PA-BASF Ultramid A3EG10
Substituted for die-cast zinc and structural aluminum alloys in structural components subject to extreme mechanical stress and high fatigue loads, BASF’s Ultramid A3EG10 provides an uncompromised solution. This 50% glass fiber reinforced polyamide 66 (PA66-GF50) grade delivers a massive dry-as-molded (DAM) tensile strength of 230 MPa and an elastic modulus of 16,500 MPa, pushing the boundaries of plastic structural performance. At Jucheng Precision, an ISO 9001 and IATF 16949 certified manufacturer, we specialize in high-precision molding of Ultramid A3EG10. Utilizing 5-axis CNC-machined H13 steel toolings, we control its anisotropic shrinkage (0.3% parallel, 0.7% perpendicular) and prevent surface float fibers, ensuring zero-defect structural parts verified by Zeiss CMM.
Ultramide A3EG10 Mechanical Stiffness & Extreme HDT Profile
Ultramid® A3EG10 is a 50% glass fiber reinforced semi-crystalline PA66 injection molding grade engineered by BASF, formulated to provide outstanding strength, maximum rigidity, and excellent heat resistance under ISO/ASTM standards:
| Physical & Strength Parameter | Ultramid A3EG10 Value (DAM / ISO) | Metal Replacement Advantage |
|---|---|---|
| Structural Rigidity | Tensile Modulus 16,500 MPa / Strength 230 MPa | Delivers metal-matching modulus and creep resistance, allowing it to substitute die-cast zinc and structural aluminum. |
| Heat Deflection (HDT) | 250 °C (DAM @ 1.80 MPa) | Retains outstanding structural stiffness and shape under continuous thermal load in high-heat engine environments. |
| Crystallinity Dimensional stability | Water Absorption 1.9% (Equilibrium 50% RH) | Excellent dimensional stability compared to standard PA66, ensuring low expansion variables. |
Structural Process Configurations for 50% GF Ultramid A3EG10
With its high molecular orientation and extreme glass fiber reinforcement, Ultramid A3EG10 supports structural configurations:
| Molding Technology Class | Process Compatibility & Operational Details |
|---|---|
| Structural Bracket Molding | Excellent. Fully optimized for high-strength engine mount brackets, structural cooling frames, and heavy-duty agricultural machine links. |
| Heavy-Duty Industrial Housings | Excellent. Perfect for high-pressure water pump housings, chemical valve bodies, power tool frames, and heavy industrial gearboxes. |
| Insert & Fastener Molding | Excellent. High tensile strength and modulus are ideal for encapsulating metal brass threaded inserts, bolts, and mounting flanges. |
High-Filled GF Wear & Shrinkage Matrix
Molding an ultra-high heat resistant, 50% glass-fiber reinforced PA66 like Ultramid A3EG10 requires strict mold temperature control and abrasive-wear prevention:
Controlling High Abrasive Tool Wear
50% short glass fibers act as an aggressive grinding agent under high injection pressures and high melt viscosity. Jucheng’s tooling division prevents cavity erosion by constructing molds with premium hardened tool steel (H13 or S136) heat-treated to 52 HRC, combined with nitriding or PVD wear-resistant ceramic coatings to ensure mold longevity.
Warp-Free Isotropic Shrinkage Control
Because of the 50% glass fibers, Ultramid A3EG10 shrinks extremely low in the flow direction (0.30%) but higher perpendicular to the flow (0.70%). We utilize 5-axis CNC machines to cut precise mold cavities and balance cooling paths managed by pressurized water controllers, preventing uneven thermal contraction and structural warping.
Water-Heated Mold Temperature Matrix (Crystallization Control)
We maintain mold temperatures at 80°C–120°C using pressurized oil/water temperature controllers. High mold temperatures maximize surface gloss, reduce weld lines, and prevent surface glass-fibers from floating, ensuring a smooth and non-fibrous finish.
Desiccant Drying & Volatiles Exhaust
We dry raw resin in desiccant hopper dryers at 80°C–100°C (176°F–212°F) for 4–6 hours. This eliminates surface splay and prevents weld-line micro-voids, keeping internal moisture strictly below 0.10% (ideally <0.08% for heavy load parts). Precise venting slots (0.015mm depth) are cut along parting lines to exhaust gas during high-melt runs.
Key Application Fields for PA-BASF Ultramid A3EG10
- Automotive Powertrains & Brackets (IATF 16949): High-strength engine mount brackets, radiator water tanks, structural cooling frames, oil pans, and accelerator pedals.
- Heavy Industrial & Powertools: Professional power tool housings, drop-resistant circular saw frames, chemical pump impellers, dynamic conveyer rollers, and industrial gearboxes.
- Smart-Grids & Electrical Infrastructure: Heavy-duty high-voltage circuit breakers, terminal blocks, electrical switchgear brackets, and smart-grid meter frames.
Properties
| Density | 1.56 g/cm³ |
| Melting Temperature | 260 °C |
| Tensile Modulus (DAM) | 16,500 MPa |
| Tensile Modulus (Conditioned) | 11,500 MPa |
| Tensile Stress at Break (DAM) | 230 MPa |
| Tensile Stress at Break (Conditioned) | 160 MPa |
| Flexural Strength (DAM) | 350 MPa |
| Flexural Modulus (DAM) | 15,000 MPa |
| Charpy Notched Impact Strength (23°C) | 11 kJ/m² |
| Water Absorption (Equilibrium, 50% RH) | 1.9 % |
| Heat Deflection Temperature (HDT @ 1.80 MPa, DAM) | 250 °C |
| Linear Mold Shrinkage (Flow Direction) | 0.3 % |
| Linear Mold Shrinkage (Cross Direction) | 0.7 % |
| Maximum Part Size | 1000 x 800 mm |
| Minimum Part Size | 1 x 1 mm |