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Avantages et inconvénients PP – Polypropylène Homopolymère (Injection)
features
Le polypropylène (PP) est un matériau économique offrant une combinaison d’excellent physical, mechanical, thermal and electrical properties which are not found in any other thermoplastic. Compared to low or high density polyethylene, it has lower impact strength, but higher working temperature and higher tensile strength.
L’homopolymère de polypropylène homopolymère (PPH) est le plus utilisé. Le PPH offre un good strength to weight ratio and is stiffer than copolymer. These advantages combined with good chemical resistance and weldability make it an ideal material for many corrosion resistant structures.
Technical datasheet PP – Polypropylène Homopolymère (Injection)
Avantages Polypropylène PP Homopolymère
ChemicalFire behaviour: HBFire behaviour: V0Comportement au feu : V1Comportement au feu : V2Standard densityLow thicknesses (<1mm)RecyclableRecycledAcid resistanceResistance to alcoholsDimensional stability: Good
inconvénients Polypropylène PP Homopolymère
Resistance à la chaleur : MoyenneUV resistance: PoorUV resistance: MediumChemical resistance: Medium
Properties
Tensile modulus
Tensile strength (breakage)
Bending modulus
Charpy impact resistance, +23°C
Shore D hardness
Softening temperature Vicat
Yellow Card available
Transverse resistivity
Surface resistivity
Absorption d'eau
UV resistance
Mini
990
Post meta
1800
1
-
-
Yes
5.5 to 1.1E+16 ohms
1.0E+3 to 7.5E+14 ohms
0.010 to 0.11 %
Average
Maxi
4500
Post meta
9500
5
75
120
-
-
-
-
-
Unit
Mpa
Mpa
Mpa
kJ/m2
-
°C
-
Ohm*m
Ohm
%
-
Standard
ISO 527-1/-2
ISO 527-1/-2
ISO 178
ISO 179/1eU
ISO 7619-1
ISO 306
-
IEC 62631-3-1
IEC 62631-3-2
ISO 62
-
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