Product Description
Description of Steel Cord conveyor belt:
Steel cord conveyor belt is a rubber conveyor belt with steel wire as the skeleton.
It has the advantages of high tensile strength, good impact resistance, long service life, low elongation during use, good groove forming ability, and good flexural flexibility, and is suitable for long-distance, long-distance, and high-speed material transportation.
This product is composed of core adhesive, steel wire rope, cover layer, and edge adhesive.
Cord Structure
Cord Pull-out Force-Delivered State & After Thermal Treatment
| Cord Pull-out Force-Delivered State&After Thermal Treatment |
| Strength |
Before Aging(N/mm) |
Afer Aging(N/mm) |
| ST630 |
60 |
55 |
| ST800 |
70 |
65 |
| ST1000 |
80 |
75 |
| ST1250 |
95 |
90 |
| ST1600 |
105 |
95 |
| ST2000 |
105 |
95 |
| ST2500 |
130 |
120 |
| ST3150 |
140 |
130 |
| ST3500 |
145 |
140 |
| ST4000 |
150 |
145 |
| ST4500 |
165 |
160 |
| ST5000 |
175 |
170 |
| ST5400 |
180 |
175 |
Recommended Min.Pulley Diameters(mm)
| Type |
ST630 |
ST800 |
ST1000 |
ST1250 |
ST1600 |
ST2000 |
ST2500 |
ST3150 |
ST3500 |
ST4000 |
ST4500 |
ST5000 |
ST5400 |
St6300 |
ST7000 |
ST7500 |
| Min.pulley Diameter(mm) |
800 |
1000 |
1250 |
1400 |
1600 |
1800 |
2000 |
Cover Rubber Property and Grades
| Test Items |
Cover Rubber Property |
| GB/T9770 |
DIN 22131 |
| D |
H |
L |
P |
W |
X |
Y |
K |
| Tensile Strength |
≥Mpa |
18 |
25 |
20 |
14 |
18 |
25 |
20 |
20 |
| Elongation at Break |
≥% |
400 |
450 |
400 |
350 |
400 |
450 |
400 |
400 |
| Changing Rate of Tensile Strengthafter Aging(70C, 7D) |
% |
-25~+25 |
-25~+25 |
-25~+25 |
-25~+25 |
-25~+25 |
-25-+25 |
-25~+25 |
-25-+25 |
| Abrasion(mm 3) |
≤ |
90 |
120 |
150 |
200 |
90 |
120 |
150 |
200 |
Standard and Main Technical Data
| Type |
Standard and Main Technical Data |
| Normal/conventional |
GB/T 9770, DIN 22131, JIS 6369, AS 1333 |
| Fire Resistant |
Mt 668, Hg 2539, DIN 22131 |
| Conventional Fire Resistant |
Hg2539Il, DIN 22103, DIN 22131 |
| Heat Resistant |
HG/T 2297, ISO 4195 |
| Abrasion Resistant |
Shore Abrasion≤90mm³DIN 22131-W, Shore Abrasion≤70mmASI 333-A |
| Heat resistant Abrasion Resistant |
Heat resistance≤125ºC, Shore Abrasion≤150mm³ |
| Acid, Alkali&Oil Resistant |
Hg 4-846, HG/T 3714, RMA(MOR, OR) |
| Cold Resistant |
Fragility Temperature-50ºC~-20ºC, HG/T 3647 |
| Ozone Resistant |
(Ozone Density) 50PPHM 40ºC/72h(No Crack) |
Techncal Data According to DIN22131
| Specification |
ST1000 |
ST1250 |
ST1600 |
ST2000 |
ST2500 |
ST3150 |
ST3500 |
ST4000 |
ST4500 |
ST5000 |
ST5400 |
| Tensile Strength(N/mm) |
1000 |
1250 |
1600 |
2000 |
2500 |
3150 |
3500 |
4000 |
4500 |
5000 |
5400 |
| Max.Diameter of Cord(mm) |
4.1 |
4.9 |
5.6 |
5.6 |
7.2 |
8.1 |
8.6 |
8.9 |
9.7 |
10.9 |
11.3 |
| Pitch of Cord Tolerance:+1.5(mm) |
12 |
12 |
15 |
12 |
15 |
15 |
15 |
15 |
16 |
17 |
17 |
| Min.Top Rubber Cover Thickness(mm) |
4 |
4 |
4 |
4 |
5 |
5.5 |
6.5 |
7 |
7.5 |
8 |
9 |
| Min.Bottom Rubber Cover Thickness(mm) |
4 |
4 |
4 |
4 |
5 |
5.5 |
6.5 |
7 |
7.5 |
8 |
9 |
| Width(mm) |
