Type

Numbers of ply

mm

Thickness of rubber coverage

(mm)

Width(mm)

m

Length(m)

Width tolerance

upper

lower

EP100 EP125 EP150 EP200 EP250 EP300

2~8

1.5~9

1.5~4.5

200~2000

≤500

±1%

Item

Unit

Index

NN100

NN150

NN200

NN250

NN300

Adhesive strength

1.5mm

Thickness of cloth and rubber coverage1.5mm

N/mm

≥3.90

≥3.90

≥3.90

≥3.90

≥3.90

≤1.5mm

Thickness of cloth and rubber coverage≤1.5mm

N/mm

≥3.50

≥3.50

≥3.50

≥3.50

≥3.50

Between cloth and cloth plies

N/mm

≥5.00

≥5.00

≥5.00

≥5.00

≥5.00

Longitudinal tensile strength of rubber cloth

N/mm

≥98

≥147

≥196

≥245

≥294

Longitudinal elongation at rupture of all thickness of belt

%

≥10

≥10

≥10

≥10

≥10

Longitudinal reference tensile rate of all thickness of belt

%

≤4

≤4

≤4

≤4

≤4

Properties of rubber covering

Tensile strength

H

Mpa

≥18

≥18

≥18

≥18

≥18

M

Mpa

≥14

≥14

≥14

≥14

≥14

L

Mpa

≥10

≥10

≥10

≥10

≥10

Elongation at rupture

H

%

≥400

≥400

≥400

≥400

≥400

M

%

≥350

≥350

≥350

≥350

≥350

L

%

≥300

≥300

≥300

≥300

≥300

Wear and tear

H

cm3/1.61km

≤0.7

≤0.7

≤0.7

≤0.7

≤0.7

M

cm3/1.61km

≤0.8

≤0.8

≤0.8

≤0.8

≤0.8

L

cm3/1.61km

≤1.0

≤1.0

≤1.0

≤1.0

≤1.0