Hostalen 4731 B is a high density polyethylene (HDPE) with high melt viscosity for extrusion. The product provides excellent stress crack resistance properties (ESCR) combined with very good long term hydrostatic strength, high heat- and extremely high extraction stability. Hostalen 4731 B fullfills the requirements of DIN 16833 / ISO 24033 for PE-RT, Typ II. Typical customer applications are underfloor heating and multilayer pipes for heating and plumbing.
Hostalen 4731B
Description
Availability
Africa-Middle East, Asia-Pacific, Europe, North America, South & Central America
Legend
SDS - Safety Data Sheet
PSB - Product Stewardship Bulletin
Product Data and Technical Information
| Melt Flow Rate (190 °C/5.0 kg) | 0.45 g/10 min |
| Melt Flow Rate (190 °C/21.6 kg) | 9.5 g/10 min |
| Density | 0.947 g/cm³ |
| Tensile Modulus (23 °C) | 850 MPa |
| Tensile Stress at Yield (23 °C, 50 mm/min) | 22 MPa |
| Tensile Strain at Break (23 °C) | 650 % |
| Tensile Strain at Yield (23 °C, 50 mm/min) | 8 % |
| MRS Classification | 10 MPa |
| FNCT (4.0 MPa, 2% Arkopal N100, 80 °C) | >=350 hr |
| Charpy Impact Strength - Notched (23 °C) | 24 kJ/m² |
| Charpy Impact Strength - Notched (-30 °C) | 8 kJ/m² |
| Shore Hardness (Shore D, 3 sec) | 59 |
| Vicat Softening Temperature (A50) | 120 °C |
| Vicat Softening Temperature (B50) | 70 °C |
| Oxidation Induction Time (210 °C) | 40 min |
Technical Data Sheet
Technical Data SheetProcess
Pipe, Sheet
Resin
High Density Polyethylene
Applications
Drinking Water Pipe, Plumbing, Heating & Cooling