Nylon 6 vs 66
Discover the nylon showdown: Nylon 6 vs. Nylon 6/6! Uncover their shared strengths, contrasting structures, and find out where each reigns supreme in industries like automotive, fashion, and beyond.
Polyamide 66 (PA66, Nylon 66) is produced by reacting hexamethylene diamine and adipic acid. Nylon 66 is a semi-crystalline engineering resin that offers a good balance of mechanical and thermal properties, impact resistance, chemical resistance, and low friction and wear. Nylon 66 is processed by all common processing methods.
Typical applications for nylon 66 include interior, exterior and under-hood automotive components, electrical and electronic components, connectors, office furniture, cutlery and cooking utensils, lawn and garden tools, fiber and filaments, and film.
ABOUT
Polymer Characteristics
- Good strength and stiffness
- Good temperature resistance
- Good impact / toughness
- Good chemical resistance
- Good tribological properties
- Good creep resistance
Grades
- Glass fiber
- Glass bead
- Aramid fiber
- Carbon fiber
- Glass fiber/mineral reinforced
- Mineral
- Flame retardant
- UV stabilized
- Hydrolysis resistant grades
- Impact modified
- Nucleated
- Lubricated
- Heat stabilized
Processing Methods
- Injection molding
- Extrusion
- Co-extrusion
- Blow molding
- Film
Typical Applications
- Connectors, switches
- Brackets, housings
- Intake manifolds, radiator tanks, door handles, mirror housings
- Gears, cams, bearing
- Vacuum cleaner handle
- Fasteners
- Power tool housings
- Metal replacement
Nylon 6 versus 66
Nylon 66 has these advantages over Nylon 6:
- Higher temperature resistance
- Higher strength
- Higher stiffness
- Lower moisture absorption
- Better abrasion resistance
Nylon 6 has these advantages over Nylon 66:
- Slightly lower density
- Better toughness
- Better surface appearance
- Lower processing temperature
In many applications, Nylon 6 and Nylon 66 can be interchangeable.
RELATED DOCUMENTS
Nylon 66 vs. Nylon 6 vs. PBT. Material Selection Guide.
A comparison of these high performance materials that can be used to choose between temperature resistance, strength, moisture absorption and more.
Nylon 66 General Processing Guidelines
Nylon 66 is a very widely used plastic material and our Nylon 66 General Processing Guidelines can help you better understand the subtleties of processing nylon 66 to produce high quality parts.
Nylon Chemical Resistance Guide
Are you considering Nylon 6 or Nylon 66 for your next project? While nylon offers excellent resistance to many chemicals, you will want to review our Nylon Chemical Resistance Guide to help you determine if nylon will meet your chemical resistance needs.
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