Questions & Answers
Polyethylene granules are made from: MDPE, LLDPE 218W, LDPE 10803-020, LDPE 15803-020, PE 100 RC, PE 100, PE 80, PE 63.
GOST 16338-85 - technical specifications for low-density polyethylene. This standard regulates: supply, production, labeling, quality control, packaging, testing methods, acceptance, granule requirements, polyethylene production methods, and applications.
GOST 16337-77 - Specifications for high-density polyethylene. This standard specifies the areas of use, packaging, labeling, inspection methods, technical characteristics, product grades, granule requirements, and production methods.
ISO 1872-1 - This standard establishes a designation and classification system for polyethylene materials for extrusion and injection molding. It defines the material's intended use, processing method, polyethylene type, melt flow index, density, and labeling.
| Volume of granules, l | LDPE, kg | LLDPE, kg | HDPE, kg |
| 1 | 0,53 | 0,57 | 0,65 |
| 5 | 2,65 | 2,85 | 3,25 |
| 10 | 5,3 | 5,7 | 6,5 |
| 20 | 10,6 | 11,4 | 13 |
| 50 | 26,5 | 28,5 | 32,5 |
| 100 | 53 | 57 | 65 |
| 200 | 106 | 114 | 130 |
| 500 | 265 | 285 | 325 |
| 1000 | 530 | 570 | 650 |
| Indicator | LDPE | HDPE |
| Density, g/cm³ | 0,91–0,93 | 0,941–0,965 |
| Melting point, °C | 105–115 | 125–135 |
| Water absorption, % | <0,01 | <0,01 |
| Shore D hardness | 40–50 | 60–70 |
| Dielectric strength, kV/mm | 20–30 | 25–35 |