Printed from Kezuriba (kezuriba.net/en/materials/pa66/)
PA66
ISO N (non-ferrous)Some makers: ISO O (other (outside the six ISO groups))Tool makers differ on the ISO workpiece group: MAPAL (machining group N4-1 "thermoplastics" under symbol N of DIN ISO 513, with PA given as an example): N[3]; Sandvik Coromant: O (Thermoplastics and thermosets are grouped under O (Other, outside ISO))[4]. Choose insert grades and data according to the maker of the tool you use.
Polyamide 66 (semi-crystalline engineering plastic). Extruded rod and sheet. Standard: ISO 16396-1 (designation of molding and extrusion materials), ASTM D5989 (extruded and cast nylon shapes), JIS K 6920-1.
📄Related standards (ISO, ASTM, JIS)
Standards that define the material or stock shapes. Standard texts are paid, so only titles and scopes checked on public pages are shown.
| Spec | Scope | Confidence |
|---|---|---|
| ISO 16396-1:2022 | Plastics — Polyamide (PA) moulding and extrusion materials — Part 1: Designation system and basis for specificationsFundamentals of designation and specification of polyamide molding and extrusion materials (the body text of the iso.org page could not be retrieved; confirmed from the title in search results) | One source / reference[6] |
| ASTM D5989-18 | Standard Specification for Extruded and Monomer Cast Shapes Made from Nylon (PA)Requirements for materials, dimensions and properties of extruded and monomer-cast nylon sheet, rod and round tube, and the test methods | Agrees in 2+ sources[7] |
| JIS K 6920-1:2018 | Designation of polyamide molding and extrusion materials (probably the corresponding standard to ISO, but the body text is not confirmed) | One source / reference[8] |
All ASTM standards on Kezuriba: ASTM standards quick reference.
📋Typical properties
Plastic properties vary with maker, grade and processing. These are makers’ published typical values, not guaranteed values. For design, check the data sheet of the grade you use.
| Property | Value | Test method | Source of value |
|---|---|---|---|
| Tensile strength | 90 MPa | ISO 527-1/-2 | Typical value (MCAM Nylatron 101/Ertalon 66SA, dry. The ASTM D638 value is 12,000 psi) One source / reference[1] |
| Tensile strength | 85 MPa | DIN EN ISO 527-2 (50mm/min) | Typical value (Ensinger TECAMID 66 natural. Tensile strength at yield is 84) One source / reference[2] |
| Flexural modulus | 3240 MPa | ISO 178 | Typical value (MCAM Nylatron 101/Ertalon 66SA) One source / reference[1] |
| Flexural modulus | 3100 MPa | DIN EN ISO 178 (2mm/min) | Typical value (Ensinger TECAMID 66 natural) One source / reference[2] |
| Rockwell hardness | M88 Rockwell M scale | ISO 2039-2 (the ASTM D785 value is M85) | Typical value (MCAM Nylatron 101/Ertalon 66SA) One source / reference[1] |
| Durometer hardness (Shore D) | 82 Shore D | DIN EN ISO 868 | Typical value (Ensinger TECAMID 66 natural) One source / reference[2] |
| Durometer hardness (Shore D) | 80 Shore D | ISO 868 / ASTM D2240 | Typical value (MCAM Nylatron 101/Ertalon 66SA) One source / reference[1] |
| Deflection temperature under load (1.8 MPa) | 85 ℃ | ISO 75-1/-2 Method A (the ASTM D648 value is 200°F) | Typical value (MCAM Nylatron 101/Ertalon 66SA) One source / reference[1] |
| Continuous use temperature (guideline) | 80 ℃ | Temperature at which tensile strength falls to about 50% after 20,000 hours in air (MCAM's definition) | Typical value (MCAM Nylatron 101/Ertalon 66SA) One source / reference[1] |
| Continuous use temperature (guideline) | 100 ℃ | Long-term use temperature (Ensinger. Test conditions not stated) | Typical value (Ensinger TECAMID 66 natural. Short-term is 170°C) One source / reference[2] |
