21SPC is a PA66 grade from Ascend, regularly exported by Ningbo Xianxunhe New Materials. Typical characteristics: High strength · Heat resistant. Typical applications: Automotive part, electrical connector, zip tie.
Key typical values of 21SPC: density 1.14 g/cm³ · and tensile strength 83 MPa. All figures are manufacturer typical values for material selection reference — request the original TDS/COA before using them as purchase specifications.
We supply 21SPC on FOB Ningbo terms with a 1-ton MOQ and free samples (0.5–2 kg) for lab validation. In-stock grades are dispatched within 48 hours.
| Density | 1.14 g/cm³ | ASTM D792 / ISO 1183 | |
|---|---|---|---|
| Water absorption | 1.5 % | ASTM D570 / ISO 62 |
| Tensile strength | 83 MPa | ASTM D638 / ISO 527 | |
|---|---|---|---|
| Elongation at break | 35 % | ASTM D638 / ISO 527 | |
| Flexural modulus | 3100 MPa | ASTM D790 / ISO 178 | |
| Flexural strength | 125 MPa | ASTM D790 / ISO 178 | |
| Izod impact, notched | 5.5 kJ/m² | ASTM D256 / ISO 180 | |
| Charpy impact | 7 kJ/m² | ISO 179 | |
| Hardness | R 120 | ASTM D785 |
| HDT (0.45 MPa) | 85 °C | ASTM D648 / ISO 75 | |
|---|---|---|---|
| Vicat softening point | 235 °C | ASTM D1525 / ISO 306 | |
| Melting point | 258 °C | ISO 11357 |
⚠ Hygroscopic material — drying is mandatory; residual moisture causes hydrolytic degradation and silver streaks.
Values above are industry-typical starting points — fine-tune according to part geometry, wall thickness and equipment.
21SPC has a typical density of 1.14 g/cm³ (ISO 1183).
The tensile strength of 21SPC is 83 MPa (ISO 527).
The notched impact strength of 21SPC is approximately 5.5 kJ/m² (ISO 180/179).
The HDT of 21SPC (1.8 MPa, unannealed) is 85 °C (ISO 75).
The Vicat softening temperature of 21SPC is 235 °C (ISO 306).
21SPC is produced by Ascend (origin: USA). Xianxunhe supplies it as a trading partner with complete export documentation (COA, TDS on request).
Typical applications of 21SPC: Automotive part, electrical connector, zip tie.
MOQ is 1 ton, FOB Ningbo. In-stock grades dispatch within 24–48 hours; free samples (0.5–2 kg) are available for testing.
Datasheet values are compiled from manufacturer data sheets and third-party test reports, for reference only and without warranty of any kind. Please request the official TDS/COA from the manufacturer and test sufficiently before material selection. The COA of the shipped lot prevails.. Note: MFR test conditions may differ between grades and manufacturers, so MFR values are not directly comparable.
Tell us the resin, grade and quantity — we reply with a formal quotation within 12 hours.