BASF Ultramid A3X2G5 PA 66 | GF25
Material attribution: ·25% glass fiber reinforced ·Red phosphorus flame retardant
Package: 25KG/Bag
Process: Injection molding
Application: Electrical parts
Package: 25KG/Bag
Process: Injection molding
Application: Electrical parts
BASF Ultramid A3X2G5 PA 66 pellet Description
Ultramid A3X2G5 is a 25% glass fiber reinforced polyamide 66 resin pellet produced by BASF. Also known as"GF25 PA 66"or"GF nylon 66,"this material has excellent mechanical properties, strong rigidity, and good electrical insulation. It also contains a red phosphorus flame retardant, which provides good flame retardancy. A3X2G5 nylon 66 is often used in the production of electrical components.

⚠️Please note that BASF A3X2G5 PA 6,6 contains red phosphorus flame retardants. As shown in the image on the left, its natural color is an opaque dark red, which may result in significant color differences when used in light-colored products. Therefore, its use in light-colored or white applications is not recommended.
Available in natural color and black
BASF Ultramid A3X2G5 PA 66 pellet Advantage
- GF25 PA material, Ultramid A3X2G5 PA 66 material contains 25% glass fiber reinforcement, giving it higher rigidity, hardness and flame retardancy
- Red phosphorus flame retardant system: Compared with conventional flame retardant ingredients, the red phosphorus flame retardant ingredient contained in Ultramid A3X2G5 PA 66 material has a better flame retardant effect and also meets environmental requirements. Without adding any additional flame retardants, the UL94 V-0 5VA flame retardant effect can be achieved at a test thickness of 3.0mm.
- High heat resistant nylon material. Compared with conventional nylon materials, A3X2G5 PA 66 has stronger high-temperature resistance. The heat deformation temperature under the test pressure of 1.8MPa reaches 240℃. It can work in a high-temperature environment of 157℃ for more than 5000 hours. It is suitable for high-heat electrical parts such as relays and circuit breakers.
- Excellent mechanical properties. Due to the reinforcement of glass fiber, Ultramid A3X2G5 nylon 66 material has a tensile modulus of up to 8000MPa and a flexural modulus of 7000MPa in the dry state. Its strong mechanical strength makes it widely used in high-performance engineering fields.
Why choose Baiyou as BASF Ultramid A3X2G5 PA 66 pellets supplier?
- Leading glass fiber filled polyamide 66 resin pellets supplier (GF25 Nylon) , 20+ years of experience in plastic product manufacturing and chemical raw material import and export
- Fastest Arrival, with warehouses in multiple ports
- 1,000+ types of resins are available, and we have cooperated with large petrochemical groups for 30+ years
- Free Samples for production testing
- Wholesale price, even a piece of goods is based on the wholesale price
Key Attributes
| BASF Ultramid A3X2G5 PA 66 | ||||
| Product information | ||||
Manufacturer | BASF corporation | |||
Part Marking Code | >PA 66 material< | |||
Material Shape | ·PA 66 pellets | |||
| Flame retardant | ·HB V-0 5VA | |||
| Viscosity | Low viscosity | |||
Material Attribute | ·25% glass fiber reinforced ·Red phosphorus ·Injection molding grade ·Heat stabilized grade | |||
| Specification | ·UL ·UL-426C F2 | |||
Features | ·High flow ·Good mechanical properties ·High stiffness ·Good electrical properties | |||
| Additives | ·Flame retardant agent of red phosphorus ·Mold release | |||
| Physical properties | Standard | Value | Unit | |
Density | ISO 1183 | 1.34 | g/cm³ | |
| Shrinkage | Internal method | 0.55 | % | |
| Shrinkage flow | ISO 294 | 0.39 | % | |
| Shrinkage xflow | ISO 294 | 1.04 | % | |
Water absorption 23℃ saturation in water | ISO 62 | 5.7~6.3 | % | |
| Melt index 275℃ 5kg | ISO 1133 | 30 | cm³/10min | |
| Viscosity number 0.5% in 96% H2SO4 | ISO 307 | 140 | cm³/g | |
Mechanical behavior | Standard | Dry | Wet | Unit |
Tensile modulus | ISO 527 | 8000 | 6000 | MPa |
| Tensile strength break | ISO 527 | 140 | 100 | MPa |
| Elongation break | ISO 527 | 3 | 4.5 | % |
| Tensile creep modulus 1000hr 23℃ 0.5% strain | ISO 899 | 3500 | MPa | |
| Flexural modulus | ISO 178 | 7100 | MPa | |
| Izod notch impact 23℃ | ISO 180 | 12 | 17 | kJ/㎡ |
| Charpy notch impact 23℃ 1eA | ISO 179 | 13 | 17 | kJ/㎡ |
| Charpy un-notch impact 23℃ | ISO 179 | 65 | 70 | kJ/㎡ |
| Charpy un-notch impact -30℃ | ISO 179 | 60 | 65 | kJ/㎡ |
Thermal | Standard | Value | Unit | |
Heat deflection temperature (HDT) 1.8MPa | ISO 75 | 240 | ℃ | |
Heat deflection temperature (HDT) 0.45MPa | ISO 75 | 250 | ℃ | |
Melting temperature DSC | ISO 11357 | 260 | ℃ | |
CLE Flow 23~80℃ | ISO 11359 | 2.5E-5~3.5E-5 | m/m/K | |
CLE xFlow 23~80℃ | ISO 11359 | 6E-5~8E-5 | m/m/K | |
| Heat conductivity coefficient | DIN 52612 | 0.33 | W/(m·K) | |
| Specific heat | Internal method | 1500 | J(kg·K) | |
| Service temperature short time | Internal method | 220 | ℃ | |
| Service temperature 5000hr | IEC 60216 | 157 | ℃ | |
| Service temperature 20000hr | IEC 60216 | 139 | ℃ | |
Electrical properties | Standard | Dry | Wet | Unit |
Volume resistivity | IEC 62631 | 1E+13 | 1E10 | Ω·cm |
| Surface resistivity | IEC 62631-3-2 | 1E10 | Ω | |
Dielectric strength 60*60*1mm K20/K20 | IEC 60243 | 33 | 30 | KV/mm |
| Dielectric constant 1MHz | IEC 62631-2-1 | 3.7 | 5 | |
| Dissipation factor 1MHz | IEC 62631-2-1 | 0.02 | 0.1 | |
| CTI solution A | IEC 60112 | 500 | V | |
Flammability | Standard | Value | Unit | |
Flame rating natural color / Black 0.40mm | UL94 | HB | ||
| Flame rating natural color / Black 0.60mm | UL94 | HB | ||
| Flame rating natural color / Black / Gray 0.81mm | UL94 | V-0 | ||
Flame rating natural color / Black / Gray 1.5mm | UL94 | V-0 | ||
| Flame rating natural color / Black / Gray 3.0mm | UL 94 | V-0 5VA | ||
| GWFI 0.8mm | IEC 60695 | 960 | ℃ | |
| Limiting oxygen index | ISO 4589 | 27 | % | |
| Injection molding | Standard | Value | Unit | |
| Melt temperature | 280~300 | ℃ | ||
| Mould temperature | 60~90 | ℃ | ||
⚠️BASF Ultramid A3X2G5 Nylon 66 material specifications from BASF Corporation, if there are any differences, please refer to the official BASF website for details
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Quantity (tonnes) | 1-100 | 100-300 | >300 |
Lead time (days) | 7-10 | 10-15 | To be negotiated |

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