Data Sheet
Properties |
Standard |
Unit |
Test Data |
Specific gravity |
ISO 1183 |
g/cm3 |
0.96 |
Water absorption |
ISO 62 |
% |
<0.01 |
Flammability |
UL94 |
|
HB |
Mechancial Properties |
|
|
|
Yield stress |
ISO 527 |
Mpa |
29 |
Elongation at break |
ISO 527 |
% |
180 |
Tensile modulus of elasticity |
ISO 527 |
Mpa |
1210 |
Notched impact strength |
ISO 179 |
kJ/m2 |
21.9 |
Notched izod impact strength |
ISO 180 |
kJ/m2 |
19.1 |
Shore hardness |
ISO 868 |
scale D |
62 |
high density polyethylene
Product Advantages
High Toughness and Impact Resistance
HDPE Rod's high toughness (elongation at break ≥300%) and environmental stress cracking resistance (ESCR >1000 hours) make it a core material for chemical storage tanks, municipal pipelines, and agricultural irrigation systems. For example, in the floating roof support structure of chemical raw material storage tanks, HDPE Rod's high toughness (resistance to raw material impact) and chemical corrosion resistance (resistance to acid and alkali solutions) ensure long-term crack-free support structures (service life >15 years). In municipal drainage pipe connectors, its environmental stress cracking resistance (no brittle cracking from -40°C to +80°C) and abrasion resistance (Akron abrasion value ≤0.10 cm³/1.61 km) ensure long-term sealing of the piping system (service life >50 years). In agricultural irrigation system water supply pipes, HDPE Rod's low-temperature resistance (no brittle cracking at -60°C) and hydrolysis resistance (no performance degradation in humid environments) ensure normal winter water supply (service life >20 years).
Chemical and Abrasion Resistance
HDPE Rod is stable to most acid, alkali, and salt solutions and organic solvents (no significant swelling at concentrations below 90%). Its abrasion resistance (Akron abrasion value ≤ 0.10 cm³/1.61 km) makes it an outstanding performer in the food processing and machinery manufacturing sectors. For example, in conveyor belt guides in food processing plants, HDPE rods' non-toxicity (FDA-compliant) and wear resistance (friction coefficient of 0.2-0.4) ensure hygienic and efficient food transportation (service life >8 years). In chemical pump impellers and seals, their chemical resistance (resistance to acid/alkaline solutions with concentrations <90%) and wear resistance (service life >5 years) allow them to replace metal components (reducing weight by 30%-50%). In wear-resistant liners for mining machinery, HDPE rods' impact resistance (Izod notched impact strength ≥80 kJ/m²) and wear resistance (50%-80% higher than PP) significantly reduce maintenance costs (service life >3 years).
Easy Processing and Low Cost
HDPE rods' easy processing (short extrusion cycle and recyclable waste) and low cost (raw material price 30%-50% lower than POM) significantly improve production efficiency. For example, in the extrusion production of plastic pipes, HDPE rods' melt flow rate (MFR) of 0.1-1.0 g/10 min (suitable for thin-walled pipes) supports high-speed extrusion (line speeds > 10 m/min), resulting in unit costs 20%-30% lower than PVC. In the large-scale injection molding of consumer plastic products (such as plastic pallets and trash cans), HDPE rods' high fluidity (MFR > 0.5 g/10 min) reduces mold filling time (shortening molding cycle times by 10%-15%), resulting in overall costs lower than metals (such as galvanized steel). In hot-melt welding of agricultural irrigation pipes, HDPE rods' weld strength > 90% of the parent material (under standard operation) and low thermal conductivity (reducing heat loss) improve construction efficiency (laying lengths > 500 meters per day).
Applications:
The core value of HDPE Rod lies in its comprehensive properties of high toughness, chemical resistance, easy processing, and low cost. It is suitable for applications in chemical storage and transportation, municipal engineering, agricultural irrigation, and machinery manufacturing. It performs particularly well in applications requiring impact resistance, corrosion resistance, and a low-cost solution.