QUALITY CONTROL

MELT MASS-

FLOW RATE

MFR FOR

PE 100

CHANGE

OF MFR

BY PROCESSING

±20 %

LOAD TEST

TEMPERATURE

TIME NUMBER

OF TEST PIECES

 5.0KG | 190 oC

10 MIN

ACCORDING TO

ISO 1133

ISO 1133:2005

CONDITION D

  • Melt flow rate (MFR)
  • Reference Test: ISO 1133
  • Standard Value: 0.25-0.35 change in MFR
  • Value caused by processing, between the measured value for material from the pipe and the measured value for the compound, must not be greater than 20%.

LONGITUDINAL

REVERSION

≤ 3%

NO EFFECT

ON SURFACE

SHAPE AND

NUMBER OF TEST

PIECES C TEST

TEMPERATURE TIMe

ACCORDING TO ISO

2505

110± 2 oC MIN

SEE ISO 2505

ISO 2505

  • Longitudinal reversion (shrinkage)
  • Reference Test: ISO 2505-1
  • Standard value: Longitudinal reversion (shrinking) shall ≤3%

ELONGATION

AT BREAK FOR

E ≤ 12 MM

≤ 350%

TEST PIECE SHAPE

TEST SPEED

NUMBER OF

TEST PIECES

TYPE 1 a

25MM/MIN

ACCORDING TO

ISO 6259

ISO 6259-1

ISO 6259-3

  • Tensile Testing
  • Reference Test: ISO 6259
  • Standard value: Elongation at break must be ≥350%

TEST

OXIDATION INDUCTION TIME

HYDROSTATIC STRENGTH

AT 20o / 80o

REQUIREMENT

≥ 20 MIN

NO FAILURE ON ANY TEST PIECE DURING

TEST PERIOD

TEST METHOD

TEST

ISO 1167-1

ISO 1167-2