PP полипропиленовые пластиковые листы 1000 2000 мм твердые вещества

Performance indicators

​ Value range

 Description

​Density

0.90-0.91 g/cm³

Lightweight material, with a density of only 1/8 of steel and 1/2 of aluminum, suitable for weight-sensitive applications.

​Tensile strength

25-40 MPa (homopolymer PP); 30-50 MPa (copolymer PP)

Lower than engineering plastics (such as PA6), but higher than general plastics (such as PVC, PS), meeting general load-bearing requirements.

​Flexural strength

35-55 MPa (homopolymer PP); 45-70 MPa (copolymer PP)

Good bending resistance, suitable for making thin-walled structural parts.

​Impact strength (notch)

2-5 kJ/m² (homopolymer PP, obvious low-temperature brittleness); 10-30 kJ/m² (copolymer PP)

Copolymer PP (such as PP-B) improves low-temperature toughness through ethylene copolymerization and is suitable for cold environments.

​Hardness (Rockwell)​​

R80-90

The surface hardness is low, and the scratch resistance is average, which can be improved by surface treatment (such as coating).

​Heat deformation temperature​

80-100℃ (unmodified); 120-150℃ (glass fiber reinforced)

The use temperature of unmodified PP is ≤80℃ (long-term), and it can withstand short-term high temperatures above 120℃ after glass fiber reinforcement.