EX 4

EX 4
License Grade Code HM 9455 F

Product Description:
“EX4” is a high density polyethylene with 1-Butene as co monomer. It is high rigidity, low gel level, high drowdown, somewhat stiffer than EX5.

Applications:

  • Film extrusion
  • Blending partner
  • relining, fittings

Typical data
PROPERTY TEST METHOD UNIT TYPICALVALUE*
Mass density (23 C) ISO 1183 g/cm3
 0.956
Melt Flow Rate (190 C/5,0kg) ISO 1133 g/10min
 0,28
Melt Flow Rate (190 C/21,16kg) ISO 1133 g/10min
 8
FRR(21,6/5)
-
 29
FNMPC-TEST-<3/<120
Stress at Yield ISO 527 Mpa 27
Max. Tensile Strength MD / TD ISO 527 Mpa
 45/40
Stress at Break ISO 527 Mpa
 35
Tear Strength MD / TD ISO 6383-2 m N 200/400 Max.
Elongation MD / TD ISO 527 %
 400/450
Softening Temperature ISO 306 C
 75
Brittle Temperature ASTM D746-72 C
 <-80
shore D hardness ISO 868
61
Dart Drop Impact ASTM D 1709 g 220
  • Typical Values: not to be construed as specifications
  • Blow film thickness 20 µm , Extruded at melt temp. of 200 c and Blow up Ratio 4:1
  • Recommended melt temperature: 200_230 ºc
  • Recommended film thickness: 10-20 µm