Carmel Olefins CARMELTECH™ QB 79 P Polypropylene Random Copolymer for Pressure Pipe

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Carmel Olefins CARMELTECH™ QB 79 P Polypropylene Random Copolymer for Pressure Pipe (discontinued **)
Categories:	Polymer; Thermoplastic; Polypropylene (PP); Polypropylene Copolymer
Material Notes:	CARMELTECH™ QB 79 P is a high molecular weight, low melt flow rate polypropylene random copolymer, especially designed for extrusion of pressure pipes and injection molding of fittings. This grade offers a combination of ease of processing and excellent mechanical properties. It has been formulated for long term heat stabilization and good resistance to extraction by hot water and detergents. APPLICATIONS CARMELTECH™ QB 79 P is suitable for in-house hot and cold water pipes and fittings, floor and wall heating systems, radiator connections, and industrial applications.
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Physical Properties	Original Value	Comments

Melt Flow	0.28 g/10 min @Load 2.16 kg, Temperature 230 °C	ASTM D1238
	0.50 g/10 min @Load 5.00 kg, Temperature 190 °C	ASTM D1238
	1.2 g/10 min @Load 5.00 kg, Temperature 230 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
Tensile Strength, Yield	23.0 MPa	ASTM D638
Elongation at Yield	13 %	ASTM D638
Flexural Modulus	950 MPa	ASTM D790
Izod Impact, Notched	85.0 J/m @Temperature >=0.000 °C	ASTM D256
	300 J/m @Temperature >=23.0 °C	ASTM D256

Thermal Properties	Original Value	Comments
Deflection Temperature at 0.46 MPa (66 psi)	85.0 °C	ASTM D648
Vicat Softening Point	133 °C @Load 1.02 kg	ASTM D1525

**
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PCARM034 / 79772

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