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Omnia Plastica PP Polypropylene

Category Polymer , Thermoplastic , Polypropylene (PP) , Polypropylene, Extrusion Grade
Manufacturer Omnia Plastica s.p.a.
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
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Material Notes:
The mechanical features of PP are better than those of PE H.D. It withstands attack by alkali and acids and consequently it is widely used for components in the chemical industry when a moderate stress material is required.Features:Chemical: high chemical resistance. Tensile stress: very high among the polyolefins. Low specific gravity. Easy machinability on mechanical tools. It can be welded. Good stability to temperature. Colour: grey RAL 7032 and naturalWeak Point:Compared to the engineering plastics it has low thermal and mechanical properties: tensile stress, flexural and compressive strength, etc. Compared to PE it is more rigid but less shock resistant.Application:Chemical: the widest application field for PP is the chemical industry. Thanks to its high resistance to acids and alkali and its higher temperature resistance than PVC, it is used for components in the chemical, galvanic and petrochemical industries to produce valves, flanges, gears, etc.Food contact: it is physiologically inert, so in natural form, it is approved for use in contact with food. Electrical: good dielectric properties. Weather stability is its best feature for this application.Mechanical: it is also used for mechanical components in corrosive environments. It has a higher tensile stress than H.M.W. PE.Information provided by Omnia Plastica s.p.a. for semifinished products such as sheet, rod, and tube.
Physical Properties Metric English Comments
Density 0.930 g/cc
0.0336 lb/in³
ISO.1183 DIN.53479
Moisture Absorption at Equilibrium 0.00 %
0.00 %
50% relative humidity
Water Absorption at Saturation 0.00 %
0.00 %
23°C
Mechanical Properties Metric English Comments
Hardness, Rockwell R 64
64
dry sample; ISO2039.2
Ball Indentation Hardness 75.0 MPa
10900 psi
ISO2039.1 DIN.53456
Tensile Strength at Break 35.0 MPa
5080 psi
ISO.527 DIN.53455
Elongation at Break 600 %
600 %
ISO.527 DIN.53455
Tensile Modulus 1.10 GPa
160 ksi
ISO.527 DIN.53455
Compressive Strength 4.00 MPa
580 psi
1% strain over 1000 hours; ISO.899 DIN.53444
Charpy Impact Unnotched NB
NB
7.5 J; ISO.R179 DIN.53453
Charpy Impact, Notched 0.700 J/cm²
3.33 ft-lb/in²
ISO179/3C DIN.53453
Coefficient of Friction, Dynamic 0.35
0.35
on dry ground steel; load =0.05MPa; speed =0.6 m/s
Thermal Properties Metric English Comments
CTE, linear 150 µm/m-°C

@Temperature 23.0 - 60.0 °C
83.3 µin/in-°F

@Temperature 73.4 - 140 °F
Thermal Conductivity 0.400 W/m-K
2.78 BTU-in/hr-ft²-°F
DIN.52612
Melting Point 160 °C
320 °F
Maximum Service Temperature, Air 90.0 °C
194 °F
Maximum operating temperature continuously for 5000 hours based on a tensile stress of 50% at 23° C.
110 °C
230 °F
short period, no load
Deflection Temperature at 1.8 MPa (264 psi) 65.0 °C
149 °F
ISO.75 DIN.53461
Minimum Service Temperature, Air -10.0 °C
14.0 °F
impact conditions and heavy loads not considered
Flammability, UL94 HB
HB
Oxygen Index 18 %
18 %
ISO.4589
Electrical Properties Metric English Comments
Volume Resistivity 1.00e+17 ohm-cm
1.00e+17 ohm-cm
ISO.93 DIN.53482
Dielectric Constant 2.2

@Frequency 1e+6 Hz
2.2

@Frequency 1e+6 Hz
ISO.250 DIN.53483
Dielectric Strength 100 kV/mm
2540 kV/in
ISO.243 DIN.53481
Dissipation Factor 0.0040

@Frequency 1e+6 Hz
0.0040

@Frequency 1e+6 Hz
ISO.250 DIN.53483
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