Ultra-high molecular weight polyethylene (UHMWPE) lined oil pipe

Serial Number

Indicator Type

Project

Technical indicators

Test Method

95°C

1

Normal temperature performance

Density, g/cm³

0.94-0.97

GB/T1033.1

2

Vicat softening temperature (A50), ℃

≥ 130

GB/T1633

3

Notched impact strength of simply supported beam, kJ/m²

≥ 50

GB/T1043

4

Tensile elongation at break, %

≥ 400

GB/T8804.3

5

Tensile Break Yield Strength, MPa

≥ 20

GB/T8804.3

6

Sliding wear, × 10^-3mm³/m

27/8

≤ 5.5

Q/0500SDRO01-2018

7

31/2

≤ 3.5

8

41/2

≤ 2.5

9

Aging performance (oil bath^① 6d) The oil bath temperature is consistent with the maximum use temperature of different models

Tensile elongation at break, %

≤ 15%

Q/0500SDRO01-2018

10

Tensile Break Yield Strength, Mpa

≤ 15%

11

Mortar wear, × 10mm^-3

≤ 50

Q/0500SDRO01-2018

①: The test oil bath temperature is the highest use temperature of the liner.