“BL4M” is a high density polyethylene with 1-Butene as co monomer. It is high molar mass,easily processable, high stiffness and strength, good ESCR, very good molding surface finish.
| Properties | Unit | Typical value | Test Method |
| Mass density (23 C) | g/cm3 | 0.952 | ISO 1183 |
| Melt Flow Rate (190 C/5.06kg) | g/10min | 0.35 | ISO 1133 |
| Melt Flow Rate (190 C/21.16kg)) | g/10min | 9.5 | ISO 1133 |
| FRR (21.6/5) | - | 27 | - |
| Impact strength (23 C) | mj/mm2 | 10 | ISO 179/1eA |
| Swell ratio | % | 115 | MPC-Test |
| Flextural Creep Modulus (4point,1min) | Mpa | 1100 | DIN 19537-2 |
| Tensile Modulus (23 C,v=1mm/min,secant) | Mpa | 1200 | ISO 527 |
| Stress at Break | Mpa | 34 | ISO 527 |
| Elongation at Break | % | > 800 | ISO 527 |
| Elongation atYield | % | 10 | ISO 527 |
| SofteningTemperature | ºC | 80 | ISO 306 |
| BrittleTemperature | ºC | < -80 | ASTM D746-72 |
| shore D hardness | - | 62 | ISO 868 |
| ESCRinfullnotchcreeptest (80C,2%Arcopal) | Mpa | 5 | ISO CD 16770 h@3.5 |