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ASHOKA STEELS :: PTFE UHMWPE PVC HDPE CAF Derlin Nylon Metalon Teflon Glasswool Carbon Rubber Sheet Hardware Goods Carbon Graphite
  Home Products HIGH DENSITY POLYETHYLENE (HDPE)

 
HIGH DENSITY POLYETHYLENE (HDPE)
Ashoka Steels are stockists and distributors of HDPE.

HDPE is a semi-crystalline thermoplastic. Compared to LDPE it is having less number of smaller branches which result in better molecular packing, crystallinity, density and strength.
 
HIGH DENSITY POLYETHYLENE (HDPE)
HIGH DENSITY POLYETHYLENE (HDPE)  
HIGH DENSITY POLYETHYLENE (HDPE)
 
     PROPERTIES
VALUES
  • Specific Gravity
0.941-0.967
  • Tensile strength, MPa
18.6-30.3
  • Tensile modulus,MPa
420-1400
  • Flexural modulus, MPa
689-1654
  • Elongation at break, %
100-1000
  • Impact strength, izod,notched, J/m
0.6 (no break)
  • Hardness
D 60-70
  • Deflection temperature under load(1.82 MPa)'C
45
  • Coefficient of linear expansion, mm/mm/'C
108-198 X10-6
  • Water absorption, 24 hrs, %
< 0.01
  • Dielectric strength, KV/mm
15.7-23.6
  • Dielectric constant, 106 Hz
2.2-3.0
  • Volume resistivity, ohm.m
1014 - 1017
  • Power factor
0.00005-0.003
  • Melting point, ‘C
135
  • Vicat softening point,'C
120-130
 
   CHARACTERISTICS
 
  • Very good chemical resistance
  • Resistance to alkalis and many aqueous solution
  • High tensile strength, stiffness, creep resistance, abrasion resistance and hardness than LDPE
  • Tg is well below room temperature
  • Excellent low temperature toughness
  • Good thermal stability
  • Good insulation properties
  • Non- polar in nature
  • Excellent water vapor barrier performance
  • Possess high specific heat
 
   WEIGHT CHART FOR ROUND RODS

 
   
H.D.P.E

Sl.no

Size in mm

Size in inches

Wt in Kg/ft

Wt in kg/ mtr

1

6

1/4"

0.009

0.030

2

8

5/16"

0.015

0.050

3

10

3/8"

0.023

0.077

4

12

1/2"

0.030

0.100

5

16

5/8"

0.060

0.200

6

19

3/4"

0.090

0.300

7

22

7/8"

0.120

0.400

8

25

1"

0.161

0.536

9

29

1 1/8"

0.202

0.673

10

32

1 1/4"

0.230

0.766

11

35

1 3/8"

0.304

1.012

12

38

1 1/2"

0.320

1.066

13

41

1 5/8"

0.410

1.365

14

44

1 3/4"

0.465

1.548

15

51

2"

0.620

2.065

16

57

2 1/4"

0.750

2.498

17

64

2 1/2"

0.920

3.064

18

70

2 3/4"

1.166

3.883

19

76

3"

1.380

4.595

20

83

3 1/4"

1.550

5.162

21

89

3 1/2"

1.790

5.961

22

95

3 3/4"

2.010

6.693

23

102

4"

2.320

7.726

24

108

4 1/4"

2.582

8.598

25

114

4 1/2"

2.800

9.324

26

121

4 3/4"

3.180

10.589

27

127

5"

3.680

12.254

28

140

5 1/2"

4.230

14.086

29

152

6"

5.180

17.249

30

165

6 1/2"

6.010

20.013

31

178

7"

7.060

23.510

32

191

7 1/2"

8.020

26.707

33

203

8"

9.280

30.902

34

216

8 1/2"

9.860

32.834

35

229

9"

10.760

35.831

36

254

10"

14.340

47.752

 
   WEIGHT CHART FOR SQUARE RODS
 
     
H.D.P.E

Sl.no

Size in mm

Size in inches

Wt in Kg/ft

Wt in kg/ mtr

1

16 X 16

5/8" X 5/8"

0.070

0.233

2

20 X 20

3/4" X 3/4"

0.120

0.400

3

25 X 25

1" X 1"

0.220

0.733

4

32 X 32

1 1/4" X 1 1/4"

0.360

1.199

5

38 X 38

1 1/2" X 1 1/2"

0.475

1.582

6

50 X 50

2" X 2"

0.820

2.731

7

63 X 63

2 1/2" X 2 1/2"

1.250

4.163

8

75 X 75

3" X 3"

1.750

5.828

9

100 X 100

4" X 4"

2.800

9.324

 
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