Cord Number |
| Width(mm) |
Tolerance(mm) |
| 500 |
±5 |
39 |
34 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
| 650 |
±7 |
51 |
44 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
| 800 |
±8 |
64 |
55 |
50 |
64 |
- |
- |
- |
- |
- |
- |
- |
| 1000 |
±10 |
81 |
69 |
64 |
81 |
64 |
64 |
64 |
64 |
59 |
55 |
55 |
| 1200 |
±10 |
97 |
84 |
77 |
97 |
77 |
77 |
77 |
77 |
71 |
66 |
66 |
| 1400 |
±12 |
114 |
98 |
90 |
114 |
90 |
90 |
90 |
90 |
84 |
78 |
78 |
| 1600 |
±12 |
131 |
112 |
104 |
131 |
104 |
104 |
104 |
104 |
96 |
90 |
90 |
| 1800 |
±14 |
147 |
127 |
117 |
147 |
117 |
117 |
117 |
117 |
109 |
102 |
102 |
| 2000 |
±14 |
164 |
141 |
130 |
164 |
130 |
130 |
130 |
130 |
121 |
113 |
113 |
| 2200 |
±15 |
181 |
155 |
144 |
181 |
144 |
144 |
144 |
144 |
134 |
125 |
125 |
| 2400 |
±15 |
197 |
169 |
157 |
197 |
157 |
157 |
157 |
157 |
146 |
137 |
137 |
| 2600 |
±15 |
214 |
184 |
170 |
314 |
170 |
170 |
170 |
170 |
159 |
149 |
149 |
Techncal Data According to GB
| Specification |
ST630 |
ST800 |
ST1000 |
ST1250 |
ST1600 |
ST2000 |
ST2500 |
ST3150 |
ST3500 |
ST4000 |
ST4500 |
ST5000 |
ST5400 |
ST6300 |
ST7000 |
ST7500 |
| Tensile Strength(N/mm) |
630 |
800 |
1000 |
1250 |
1600 |
2000 |
2500 |
3150 |
3500 |
4000 |
4500 |
5000 |
5400 |
6300 |
7000 |
7500 |
| Max.Diameter of Cord(mm) |
3.0 |
3.5 |
4.0 |
4.5 |
5.0 |
6.0 |
7.5 |
8.1 |
8.6 |
8.9 |
9.7 |
10.9 |
11.3 |
12.3 |
13.5 |
15.0 |
| Pitch of Cord(mm) |
10 |
10 |
12 |
12 |
12 |
12 |
15 |
15 |
15 |
15 |
16 |
17 |
17 |
18 |
19 |
21 |
| Top Rubber Cover Thickness(mm) |
5 |
5 |
6 |
6 |
6 |
8 |
8 |
8 |
8 |
8 |
8 |
8.5 |
9 |
10 |
10 |
10 |
| Bottom Rubber Cover Thickness(mm) |
5 |
5 |
6 |
6 |
6 |
8 |
8 |
8 |
8 |
8 |
8 |
8.5 |
0 |
10 |
10 |
10 |
| Weigh(kg/m) |
18 |
18 |
22.5 |
24 |
25.9 |
31.8 |
36.1 |
40.4 |
43.8 |
45 |
45.1 |
50.7 |
53.4 |
59.6 |
63.7 |
68.7 |
| Width(mm) |
Cord Number |
| 800 |
75 |
75 |
63 |
63 |
63 |
63 |
50 |
50 |
50 |
- |
- |
- |
- |
- |
- |
- |
| 1000 |
95 |
95 |
79 |
79 |
79 |
79 |
64 |
64 |
64 |
64 |
59 |
55 |
55 |
54 |
49 |
45 |
| 1200 |
113 |
113 |
94 |
94 |
94 |
94 |
76 |
77 |
77 |
77 |
71 |
66 |
66 |
63 |
59 |
54 |
| 1400 |
133 |
133 |
111 |
111 |
111 |
111 |
89 |
90 |
90 |
90 |
84 |
78 |
78 |
74 |
69 |
63 |
| 1600 |
151 |
151 |
126 |
126 |
126 |
126 |
101 |
104 |
104 |
104 |
96 |
90 |
90 |
85 |
80 |
72 |
| 1800 |
- |
171 |
143 |
143 |
143 |
143 |
114 |
117 |
117 |
117 |
19 |
102 |
102 |
96 |
90 |
82 |
| 2000 |
- |
- |
159 |
159 |
159 |
159 |
128 |
130 |
130 |
130 |
121 |
113 |
113 |
107 |
101 |
91 |
| 2200 |
- |
- |
- |
- |
- |
176 |
141 |
144 |
144 |
144 |
134 |
125 |
125 |
118 |
111 |
100 |
| 2400 |
|
- |
- |
- |
- |
193 |
155 |
157 |
157 |
157 |
146 |
137 |
137 |
129 |
121 |
109 |
| 2600 |
- |
- |
- |
- |
- |
209 |
168 |
170 |
170 |
170 |
159 |
149 |
149 |
140 |
131 |
119 |
Application
Application of Steel Cord conveyor belt
Steel Cord conveyor belt is a high-strength, wear-resistant, and long-life conveyor belt widely used in various industries that require continuous, efficient, and stable material transportation.
