Nylon 6 vs 66 Comprehensive comparison of plastic materials
What is Nylon 6?
Nylon 6, also known as PA6 (Polyamide 6), is a type of synthetic polymer belonging to the family of polyamides. It is a thermoplastic material that is widely used in various industries due to its desirable properties, such as high tensile strength, toughness, wear resistance, and good chemical resistance.
What is Nylon 66?
Nylon 66, also know as PA66 (Polyamide 66), also is type of synthetic polymer belonging to the family of polyamides. It is also a thermoplastic material that is suitable for demanding applications due to its exceptional durability and stability.
The Comparison of Nylon 6 vs 66
| Category | Characteristics | Nylon 6 (PA6) | Nylon 66 (PA66) |
| Physical Properties | Density (g/cm³) | 1.13 | 1.14 |
| Melting Point (℃) | 215 | 250 | |
| Tensile Strength (kg/cm) (Average humidity 65%) |
320 | 650 | |
| Elongation Strength (Average humidity 65%) |
320 | 260 | |
| Impact Strength （kg/cm） (Average humidity 65%) |
60 | 22 | |
| Stiffness (PSI) | 377 ,098 | 440.000 | |
| Water Absorption (%) | 2.7 | 2.5 | |
| Viscosity | lower | higher | |
| Moisture Absorption | Lower | higher | |
| Shrinkage | Lower | higher | |
| Machining Characteristics | Machinability | Better | More Challenging |
| Techniques | Conventional Techniques | Higher Cutting Speeds, Specialized tooling, More Coolling and chip control | |
| Tool Wear | Less | More | |
| Heat Generation Structure |
Less | More | |
| Chemical Composition | Structure | Simpler | More Complex |
| Chemical Composition | Chemical formula | Adipic Acid and Hexamethylenediamine Monomers | |
| Chemical formula | (-NH-[CH2]5-C(=O)-)n | (-NH-[CH2]6-NH-C(=O)-(CH2)4-C(=O)-)n | |
| / | Nylon Automotive Parts, Hammer Heads , Circuit Breakers, Nylon Pulley, and Nylon Gears, etc. |
Nylon Automotive Parts, Hammer Heads , Circuit Breakers, Nylon Pulley, and Nylon Gears, etc. |
In summary comparison of Nylon 6 vs 66, Nylon 6 is generally easier to machine and exhibits lower tool wear and heat generation. It is suitable for applications that prioritize machinability and dimensional stability. On the other hand, Nylon 66 offers higher mechanical strength, rigidity, and heat resistance, making it suitable for applications that require robust components.
Nylon is a popular engineering plastic material due to its machinability, low friction properties, dimensional stability, impact resistance, chemical resistance, lightweight nature, and versatility. These properties make nylon a popular choice for various CNC machining applications in industries such as automotive, aerospace, electronics, consumer goods, and more.
U-Need is specialized in nylon CNC machining based on advanced techniques (turning, milling, drilling, surface finishing, etc.) to meet various industrious.