PA12 (Nylon 12)
Polyamide 12 — the long-chain polyamide with the lowest moisture absorption of all PA grades (0.1-0.15% vs PA6: 1.5%). Excellent dimensional stability in humid environments. Best chemical resistance among polyamides (oils, fuels, hydraulic fluids). Lowest density of all PA (1.01 g/cm³). Also the dominant 3D printing (SLS/MJF) material. Trade names include Rilsamid (Arkema), Grilamid L (EMS), TECAMID 12 (Ensinger), Vestamid L (Evonik). Used for fuel lines, brake lines, pneumatic tubing, cable sheathing, and 3D-printed functional parts.
International equivalents
| Flag | Standard | Country | Grade | Number | Match |
|---|---|---|---|---|---|
| ISO | INT | PA12 | — | REF | |
| 🇫🇷 | TRADE | France | Rilsamid (Arkema) | — | 95% |
| TRADE | CH | Grilamid L (EMS-Grivory) | — | 95% | |
| 🇩🇪 | TRADE | Germany | Vestamid L (Evonik) | — | 95% |
Sources: ISO 1874-1, Arkema TDS, EMS TDS, Evonik TDS
Mechanical properties — Pro
Dry As Molded
| Property | Value | Unit |
|---|---|---|
| Tensile Strength | ||
| Yield Strength | ||
| Elongation | ||
| Elastic Modulus | ||
| Density | ||
| Melting Point | ||
| Water Absorption (24h) |
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