Orevac® 18750

About
OREVAC® 18750 is a coextrusion coating adhesive based on a maleic anhydride modified polypropylene resin. It is available in pellet form for use in conventional extrusion and coextrusion equipment designed to process polyolefin. Applications OREVAC® 18750 is a tie resin to be used in extrusion coating and extrusion lamination technologies. It has been designed to develop adhesion in these processes onto substrates like aluminum foil (), paper or PP films and in coextrusion with resins like PP and PA. OREVAC® 18750 exhibits excellent processing properties, particularly regarding drawability, neck-in and melt stability. In addition to adhesive properties, the special formulation of OREVAC® 18750 allows to design aluminum lids for PP or PP coated cups and containers with controlled opening forces. () Adhesion performance to aluminum foil is strongly dependant on thermal conditions in the laminator. Standard conditions of coating onto cold aluminum foil require using a specific post heating treatment in which the OREVAC layer must be molten again.&&

About

OREVAC® 18750 is a coextrusion coating adhesive based on a maleic anhydride modified polypropylene resin. It is available in pellet form for use in conventional extrusion and coextrusion equipment designed to process polyolefin. Applications OREVAC® 18750 is a tie resin to be used in extrusion coating and extrusion lamination technologies. It has been designed to develop adhesion in these processes onto substrates like aluminum foil (*), paper or PP films and in coextrusion with resins like PP and PA. OREVAC® 18750 exhibits excellent processing properties, particularly regarding drawability, neck-in and melt stability. In addition to adhesive properties, the special formulation of OREVAC® 18750 allows to design aluminum lids for PP or PP coated cups and containers with controlled opening forces. (*) Adhesion performance to aluminum foil is strongly dependant on thermal conditions in the laminator. Standard conditions of coating onto cold aluminum foil require using a specific post heating treatment in which the OREVAC layer must be molten again.&&

Product Description
Supplier	Arkema
Generic	PP homopolymerization
Material Status	Commercial: Active
Features	Excellent Processability,Good dissection,Non-corrosiveness,Good bond,Heat Stabilized,Higher melt stability
Availabilitys	Africa & Middle East ,North America,Latin America,Asia Pacific,Europe

Technical Data
PHYSICAL	Nominal value	Unit	Test method
Density	0.920	g/cm³	ASTM D1505
Density	0.920	g/cm³	ISO 1183
Melt Flow Rate
230℃，2.16kg	35	g/10min	ISO 1133
230℃，2.16kg	35	g/10min	ASTM D1238

MECHANICAL	Nominal value	Unit	Test method
Tensile modulus
0.03 mm	500	MPa	ISO 527-2
0.03 mm	500	MPa	ASTM D638
tensile strength
Yield, 0.025 mm	16.0	MPa	ASTM D638
Yield, 0.025 mm	16.0	MPa	ISO 527-2
Tensile strain
Fracture, 0.03 mm	> 700	%	ASTM D638
Fracture, 0.03 mm	> 700	%	ISO 527-2

THERMAL	Nominal value	Unit	Test method
Vicat Softening Temp	121	℃	ASTM D1525 2
Vicat Softening Temp	121	℃	ISO 306/A
Melting temperature	160	℃	ISO 11357-3

Process Conditions
Extrusion	Nominal value	Unit	Test method
Drying temperature	80 to 90	°C
Drying time	2.0 to 4.0	hr
Barrel 1 zone temperature	200 to 220	°C
Barrel 2 zone temperature	220 to 250	°C
Barrel 3 zone temperature	250 to 275	°C
Barrel 4 zone temperature	275	°C
Nozzle temperature	275	°C

Notes
1. Typical properties: these are not to be construed as specifications.
2. Loading 1 (10 N)
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