Questions & Answers
Carbon prepreg grades
Carbon prepregs are produced in the following grades: SP110, SE84LV, SE70, ET445, BT250, BT250E, UMS45, IMS65, HTA40, MR40, MR35, TR50, TR30, 3960, 3900-3, 3900-2, 2510, M55J, M40J, T1000G, T800H, T700SC, T700S, T300.
Carbon Prepreg Standards
International standards:
ISO 3597 — Mechanical properties of carbon fiber reinforced plastics;
ISO 1268 — Composite technologies;
ISO 10618 — Carbon fiber test methods;
ISO 1183 — Prepreg density;
ISO 1172 — Resin and fiber content;
ISO 14129 — Shear properties;
ISO 14126 — Compression testing;
ISO 14125 — Flexural testing;
ISO 527 — Tensile testing.
Carbon Prepreg Weight Chart
Weight of carbon prepregs depending on types
| Prepreg type | Weight, g/m² |
| Ultra Light UD | 30–80 |
| Light UD | 80–150 |
| Standard UD | 150–300 |
| 3K Twill Prepreg | 180–245 |
| Heavy Twill | 280–380 |
| 6K Prepreg | 350–500 |
| 12K Prepreg | 500–800 |
| Aerospace Prepreg | 120–250 |
| High Modulus Prepreg | 100–220 |
Prepreg weight depending on area:
For prepregs 200 g/m²
| Size | Weight |
| 1 × 1 m | 0.2 kg |
| 1 × 5 m | 1.0 kg |
| 1 × 10 m | 2.0 kg |
For prepregs 245 g/m²
| Size | Weight |
| 1 × 1 m | 0.245 kg |
| 1 × 5 m | 1.23 kg |
| 1 × 10 m | 2.45 kg |
For prepregs 380 g/m²
| Size | Weight |
| 1 × 1 m | 0.38 kg |
| 1 × 5 m | 1.9 kg |
| 1 × 10 m | 3.8 kg |