves a tensile strength up to 130 MPa with superior fatigue and impact resistance. Handles tens of millions of start-stop cycles without warping, creep deformation, or structural cracking.
Precision Dimensional Control (0.2%–0.6% Shrinkage): A stable molding shrinkage rate of 0.2%–0.6% combined with a Heat Deflection Temperature (HDT) exceeding 102°C accommodates complex, thin-walled, aerodynamic blade geometries.
5% Yield Rate Improvement: Excellent flowability and batch-to-batch consistency suit automated molding lines, reducing scrap rates and boosting finished component yields by approximately 5%.
Global Environmental Compliance: Fully satisfies RoHS environmental standards, meeting strict global export regulations for home appliances.
Technical Specification Overview: Glass Fiber Reinforced AS Resin
| Performance Metric | Tested Engineering Value | Primary Application & Manufacturing Benefit |
| Material Base Classification | Glass Fiber Reinforced AS (SAN) Resin | High-rigidity reinforced styrene-acrylonitrile compound. |
| Tensile Strength | Up to 130 MPa | High mechanical load-bearing capability under rapid rotation. |
| Heat Deflection Temp (HDT) | > 102°C | Prevents blade warpage under continuous high-heat heating cycles. |
| Molding Shrinkage Rate | 0.2% – 0.6% | High dimensional stability for thin-walled, complex airfoils. |
| Environmental Standard | RoHS Compliant | Meets global appliance export hazard regulations. |
| Target End-Use Component | Cross-flow, Axial, Centrifugal Blades | Suitable for residential AC, commercial HVAC, and automotive wind blades. |
Partner with a Certified Source Compounding Factory
Selecting unverified fan blade raw materials leads to rotational imbalance, noise complaints, and blade cracking. Qingdao Zhongxin Huamei Plastic Co., Ltd. is a 30-year modified engineering plastics source factory founded in May 1997 as an official joint venture with CHIMEI. Recognized as a certified National High-Tech Enterprise and National Little Giant Enterprise, we integrate custom compounding, precision color matching, and full physical testing.
Maintaining long-term material supply partnerships with industry leaders—including Midea, Gree, Hisense, Haier, and AUCMA—we formulate custom GF-AS plastic granules with tailored glass fiber content, colors, and strength grades to optimize manufacturing efficiency.
Request a Technical Datasheet & Custom Sample Batch
Direct Compounding Source: Qingdao Zhongxin Huamei Plastic Co., Ltd.
Global Hotline Support & WhatsApp: +8618765279757 (WeChat Available)
Official Corporate Email: info@qdzxhm.com.cn
Approved Commercial Shipping Terms: FOB / EXW Direct Factory Dispatched Only
Custom Sourcing Services: Tailored Glass Fiber Content (10%–30%), Flame Retardant Upgrades, Custom Color Matching, and Melt Flow Adjustments for Multi-Cavity Molds.
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