Low-Density Polyethylene (LDPE)

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Low-Density Polyethylene (LDPE)

Low-Density Polyethylene (LDPE) is a versatile and durable thermoplastic polymer made from the monomer ethylene. It is characterized by its low density, which gives it excellent flexibility, toughness, and lightweight properties. LDPE is commonly used in applications requiring materials that are easy to mold, stretch, or process. Its semi-transparent and glossy appearance, along with its resistance to moisture and chemicals, makes it ideal for both industrial and consumer applications.

It’s electrical insulating properties make it suitable for specialized applications in the electronics industry. Additionally, LDPE is recyclable and supports environmental sustainability by being reusable in various forms.

Features

Lightweight and Flexible: Ideal for applications requiring ease of handling and flexibility.
Chemical Resistance: Resists most acids, bases, and organic solvents.
Impact Resistant: Offers excellent toughness, even at low temperatures.
Waterproof: Provides an effective barrier against moisture.
Recyclable: Environmentally friendly and supports sustainability efforts.
Electrical Insulation: Provides excellent insulating properties for certain electronic uses.

Applications

Packaging: Widely used for plastic bags, shrink wrap, and containers.
Agriculture: Greenhouse films and irrigation pipes.
Consumer Products: Bottles, food storage containers, and lids.
Industrial Uses: Liners, tanks, and protective films.
Construction: Damp-proof membranes and insulation materials.
Electronics: Used for wire insulation and certain components requiring electrical resistance.

Regulatory

LDPE complies with Canadian regulatory standards for plastics and meets food-grade requirements outlined by Health Canada and the Canadian Food Inspection Agency (CFIA). It is also compliant with environmental guidelines for recycling and sustainability.

Physical Properties

Density: 0.91–0.93 g/cm³
Melting Point: 105°C – 115°C
Tensile Strength: 8 – 12 MPa
Elongation at Break: Up to 600%
Water Absorption: Negligible
Thermal Conductivity: 0.33 W/m·K

Standard Sizes

Sheets: Available in thicknesses from 0.5 mm to 20 mm, with standard dimensions of 48 x 96 inches.
Rolls: Thicknesses from 0.3 mm to 1 mm, in widths up to 60 inches.
Custom Sizes: Available upon request for specific applications.

Note: This data is provided for guidance only. Performance must be verified by the user under actual application conditions.

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Low-Density Polyethylene (LDPE)