PP - Polipropylen
PP is resistant to high temperatures, very rigid, very durable and has a very low water absorption.
APPLICATION FIELDS: blanking die pads, sewers, seals, housings, internal walls, bowling courses, machine assembly, machine linings, containers, water seals.
| Properties | Unit | Value | Test method |
| General properties | |||
| Density | g/cm3 | 0,92 | ISO 1183 |
| Molecular weight | g/mol | - | - |
| MFR 190/5 | g/10 min | 0,6 | ISO 1133 |
| Mechanical properties | |||
| Yield stress | N/mm2 | 30 | ISO 527 |
| Elongation at yield stress | % | >= 8 | ISO 527 |
| Breaking stress | N/mm2 | - | ISO 527 |
| Elongation at break (yieldpoint) | % | > 50 | ISO 527 |
| Modulus of elasticity (tensile) | N/mm2 | >= 950 | ISO 527 |
| Notched impact strength | mj/mm2 | 11 | ISO 179 |
| Notched impact strength with 15°V-notch |
mj/mm2 | - | ISO 179 |
| Ball indentation hardness, 30 sec. value | mj/mm2 | 67 | DIN ISO |
| Shore-D hardness | - | 70 | ISO 868 |
| Wear by the sand-slurry method | - | 440 | Hostalen GUR 4120 = 100 |
| Thermal properties | |||
| Crystalline melting range | ° | 165 | termoanali za thermoanalysis |
| Thermal conductivity at 23°C | W/m.K | 0,22 | DIN 52612 |
| Coefficient of linear expansion between 23 and 80 °C | K-1 | 1 do 2*10-4 | DIN 53752 |
| Vicat softening point VST | ° | 90 | DIN ISO 306/B |
| Electrical properties | |||
| Volume resistivity | Ohm cm | 1016 | VDE 0303/3 |
| Surface resistance | Ohm | 1013 | VDE 0303/3 |
| Dielectric strength | kV/mm | - | VDE 0303/2 |
| Arc resistance | grade | L 4 | VDE 0303/5 |
| Diverse data | |||
| Lacquering and printing only after pre-treatment | |||
| Glueing only after pre-treatment | |||
| Water absorption none | |||
| Hot forming property limited | |||
| Chemical resistance high resistance against acids, lyes and dissolvents | |||
| Behaviour in fire normal inflammable | |||