Low Density Polyethylene (LDPE)

LOW-DENSITY POLYETHYLENE

LDPE Natural

LDPE, the first of the polyethylenes to be developed, is characterized by good toughness and flexibility, relatively low heat resistance, low-temperature impact resistance, and clarity in film form. Like the medium and high-density grades, LDPE has good resistance to chemical attack. At
room temperature, it is insoluble in most organic solvents but is attacked by strong oxidizing acids. At higher temperatures, it becomes increasingly more susceptible to attack by aromatic, chlorinated and aliphatic hydrocarbons.

Polyethylene is susceptible to environmental and some chemical stress cracking.Wetting agents such as detergents accelerate stress cracking. Some copolymers of LDPE are available with improved stress-crack resistance.

One of the fastest growing plastics today is linear low-density polyethylene (LLDPE), used mainly in film applications but also suitable for injection, rotational and blow molding. Properties of LLDPE are different from those of conventional LDPE and HDPE. Impact, tear, and heat-seal strengths and environmental stresscrack resistance of LLDPE are significantly higher.

LOW DENSITY POLYETHYLENE SHEET

Standard Sheet Thickness (Inches) Tolerances
48" x 96" 1/16 3/16 1/2 1 Thickness Width &Length
  3/32 1/4 5/8   .060" - 1/2"±5% +1/2" -.000"
  1/8 3/8 3/4   5/8" - 1"±10%  

Low density polyethylene is an extruded material available in a natural milky-white color. (LDPE)

LOW DENSITY POLYETHYLENE ROD

Standard Lengths Diameter (Inches) Tolerances
96" 1/4 5/8 1 2 Sufficiently oversize to permit finishing to size
  3/8 3/4 1-1/4 2-1/4
  1/2 7/8 1-1/2 1-1/2  
      1-3/4 3  

Low density polyethylene rod is available in the natural milky-white color. Diameters above 3" and up to 12" are available on factory order. Please call for availability.

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