This group of polyester resind are possessing high mechanical and HDT values. Widely used for producing traffic road signs, road side verticals and profiles.
| P-55 | ORTHO polyester resin for pultrusion applications |
| IR-55 | ISO polyester resin for pultrusion applications |
| PROPERTIES | FIELD OF APPLICATION | TECHNICAL PROPERTIES | MECHANICAL PROPERTIES(**) | ||
|---|---|---|---|---|---|
| Highly reactive | Structural profiles | Chemical base | Isophthalic | Tensile strength (MPa) | 60 – 70 |
| High mechanical properties | Handrails, walkways and platforms | Application | Pultrusion | Tensile elongation (%) | 2 – 3 |
| High chemical properties | Traffic and road safety equipments | Viscosity (cps) | 800 – 900 | Tensile E-modulus (MPa) | 3000 – 4000 |
| High heat distortion temperature (HDT) | Thixotropy | No | Flexural strength (MPa) | 130 – 140 | |
| Suitable for mass production | Density(g/cm³) | 1,11 – 1,13 | Hardness (GYZJ 934-1) | 40 – 42 | |
| Monomer content (%) | 34 – 36 | Heat distortion temperature (°C) | 98 – 102 | ||
| Acid value (mgKOH/g) | 18 – 30 | Water absorption (mg) | 28 – 32 | ||
| Gel time (min) | 20 – 25 (*) | ||||
| Exothermic peak (°C) | 190 – 210 (*) | ||||
| Curing system (*) | 1% Co(1%) + 1% MEK P | (**) Test applied after post cure application | |||