The PP exhibits excellent resistance to acids, bases (even concentrated), alcohols, and polar solvents. Sensitive to hot aromatic and chlorinated hydrocarbons. Can be used in an autoclave (steam sterilisation for special grades). Not suitable for ozone.
TPV Alliage – Polypropylene
PP
TPV Alliage – Polypropylene
Commodity Plastics
Reinforced Polypropylene
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Injection Moulding
Transparent Food Contact Recycled Biobased flame-retardant UV resistant
✓ This material meets the criteria ~ Specialized grades may meet this criteria
Quality Scores
Mechanics
Thermal
Chemical
UV ageing
Injection moulding difficulty
Recycling
Performance profile
Mechanical properties
| Density | 0.940 to 0.960 g/cm³ ASTM D792 |
|---|---|
| Charpy notched impact | 5 kJ/m2 |
| Flexural modulus | 1500 MPa |
| Flexural resistance | 40 MPa |
| Tensile modulus | 1400 MPa |
| Tensile resistance | 30 MPa |
| Tensile strain | 400 % |
Chemical resistance and characteristics
Chemical resistance
Recommended applications
- Emballages alimentaires, tuyaux et raccords plomberie, pièces automobiles (pare-chocs, tableaux de bord), mobilier de jardin, appareils électroménagers, contenants médicaux stérilisables, textiles et fibres, cordages
Frequently asked questions
Injection at 200–260 °C, mould at 20–80 °C. Excellent flow properties, suitable for complex thin-walled parts. Significant shrinkage (1.0–2.5 %) must be taken into account during mould design. No pre-drying required. Take care to prevent warping of flat parts.
PP (code 5) is recyclable. Recycling streams exist for food packaging, the automotive industry, and general industry. The quality of recycled pellets is sufficient for many applications.
PP is among the most widely used food contact materials (FDA, EU Regulation 10/2011). Approved for all types of food including fatty and acidic foods. Resistant to steam sterilisation (PP random copolymer).
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