Pip conveyor belt

Belt Width

360

600

800

1000

1100

1300

1600

1850

2250

2450

2900

3100

Pipe diameter

100

150

200

250

300

350

400

500

600

700

800

850

Performance class of cover rubber

Tensile Strength MPa≥

Elongation at break %≥

abrasionmm3≤

 Ozone Resistant

the tensile strength and elongation at break’s change rate after aging%

D

18.0

400

90

No cracking

－25～+25

H

24.0

450

120

No cracking

－25～+25

T1、T2

10.0

300

200

-

－45～+45

A.Ozone resistant test condition：concentration (50±5)*10-8 (volume fraction), temperature (40±2)℃, elongation (20±2)%, time 96h.

B. hot air ageing test condition: D and H type pipe conveying belt  70℃*168h; T1 type pipe conveying belt 100℃*168h; T2 type pipe conveying belt 125℃*168h.

Note：D—High Abrasion；H—anti-tear；T1—Heat Resistant under 100℃；T2—High Resistant under 125℃

 Item

 Ply to Ply

transition part to Ply

cover rubber to ply

Thickness of cover≤1.5mm

Thickness of cover ＞1.5mm

Maximum value of all samples，≤

20

20

20

20

Average value of all samples，≥

8.0

8.0

5.0

6.0

Minimum value of all samples，≥

7.4

7.4

4.4

5.4

Nominal diameter，mm

Φ200

Φ250

Φ300

Φ350

Φ400

Φ500

Φ600

Φ700

Outer Diameter，mm

218

282

308

361

457

543

640

728

Belt Width，mm

800

1000

1100

1300

1600

1850

2250

2450

ITEM

St630

St800

St1000

St1250

St1600

St2000

St2500

St2800

St3150

St3500

St4000

St4500

St5000

St5400

Longitudinal

Tensile strength，N/mm

630

800

1000

1250

1600

2000

2500

2800

3150

3500

4000

4500

5000

5400

Maximum diameter of steel cord，mm

3.0

3.5

4.0

4.5

5.0

6.0

7.2

7.6

8.1

8.6

8.9

9.7

10.9

11.3

Pitch of steel cord，mm

10±1.5

10±1.5

12±1.5

12±1.5

12±1.5

12±1.5

15±1.5

15±1.5

15±1.5

15±1.5

15±1.5

16±1.5

17±1.5

17±1.5

Top cover thickness，mm

6

6

6

6

8

8

8

8

10

10

10

10

10

10

Bottom cover thickness，mm

6

6

6

6

6

6

8

8

8

8

10

10

10

10

Belt width mm

Number of Steel cord

St630

St800

St1000

St1250

St1600

St2000

St2500

St2800

St3150

St3500

St4000

St4500

St5000

St5400

800

75

75

63

63

63

63

50

50

50

50

1000

95

95

79

79

79

79

64

64

64

64

64

59

55

55

1100

105

105

87

87

87

87

69

69

69

69

69

65

61

61

1300

124

124

103

103

103

103

83

83

83

83

83

77

72

72

1600

151

151

126

126

126

126

101

101

101

104

104

96

90

90

1850

177

177

147

147

147

147

119

119

119

119

119

111

104

104

2250

181

181

181

181

145

145

145

145

145

137

125

125

2450

197

197

197

197

158

158

158

158

158

148

139

139

Performance class of cover rubber

Tensile strength MPa≥

Elongation at break%≥

abrasionmm3≤

Ozone resistance

the tensile strength and elongation at break’s change rate after aging%

H

25

450

120

No cracking

－25～+25

D

18

400

90

No cracking

－25～+25

L

20

400

150

No cracking

－25～+25

Note：H- High Anti-tear ；D—High abrasion；L—Moderate abrasion。

A.Ozone resistant test condition：concentration (50±5)*10-8 (volume fraction), temperature (40±2)℃, elongation (20±2)%, time 96h.

B. hot air ageing test condition: 70℃*168h;