| Coefficient of linear thermal expansion | 8.0 (23–60℃) / 9.5 (23–100℃) ×10⁻⁵/K | MCAM (units in the document are µm/(m·K); 80/95) | Typical value (MCAM Nylatron 101/Ertalon 66SA) One source / reference[1] |
| Coefficient of linear thermal expansion | 11 (23–60℃) / 12 (23–100℃) ×10⁻⁵/K | DIN EN ISO 11359-1;2 (longitudinal direction) | Typical value (Ensinger TECAMID 66 natural) One source / reference[2] |
| Water absorption (23°C water, 24 h) | 0.60 % | ISO 62 (φ50 × 3 mm disk. The ASTM D570 value is 0.30) | Typical value (MCAM Nylatron 101/Ertalon 66SA) One source / reference[1] |
| Water absorption (23°C water, 24 h) | 0.2–0.4 (24h / 96h) % | DIN EN ISO 62 | Typical value (Ensinger TECAMID 66 natural. Given as the 24 h and 96 h values side by side) One source / reference[2] |
| Water absorption (23°C water, saturation) | 8 % | MCAM (the ASTM D570 value is 7) | Typical value (MCAM Nylatron 101/Ertalon 66SA) One source / reference[1] |
| Melting point | 258–260 ℃ | ISO 11357 (DSC) | Typical value (MCAM Nylatron 101/Ertalon 66SA is 260; Ensinger TECAMID 66 natural is 258) Agrees in 2+ sources[1][2] |
⚖Density
1.15 g/cm³
Ensinger TECAMID 66 natural is 1.15; MCAM Nylatron 101/Ertalon 66SA has a specific gravity of 1.15 (ASTM D792). The MCAM ISO 1183-1 column gives 1.14
Calculate weight in PA66 →🏷Common trade names (makers)
Plastics are often called by a maker’s product name. Names are trademarks of their owners.
- Nylatron 101 / Ertalon 66SA (Mitsubishi Chemical Advanced Materials (MCAM))Nylatron and Ertalon are trademarks of Mitsubishi Chemical Advanced Materials (the document says "protected trademark"). The document notes that natural rod over 150 mm in diameter is made from modified PA66 resin[1]
- TECAMID 66 (Ensinger)Ensinger product name[2]
🔧Machinability notes (as stated in the sources)
- MCAM cutting guide (PA column; Ertalon/Nylatron): Turning: clearance angle 5–15°, rake angle 0–10°, feed 0.05–0.5 mm/rev, cutting speed 200–500 m/min. Milling: feed up to 0.5 mm/tooth, 200–500 m/min. Drilling: clearance angle 5–10°, rake angle 3–5°, point angle 90–120°, feed 0.1–0.3 mm/rev, 50–100 m/min[5]
- The MCAM document states that Nylatron 101/Ertalon 66SA is suited to machining on automatic lathes[1]
- For polyamides, raise feed and speed so the chips clear the cutting edge, which prevents chip build-up and wrapping. Extruded sheet warps if only one face is cut, so machine symmetrically about the centerline or cut grooves in the opposite face as well (MCAM)[5]
- Annealing (stress relief): for PA, hold temperature 160°C (170°C for Ertalon 4.6 and 66 GF30), heating rate 10–20°C/h, hold 10 min per mm of wall thickness, cooling 5–10°C/h (MCAM)[5]
- Guideline for dimensional change from water absorption: saturated water absorption in 23°C water is 8% (ISO) for MCAM Nylatron 101/Ertalon 66SA. Values are typical dry-state values[1]
📚Sources
Primary sources (public documents from makers, industry associations and standards bodies), numbered where each value is cited. Many are in Japanese.
- mcam.com https://www.mcam.com/mam/54343/GEP-Ertalon%E2%84%A2%2066SA%20PA66_en_US.pdf
- ensingerplastics.com https://www.ensingerplastics.com/en/shapes/pa66-tecamid-66-natural
- mapal.com https://mapal.com/medias/sys_master/root/hea/hd5/10787307716638/MMG-2025__EN/MMG-2025-EN.p…
- sandvik.coromant.com https://www.sandvik.coromant.com/en-us/knowledge/materials/workpiece-materials
- mcam.com https://www.mcam.com/mam/41701/MCG-Machinist-Toolkit-A4-EU-metric.pdf
- iso.org https://www.iso.org/standard/81940.html
- store.astm.org https://store.astm.org/d5989-18.html
- webdesk.jsa.or.jp https://webdesk.jsa.or.jp/link/lib/jis2025/index/319111.pdf
Other materials
Plastic