Omnia Plastica PP Polypropylene

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Omnia Plastica PP Polypropylene
Categories:	Polymer; Thermoplastic; Polypropylene (PP); Polypropylene, Extrusion Grade
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 natural Weak 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.
Vendors:

Available Properties

Density, ISO.1183 DIN.53479
Moisture Absorption at Equilibrium, 50% relative humidity
Water Absorption at Saturation, 23°C
Hardness, Rockwell R, ISO2039.2, dry sample
Ball Indentation Hardness, ISO2039.1 DIN.53456
Tensile Strength at Break, ISO.527 DIN.53455
Elongation at Break, ISO.527 DIN.53455
Tensile Modulus, ISO.527 DIN.53455
Compressive Strength, ISO.899 DIN.53444, 1% strain over 1000 hours
Charpy Impact Unnotched, ISO.R179 DIN.53453, 7.5 J
Charpy Impact, Notched, ISO179/3C DIN.53453
Coefficient of Friction, Dynamic, on dry ground steel; load =0.05MPa; speed =0.6 m/s
Volume Resistivity, ISO.93 DIN.53482
Dielectric Constant, ISO.250 DIN.53483
Dielectric Strength, ISO.243 DIN.53481
Dissipation Factor, ISO.250 DIN.53483
CTE, linear
Thermal Conductivity, DIN.52612
Melting Point
Maximum Service Temperature, Air, Continuous; 5000 hours based on a tensile stress of 50% at 23° C.
Maximum Service Temperature, Air, short period, no load
Deflection Temperature at 1.8 MPa (264 psi), ISO.75 DIN.53461
Minimum Service Temperature, Air, impact conditions and heavy loads not considered
Flammability, UL94
Oxygen Index, ISO.4589

Property Data

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Manufacturer Notes:
Omnia Plastica s.p.a.

Category Notes
Plastic

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