Company Profile
NANJING GUBAI RUBBER& PLASTIC CO. LTD was established in 2000. It is a limited liability company mainly engaged in the production of rubber products, integrating scientific research, technology, industry and trade. Our company is located in the western suburbs of Nanjing, 36 kilometers away from Lukou Airport and 76 kilometers away from Xinshengwu International Shipping Port, with very convenient transportation.
Our main products include: rubber sheet series; Conveyor belt series; Anti-corrosion lining series; Anti static series; Special rubber series; mold product series and plastic product series, More than 500 varieties and specifications of products, and can develop and produce various high-performance and high-quality rubber and plastic products accordingto customer requirements.
Our company has taken the lead in obtaining ISO19001 quality management system certification in the same industry, and participated in drafting national standards for industrial rubber sheets, national standards for fluororubber under general technical conditions, and industry standards for silicone rubber. The National Rubber Standards Committee has established a sub technical committee for environmentally friendly recycled rubber products and a working group for elastic paving materials in our company. Our company has also successfully established a research and development center in collaboration with the School of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics. The Gubai brand trademark has been rated as a famous trademark in Jiangsu Province and a quality credit product in Jiangsu Province.
Our company is willing to sincerely cooperate with domestic and foreign friends with a sound quality assurance system, rigorous and orderly modern management, and a service tenet of high quality, high reputation,
and high efficiency, to jointly create a better future for the rubber and plastic industry.
Rubber rolls workshop
Rubber strips workshop
Certifications
FAQ
1: Are you a manufacturer?
Yes , NANJING GUBAI RUBBER& PLASTIC CO. LTD is a limited liability company mainly engaged in the production of rubber products, integrating scientific research, technology, industry and trade.
2. How can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
Support third-party inspection.
3.What can you buy from us?
Our main products include: rubber sheet series; Conveyor belt series; Anti-corrosion lining series; Anti static series; Special rubber series; mold product series and plastic product series, More than 500 varieties and specifications of products, and can develop and produce various high-performance and high-quality rubber and plastic products accordingto customer requirements.
4. Why should you buy from us not from other suppliers?
Our company has 24 years of production experience, Our factory is about 1800 square meters ,Our capability is about 300000 tons one year .There are about 400 employees. 300 for production, and 100 for office people.We can produce 100 tons each day,and for exporting 500 containers around.
5. What certificate have you passed?
Our factory has passed ISO9001, ISO14001, ISO45001.Our product has passed reach standard testing,and SGS certificate.
6. How do you control your quality?
We inspect three steps:raw material inspection,during production inspection and before warehousing inspection.
7. How often do you inspect your products?
For physical testing,we test every batch,it's about every one hundred meters.
For the surface and size,we check every roll after production and before warehousing.
8. What's your product guarantee period?
Under the condition in the warehouse,we can guarantee two years no cracks even on our lowest grade product.On used products,it should depend on the using condition.
9. Can you print our logo on the rubber sheet or package bags?
Yes,we can print the logo as customer's design.
10. How to deal with the faulty products once we got ?
First ,find the reason ,it is the products problem or damaged by the transportation ,no matter what the reason is ,we will change a new part .
* If you have any questions, please contact us.
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