HIGH DENSITY POLYETHYLENE (HDPE)
DOW CHEMICAL HIGH DENSITY POLYETHYLENE PE DOW 08454N (HDPE)
Dow Chemical High Density Polyethylene PE Dow 08454N
Polyethylene is among the lowest density plastics and therefore is one of the lowest cost per cubic measure compared to other plastics. High density polyethylene has good toughness, excellent electrical properties, and chemical resistance, good low temperature brittleness and very low water absorption. Polyethylene is essentially inert, unaffected by strong and weak acids, alkalies, detergents, alcohols, and ketones. Polyethylene has low tensile strength and is subject to considerable creep and stress relaxation under load. Polyethylene will swell with chlorinated and aromatic hydrocarbons including gasoline and oils.
 
APPLICATIONS
Washers - Spacers - Beaded Ties - Insulators - Wire clips - Protective Caps - Plugs - Spiral Wrap - Flexible Grommeting
 
Approvals FDA 21CFR 177.1520
     
Properties
General Nominal Values Test Method
Specific Gravity 0.954 ASTM D792
Melt Index, (190C/2160gm), gm/10min 7 ASTM D1238
Melt Flow Ratio (I10/I2) 6.9 ASTM D1238
Apparent Dynamic Viscosity, p (Pa-s) ASTM D3835
     @ 230C and 300 sec-1 3600
     @ 230C and 1000 sec-1 2200
     @ 230C and 5000 sec-1 900
 
Mechanical Nominal Values Test Method
Tensile Strength @ Yield(2), psi 3000 ASTM D638
Tensile Strength @ Break(2), psi 2400 ASTM D638
Elongation, % 700 ASTM D638
Secant Modulus @ 2% Elongation, psi 97,000 ASTM D790
Flexural Modulus psi 146,000 ASTM D790
Notched Izod Impact @ RT, ft-lb/in 2.3 ASTM D256
 
Thermal Nominal Values Test Method
Vicat Softening Point, F 256 ASTM D1525