PA6 (Polyamide 6, nylon 6, polycaprolactone)
Polyamide 6 derives from the caprolactone closed-loop monomer which has 6 carbon atoms and, during polymerization, the ring opens.
PA6 is robust, has excellent resistance to abrasion, good chemical and fatigue resistance, smoothness, resilience, solidity and high rigidity.
PA6 CAS Number: 25038-54-4
PA6 (IUPAC) Chemical Name: poly[imino(1-oxohexane-1,6-diyl)]
PA6 Recycling Code: numero 7
PA6 Recycling Symbol:
PA6 commercial names and producers:
- Novamid (DSM)
- Danamid (Zoltek)
- Polimid B (Poliblend)
- TecnhylStar (Solvay Engineering)
- Ultramid (BASF)
- Akulon (DSM)
- Ravamid (Ravago)
- Durethan (Lanxess)
- Scanamid (Polykemi)
- Domamid (Domo)
- LG Chemical (Lumid)
PA6 European Distributors:
- BIGLER (Radilon, Heramid)
- XIFA (Starflam, Staramid)
- Polymer Service (Econamid, Domamid)
- Schulman (Schulamid, Matrixx, Lucent, Fiberfil, Ferro nylon, Accutech, Accucomp)
- Mega Polymers (Akulon, Altech, Durethan, Frianyl, Grilon, Heramid, Kelon, Minlon, Plustek, Radiflam, Radilon, Schulamid, Technyl, Ultramid, Zytel,)
- Tekuma (HiPrene, Niretan, Tekumid)
- KD Feddersen (Akromid)
- PolyOne (Bergamid, Edgetek, Gravi-tech, LubriOne, Minlon, Nylene, Nymax, OnForce, Zytel)
- ALBIS (Alcom, altech, Durethan, Latamid, Terblend, Ultramid)
- Biesterfield (Zytel)
- Nexeo (Colorfast, Durethan, Electrafil, Fiberfil, HiFill, Colorcomp, Lubricom; Thermocomp, Thermotuf, Verton, Plaslube, Rhelon, Ultramid)
- RESINEX (Akulon, Akulon Ultraflow, Ravamid, Technyl, Technyl Star)
- Ultrapolymers (Ultramid, Domamid, Econamid, Staramide, Starflam, Laticonther, Latigloss, Latigray, Latilub, Latimass, Latiohm, Latistat, Latamid, Luvocom, Ravamid, Stat-Kon, ThermoComp, Konduit, LubriComp)
PA6 Main compounds:
- PA6-GF30 (nylon 6 30% fibre glass)
- PA6-GF25 FR (nylon 6 25% fibre glass with flame retardant)
- PA6-CF10 (nylon 6 with 10% carbon fibre)
- PA6-T15 (nylon 6 qith 15% talc)
- PA6-MF10 (nylon 6 with 10% mineral fibre)
Chemical and physical properties:
The chemical and physical properties of nylon 6 are similar to those of PA66. The melting point, however, is lower than that of PA66, and the processing temperature range is wider.
Resilience and solvent resistance are better than PA66, but moisture absorption is greater.
Moisture absorption affects many properties and this feature must be taken into consideration when designing the components. To improve its mechanical properties it is possible to use different modifying agents; glass is one of the most commonly used fillers. The addition of elastomers, for example EPDM or SBR, improves their resilience. Since PA6 absorbs moisture quickly, it is necessary to verify its drying before molding.
History and trivia on nylon 6
The advent of the Second World War brought a substantial increase in the production and research of polymers. Nylon was invented by W.H. Carothers, at the time a young 30-year-old just graduated from Harvard, together with his research team at the DuPont company.
At that time, in fact, the US had to quickly solve the problem concerning imports of silk from China, blocked by Japan. Actually, in addition to its most well-known and common uses, silk was used during the war to produce parachutes.
On February 28 1935, the artificial fiber known as Polyamide was synthesized for the first time. A robust, tenacious, elastic fiber, durable when washed, repellant to mold, bacteria and insects, non-toxic and very resistant even at temperatures of over 200 degrees.
