PA66 (Nylon 66) vs PA66 GF30: 0% composition overlap. Significantly different materials serving different application areas.
PA66 (Nylon 66) vs PA66 GF30
Side-by-side chemical composition and mechanical property comparison.
Overview
PA66 (Nylon 66)
Polyamide 66 — stiffer and more heat-resistant than PA6. Higher crystallinity gives better creep resistance and ~40°C higher melting point (260°C vs 220°C). Slightly more brittle. More moisture-sensitive at saturation than PA6. Trade names include Ultramid A (BASF), Zytel 101 (DuPont), Tecamid 66 (Ensinger). Dominant in US/UK markets. Used for automotive engine components, electrical connectors, gears, cable ties, and industrial bushings.
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.
| PA66 (Nylon 66) | PA66 GF30 | |
|---|---|---|
| Material Number | — | — |
| Category | Polymers | Polymers |
| Standard | ISO 10350 | ISO 10350 |
Chemical composition (wt%) — Pro
| Element | PA66 (Nylon 66) | PA66 GF30 | Overlap |
|---|---|---|---|
| Hexamethylenediamine unit | 45–55% | — | — |
| Adipic Acid unit | 45–55% | — | — |
| Polyamide 66 (Base Polymer) | — | 68–72% | — |
| Glass Fiber Reinforcement | — | 28–32% | — |
Mechanical properties — Pro
| Property | PA66 (Nylon 66) | PA66 GF30 | Unit |
|---|---|---|---|
| Tensile Strength | 80–90 | 185–200 | MPa |
| Yield Strength | 80–85 | — | MPa |
| Elongation | 15–40 | 3–4 | % |
| Elastic Modulus | |||
| Density | |||
| Melting Point | |||
| Glass Transition Temp (Tg) | |||
| Water Absorption (24h) | |||
| Tensile Strength | |||
| Tensile Modulus | |||
| Elongation at Break | |||
| Charpy Impact (notched) | |||
| Density | |||
| Melting Point | |||
| Glass Transition Temp | |||
| Water Absorption (24h) | |||
| Water Absorption (saturation) | |||
| hdt_1_8mpa | |||
| HDT/A (1.8 MPa) | |||
| Glass Fiber Content |
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PA66 (Nylon 66) 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 PA66 (Nylon 66) the same as PA66 GF30?
PA66 (Nylon 66) and PA66 GF30 have a 0% composition overlap. They are generally not directly interchangeable.
Can I replace PA66 (Nylon 66) 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 PA66 (Nylon 66) and PA66 GF30?
The main differences are in the following elements: overall alloying content. PA66 (Nylon 66) 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.