PA6 GF50 vs PA66 GF30: 0% composition overlap. Significantly different materials serving different application areas.
PA6 GF50 vs PA66 GF30
Side-by-side chemical composition and mechanical property comparison.
Overview
PA6 GF50
PA6 with 50% short glass fiber — maximum common GF loading. Very high stiffness (E-Mod ~16 GPa) and strength (UTS ~210 MPa dry) approaching short-fiber-reinforced thermoset territory. Very low elongation (2-3%). High moisture sensitivity retained from PA6 base. Trade names: Ultramid B3EG10 (BASF), Zytel 73G50 (DuPont). Used for structural automotive parts (front-end carriers, pedal brackets), industrial housings, and metal-replacement applications requiring maximum stiffness at minimum cost.
PA66 GF30
Polyamide 66 with 30% short glass fiber — stronger and more heat-resistant than PA6 GF30 due to higher-Tm base polymer. UTS ~190 MPa dry, HDT ~250°C. THE automotive under-hood material for structural brackets. Trade names include Ultramid A3WG6 (BASF), Zytel 70G30 (DuPont), Durethan AKV 30 (LANXESS), Technyl A218 V30 (Domo). Used for engine brackets, radiator end tanks, air intake manifolds, and electrical connectors.
| PA6 GF50 | PA66 GF30 | |
|---|---|---|
| Material Number | — | — |
| Category | Polymers | Polymers |
| Standard | ISO 527-1 | ISO 10350 |
Chemical composition (wt%) — Pro
| Element | PA6 GF50 | PA66 GF30 | Overlap |
|---|---|---|---|
| Polycaprolactam (PA6 base) | 48–52% | — | — |
| Glass Fiber (short) | 48–52% | — | — |
| Polyamide 66 (Base Polymer) | — | 68–72% | — |
| Glass Fiber Reinforcement | — | 28–32% | — |
Mechanical properties — Pro
| Property | PA6 GF50 | PA66 GF30 | Unit |
|---|---|---|---|
| Tensile Strength | 195–220 | 185–200 | MPa |
| Elongation | 2–3 | 3–4 | % |
| Elastic Modulus | 15000–17000 | 9.5–11 | MPa |
| Density | |||
| hdt_1_8mpa | |||
| Melting Point | |||
| Tensile Strength | |||
| Tensile Modulus | |||
| Elongation at Break | |||
| Charpy Impact (notched) | |||
| Density | |||
| Melting Point | |||
| HDT/A (1.8 MPa) | |||
| Water Absorption (24h) | |||
| Glass Fiber Content |
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PA6 GF50 and PA66 GF30 have significantly different compositions (0% overlap). These materials are not interchangeable and serve different application areas.
Automated assessment based on composition analysis
Frequently Asked Questions
Is PA6 GF50 the same as PA66 GF30?
PA6 GF50 and PA66 GF30 have a 0% composition overlap. They are generally not directly interchangeable.
Can I replace PA6 GF50 with PA66 GF30?
Generally not recommended. The compositions differ significantly (0% overlap). These materials have different alloying concepts and are intended for different applications.
What is the difference between PA6 GF50 and PA66 GF30?
The main differences are in the following elements: overall alloying content. PA6 GF50 is a Polymers grade, while PA66 GF30 is a Polymers grade.
Related Comparisons
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Data provided for reference only. Always verify against the applicable specification for critical applications.
All data is for reference only. Equivalents indicate similarity, not identity. Always verify against the applicable specification for safety-critical applications. materialref.com accepts no liability for decisions based on this data.