- POLYETHYLENE FEATURES (HDPE)
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- Excellent chemical resistance
- Good resistance to fatigue and wear
- Good electrical insulation
- Stain Resistance
- Good ptoteccion against the cracks by tension
- Very low water absorption. Resistance to humidity
- Low maintenance cost
- Easily machinable with wood and metal tools
- Resistant to organic solvents, degreasers and electrolytic agents
- High flexibility at high and low temperatures
- NNon-toxic to food
- It can be welded with plastic welding equipment
- Low coefficient of friction. Good sliding properties
- Very good damping properties
- Excellent chemical resistance
- POLYETHYLENE PROPERTIES (HDPE)
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PROPERTIES TEST METHOD VALUE Molecular Weight (1E6 g/mol) ASTM D6474 0.5-1 Density (g/cm3) ISO1183 0.95-0.98 Friction coefficient ISO8295 ≤0.2 Hardness (Shore D) ISO868 63-70 Elongation and rupture (%) ISO527 ≥200 Tension (N/mm2) ASTM D638 >15 Water Absorption ASTM D570 ≤0.1 Surface resistance (Ohm) IEC 93 1014 Temperature Resistance -200 to +80 Melting temperature (?) 130-140 Degree of flammability according to HB - POLYPROPYLENE FEATURES (PP)
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- Higher rigidity and scratch resistance than HDPE.
- Higher heat resistance than HDPE.
- The copolymer has a high impact strength. Greater than HDPE at room temperature.
- Very high chemical resistance.
- Thermoformable.
- Excellent resistance to humidity.
- Does not absorb water
- The virgin is suitable for contact with food
- Resistance to cracking due to a high level of stress
- POLYPROPYLENE PROPERTIES (PP)
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PROPERTIES TEST METHOD VALUE Density (g/cm3) ISO2039-1 70 Hardness (Shore D) ISO868 70-72 Elongation and rupture (%) ISO527 70-75 Thermal conductivity ( N/m-k ) DIN52612 0.22 Impact force (kJ/m2) ISO179 No Rompe Water absorption ASTM D570 ≤0.1 Surface resistance (Ohm) IEC 93 1014 Resistance to temperature Resistance to temperature Melting temperature (℃) 150 Tensile strength( N/mm ) ISO527 ISO527
