Metallocene LLDPE

Metallocene Linear Low-Density Polyethylene (mLLDPE) is a type of linear low-density polyethylene (LLDPE) that is produced using metallocene catalyst technology. It is a specialized and advanced form of LLDPE that offers several advantages in terms of its polymer structure and properties.

Properties

Narrow Molecular Weight Distribution: Metallocene LLDPE has a more uniform distribution of polymer chain lengths, improving processing and mechanical properties.
High Purity: mLLDPE has fewer impurities and reduced long-chain branching, resulting in better product quality and clarity.
Excellent Film Properties: It offers high tensile strength, puncture resistance, and tear resistance, making it ideal for packaging films.
Enhanced Flexibility: It remains flexible even at low temperatures, suitable for cold storage applications.
Improved Sealing Properties: mLLDPE provides strong heat-sealing capabilities, crucial for secure seals in food packaging.
Reduced Gel Formation: Metallocene catalysts minimize gel formation, enhancing optical clarity in the polymer.

Technical Data Sheet

Resin Properties	Typical Value	Unit	Test Based On
Density	0.918	g/cm³	ASTM D1505
Melt Index (190°C/2.16 kg)	1.0	g/10 min	ASTM D1238
Peak Melting Temperature	119	°C	ExxonMobil Method
Film Properties	Typical Value	Units	Test Based On
Tensile Strength at Yield	9.4 (MD) 9.4 (TD)	MPa	ASTM D88
Tensile Strength at Break	50 (MD) 43 (TD)	MPa	ASTM D882
Elongation at Break	500 (MD) 600 (TD)	%	ASTM D882
Secant Modulus – 1% Secant	190 (MD) 190 (TD)	MPa	ASTM D882
Dart Drop Impact	1460	g	ASTM D1709A
Elmendorf Tear Strength	250 (MD) 470 (TD)	g	ASTM D1922
Puncture Force	36	N	ExxonMobil Method
Puncture Energy	1.8	J	ExxonMobil Method
Optical Properties	Typical Value	Unit	Test Based On
Gloss (45°)	39	%	ASTM D2457
Haze	18	%	ASTM D1003

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