Legend has it that the name Nylon derives from "Now You Lose Old Nippon".
Without nylon today we would not have products like toothbrushes, velcro, Cordura, backpacks and tights. To date, Polyamide with its many variants (nylon 6.6, nylon 6, nylon 3, nylon 7, nylon 11, nylon 12) is one of the most important polymers and is mainly used in automotive and textile applications.
PA6 standard density: 1,06-1,16 g/cm3 (ISO 1183)
PA6 melting point Tm: 220 °C
PA6 glass transition temperature Tg: 55 °C
PA6 market applications
- Textile fibre
- Structural applications
- Automotive
- Electronics
- Construction
- Industrial components
- Sport
- Helmets parts
- Washers
- Gears
- Engines and engine parts
- Slides
- Fasteners
- Flanges
- Flexible tubing
- Fans
PA6 transformation technologies
- Injection molding
- Extrusion
- Compounding
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PA6 First choice - Slow moving | EMSODUR N 1 MM NATURALE | granule/pellet | Natural / Neutral | 360 Kg | bags on pallet | 3.68 €/Kg | |
PA6 First choice - Slow moving | PA6 ALTA VISCOSITA' NAT. | granule/pellet | Natural / Neutral | 10000 Kg | octabin | 2.20 €/Kg | |
PA6 First choice - virgin | POLIMID B AV NATURALE | cylindrical granule/pellet | Transparent | 1250 Kg | bags on pallet | 2.55 €/Kg | |
PA6 Recycled /Regrinded | - | cylindrical granule/pellet | Black | 20000 Kg | bags on pallet | 1.70 €/Kg | |
PA6 First choice - Slow moving | RUGOPA M13 101 NC03 | granule/pellet | Natural / Neutral | 950 Kg | bags on pallet | 1.80 €/Kg | |
PA6 Off specs | UBE Nylon 1030 B | granule/pellet | Transparent | 24000 Kg | octabin | 1.70 €/Kg | |
PA6 First choice - Slow moving | RADILON S 40E 100 NT | granule/pellet | Natural / Neutral | 2500 Kg | bags on pallet | 1.95 €/Kg | |
PA6 First choice - Slow moving | NEVIEL PA 7568 NERO | granule/pellet | Black | 350 Kg | bulk bags | 4.00 €/Kg | |
Polymer PA6 EMSODUR N 1 MM NATURALE | 360 Kg | 3.68 €/Kg | |
Polymer PA6 PA6 ALTA VISCOSITA' NAT. | 10000 Kg | 2.20 €/Kg | |
Polymer PA6 POLIMID B AV NATURALE | 1250 Kg | 2.55 €/Kg | |
Polymer PA6 | 20000 Kg | 1.70 €/Kg | |
Polymer PA6 RUGOPA M13 101 NC03 | 950 Kg | 1.80 €/Kg | |
Polymer PA6 UBE Nylon 1030 B | 24000 Kg | 1.70 €/Kg | |
Polymer PA6 RADILON S 40E 100 NT | 2500 Kg | 1.95 €/Kg | |
Polymer PA6 NEVIEL PA 7568 NERO | 350 Kg | 4.00 €/Kg | |
Polymer List
Polimeri attualmente disponibili su PlasticFinder Wiki:
- ABS (Acrilonitrile Butadiene Stirene)
- Ecoallene
- HDPE (Polietilene ad alta densità)
- LDPE (Polietilene a bassa densità)
- PA6 (Poliammide 6, nylon 6)
- PA66 (Poliammide 66, nylon 6-6, nylon 6/6 o nylon 6,6)
- PA12 (Poliammide 12, nylon 12)
- PBT (Polibutilene Tereftalato)
- PC (Policarbonato)
- PET (Polietilen Tereftalato)
- PMMA (Polimetilmetacrilato)
- POM (Polimetilmetacrilato)
- PP (Polipropilene - Polipropene)
- PVC (Cloruro di Polivinile)