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[Basic Infomation]
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[KOREA C.M.B. CO.,LTD.]

  • South Korea South Korea
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Product Detail Information

Roto Press

Roto Press, a tube vulcanizing machine of rotational heating drum type, applies continuous pressure and heat by giving uniform pressure with endless steel belt.

Standard Specification

Product Width(mm)
MAX 1400
Main Roll Dimension(mm)
1200 1500~1750L
Steel Belt Width(mm)
1200~1500
Length of Vulcanized Zone(m)
About 2.5mm
Vulcanization Speed(m/min)
(Reference)0.3 ~ 3 (Range of Speed Changing 1:10)
Belt Pressure(kg/cm2)
max 7 Normal 4
Rolling Temperature
Max175 ~ 195
(Vapor Heating 10~16(kg/cm2)
Back Surface HEating Temperature
Vapor Heating - the same as above
Electric Heating - Max200

Dimensions of Standard Quality Rubber Sheet

Width
With Tolerance
Length
Remark
1.0mm
0.15
25m
Widths are 900mm and 1,200mm, and width tolerances are the rated dimensions of our company on standard quality.
1.6mm
0.2
20m
3.2mm
0.3
15m
4.8mm
0.4
10m
6.4mm
0.5
10m

Types and Characteristics I of Various Raw Rubber

NR/SBR System
CR System
NBR System
EPDM System
Buthyl System(IIS)
Urethane System(U)
Silicon System(SI)
Fluorine System(FKM)

Types and Characteristics II of Various Raw Rubber

Rubber Class
NR
SBR
BR
NBR
EPR
CR
IIR
CSM
ACM
U
SI
FPM
T
Properties of Raw Rubber
Specific Weight
0.92
0.93-0.94
0.91-0.94
1.00-1.20
0.86-0.87
1.15-1.25
0.91-0.93
1.11-1.18
1.09-1.10
1.00-1.30
0.95-0.98
1.80-1.82
1.34-1.41
Patterm
Viscosity
90-150
30-60
35-55
30-100
50-150
45-120
45-75
30-55
45-60
25-60
or liquid
liquid
65-180
25-50
or liquid
Hardenability
10-100
30-100
30-100
15-100
30-90
10-90
20-90
50-90
40-90
60-100
30-90
50-90
30-90
Tensile
Strength
3-30
5-20
2-20
5-25
5-20
5-25
5-15
7-20
7-12
20-45
4-10
7-20
3-15
Elongation
1000-100
800-100
800-100
800-100
800-100
1000-100
800-100
500-100
600-100
800-300
500-50
500-100
700-100
Restitution
Elasticity
A
B
A
B
B
A
C
B
C
A
A
C
C
Tearability
A
C
B
B
C
B
B
B
C
A
D+
B
D+
Abrasion
Resistance
A
A
A
A
B
B+
B
A
B
A
D+
A
D+
Bending
Resistant
Tearability
A
B
C
B
B
B
A
B
B
A
D-B
B
D
Thermo-resistance
120
120
120
130
150
130
150
150
180
80
280
300
80
Coldness
resistance
-50~-70
-30~60
-73
-10~-20
-40~-60
-35~-53
-30~-55
-20~-60
0~-30
-30~-60
-70~-120
-10~-50
+10~-45
Aging-
resistance
B
B
B
A
A
A
A
A
A
B
A
A
A
Ray-resistance
B
B
B
B
A
B
A
A
A
A
A
A
A
Ozon-
resistance
D
D
D
D
A
A
A
A
A
A
A
A
A
Flame-
resistance
D
D
D
D+
D
B
D
B
D+
D+
D~B
A
D
Gas Permeable
Resistance
B
C
B
B
B
B
A
A
B
B
C
A
A
Radio
Resistance
C+
B
D
C+
D
C+
D
C+
D+
B
B+
C+
C+
Oil resistance, chemical resistance
Gasoline, Light Oil
D
D
D
A
D
B
D
B
A
A
D+
A
A
Benzene
Toluene
D
D
D
D+
C
D
D
D+
D
D+
D+
A
A
Alcohol
A
A
A
A
A
A
A
A
D
C
A
A
A
Ether
D
D
D
D+
B
D+
C+
D
D
D
D+
D+
D+
Ketone(MEK)
C+
C+
C+
D
A
C+
A
C+
D
D
B
D
A
Acetic
Acid Ethyl
D+
D+
D+
D+
A
D
A
D
D
C+
C
D
C+
Acidity-
resistance, alkalinity resistance
Water
A
A
A
A
A
A
A
A
C
C
B
A
B
Organce Acid
D
D
D
D+
D
D+
C+
C
D
D
B
D
D
High
Concentration
Inorganic Acid
D
D
D
C
B
B
A
A
C
B
A
C
D
Low
Concentration
Inorganic Acid
B
B
B
B
A
A
A
A
B
C
B
A
C
High
Concentration
Alkaline
B
B
B
B
A
A
A
A
C
D
D
D
D
Low Concentration
Alkaline
B
B
B
B
A
A
A
A
B
D
C
C
C