Fitting Specifications

EHMW - HDPE POLYMER PHYSICAL PROPERTIES*

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Properties

ASTM Test Method

Units

Normal Values

Density (base resin)

D 792

g/cm3

0.945

Melting Point

D3417

°F

260

ESCR

D1693C 100% lgepal

Hrs

>5000, no failures

Notched Izod Impact Strength

D256, A 1/8" thick specimen

PSI

>3200

Tensile Strength at Yield

D 638, Type V

%

>750

specimen, 2 in/min

Elongation at Break

D 638, Type V

PSI

120,000

specimen, 2 in/min

Secant Modulus of Elasticity

D 638, Type V

PSI

130,000

@ 2% strain

specimen, 2 in/min

Flexural Modulus @ 2% strain

D 3350

PSI

130,000

Heat Distortion Temperature

D 648

°F

172

Thermal Expansion

D 696

in/in°F

1x104

Shore Hardness

D 2240

D Scale

64

The above listed data was determined on press molded test specimen and may, therefore, vary from specimens taken from the manufactured product.

Hydrostatic Design Basis

D 2837
100,000 Hrs
73°F (23°C)

PSI

1600

Cell Classification

D 3350

(see below)

345464C

PPI Recommended Designation

PE 3408

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*This list of typical physical properties is intended for basic characterization of the material and does not represent specific determinations of specifications. The physical properties values reported herein were determined on compression molded specimens prepared in accordance with procedure C of ASTM D 1928 and may differ from specimens taken from price.

Property

Test Method

0

1

2

3

4

5

6

1-Density, g/cm3

D1505

0

0.910-0.925

0.926-0.940

0.941-0.955

>0.955

2-Melt index-condition F
(gms/10 min)

D1238

>0.1

1.0-0.4

<0.4-0.15

<0.15

3-Flexural modulus, MPa (psi)

D790

<138
(<20,000)

138-<276
(<20,000-<40,000)

276-<552 (40,000-<80,000)

552-<758 (80,000-<110,000)

758-<1103 (110,000-160,000)

<1103
(<160,000)

4-Tensile strength

D638

<15 (<2200)

15<18 (2000-<2600)

18<21 (2600<3000)

21=<24 (3000<2500)

24<28 (3500<4000)

<28 (>4000)

5-SlowCrack growth resist. I. ESCR: a. Test Condition b. Test curation, h c. Failure, max, %
II. PENT:

D1693 & F1473

A
48
50
0.1

B
24
50
1

C
192
20
3

D
600
0
10

30

100

6-Hydrostatic design basis MPa (psi), (23°C) Color and UV Stabilzer

D2837
A
natural

NPR*

5.52
(800)
B
Colored

6.89
(1000)
C
Black with
2% min
carbon black

8.62
(1250)
D
Natural
with UV
Stablizer

11.03
(1600)
E
Colored
with UV