Product Description
Rubber filter beltRubber filter belt also named vacuum belt, is the critical part of DU series rubber belt vacuum, vacuum belt hydro extractor and vacuum belt stock washer. The framework of the belt is adopted high strength polyester canvas, which can meet the need of resisting the acid and alkali, heat, oil and coldness. The belt has the advantage of low distortion and volume change.According to different industry condition, the top and bottom rubber covers of the filter belt can adopt different formulations; the shaping of the rubber belt adopt one time whole compound technology, which can capability of the rubber belt.ensure the smoothness requirement and stable capability of the rubber belt.



In order to prevent the filtrate from overflowing, adopting an integrated structure of bonding waveform apron with parallel rubber belt, this kind of conveyor apron has a good retractility with its structure, which can prevent deviation and breakage of apron via roller, effective in preventing leakage of feed pulp and convenient for replacement. When passing by the roller, the skirt-edge will not be broke, and also can avoid the filter cloth crimpled. On the surface of rubber belt there are rows of crosswise grooves, this is called draining belt, with one or many rows of draining holes, the function of the draining holes is to collect filtrate into the vacuum box.The draining holes are pure rubber structure, which to Impede the acid and alkali liquid to erode the framework of the belt, and can prolong the service life greatly of the filter belt.


Product features classification
Filter belt of resisting acid and alkali
This kind of filter belt applicable for different working conditions which contacting with acid and alkali, such as phosphate fertilizer, alumina, catalyst (4A fluor), and so on. The cover rubber adopts the mixture of rubber and plastics, and fills with anti-acid and alkali superior inert materials, which is much better than the chloroprene rubber anti-acid and alkali. The framework of the belt is adopts high strength polyester canvas, which is stronger than the cotton canvas anti-acid and alkali. The draining holes are pure rubber structure, which to impede the acid and alkali liquid to erode the framework of the belt, and can prolong the service life greatly of the filter belt.


Filter belt of resisting heat
This kind of filter belt is mainly used in filtering high temperature materials ,80ºC< anti - temperature <105°ºC. The cover rubber adopts the EPDM rubber material which has a good capability in resisting heat and aging . The framework of the belt is adopts high strength polyester canvas , and between the cover rubber and framework can lald anti - heat glass cloth . The draining holes are pure rubber structure , which to impede high temperature and filtrate to affect the framework . The service life of the filter belt can prolong greatly .
Filter belt of resisting oil
This kind of filter belt applicable for filtering various kind of oil materials . The cover rubber adopts butadiene rubber, and the framework of the belt is adopts high strength polyester canvas . The belt has the advantages of low distortion and volume change , high strength , wide use ranges and so on .


Filter belt of resisting coldness
This kind of filter belt applicable for the working conditions which the temperature between -40Cand+70°ºC. The framework of the belt is adopts high strength polyester canvas , and the cover rubber adopts crude rubber and 4- polybutadiene rubber . The belt has the features of great flexibility , resisting impact and coldness
Super Wide Rubbber Filter Belt
With the development of the vacuum belt filter industry, more and more filters need 4m and wider belts. Sunny has the largest vulcanizing machine(3500x6600mm) in China, which can produce belt width to 6m.

| Item | Index | |
| Tensile strength MPa |
≥14.0 | |
| Elongation at break (%) |
≥350 | |
| Abrasion loss (mm³) |
≤200 | |
| Hardness Shaw(A) |
60~70 | |
| Physical property after aging of 70°C×168h | Change rate of strength (%) |
±25 |
| Change rate of elongation (%) |
±25 | |
| End use temperature(ºC) | -10~70 | |
Package



Product Inspection
Complete advanced inspection facility, and ensure a batch inspection of the raw materials and finished products. It can ensure the stability and reliability of the product quality, and also meet the requirements of the customer about the capability of the products.


Company profile
Yantai Sunny Rubber Co., Ltd established in 2005, located in Economic Development Area of Qixia City, Shandong Province. It is high-tech enterprise. Main products are pneumatically operated spillway gate, rubber dam, filter belt, conveyor belt, etc.
The workshop is 22,000 square meters, equipment 200 sets, worker 230. It owns 11 patents for invention, 18 patents for utility. With the full capacity of design, production, installation and after sales, more than 100 spillway gates were built by Sunny in domestic, for power plant impounding and river management. Our product also export to Italy, Thailand, Philippines, South Africa, Argentina etc.



About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASR245679". Items marked "" are certified.
Yantai Sunny Rubber Co., Ltd.
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Yantai Sunny Rubber Co., Ltd.
Yantai Sunny Rubber Co., Ltd.
Yantai Sunny Rubber Co., Ltd.
Yantai Sunny Rubber Co., Ltd.
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Company Profile
Yantai Sunny Rubber Co., Ltd(drafter of rubber filter belt in China) was founded in 2005, located in Songshan Development Zone, Yantai City, Shandong Province. It is a civil company shifted from military technology (Belonging to Nuclear industry system previously). It is a high-tech enterprise engaged in designing, manufacturing and sales of rubber filter belt, rubber conveyor belt, and proposing, installation and service of air bladder support gate(pneumatically operated spillway gate).
Our rubber filter belt, rubber dams, air bladder support gate and other products have already been included in excellent project tender recommendation directory of national Ministry of Water Resources, and passed the technical evaluation of National Water Resources Experts Committee. We provide comprehensive management services such as river channel improvement, flow optimization, water purification, ecological restoration and landscape enhancement, and are widely used in nuclear power security, power station water storage, water conservancy flood control, sediment dredging and etc. From Ju Mahe lake in Beijing to Xianyang Lake in Shanxi province, from the West River New District Fenghe to Longjiang River in Jinggangshan of Jiangxi province, from Heihe Zhangye in Gansu province to Daxing River, Ya'an in Sichuan province, from Taishan Nuclear Power Station to Shuibei Power Station in Yihuang, Jiangxi province, from Korea, Malaysia, Indonesia to Italy, Brazil, South Africa, we have more than a thousand of projects across the river north and south, all over the world.
In the future, we will continue to innovate and improve the industrial chain, expand black odorous water treatment, sediment dredging, ecological wetland construction, landscape upgrading and other business, provide customers with the whole service process of design and consulting, engineering construction, intelligent operation and maintenance. We will provide comprehensive management solution for regional watershed, and continue to provide protection for water ecology, water environment, water resources and water security.
View MoreAbout Our Factory & Business Background
Business Type
- Manufacturer/Factory & Trading Company
- Address
- Songshan Economic Development Zone, Qixia, Yantai, Shandong, China
Plant Area
- 7921 square meters
Number of Employees
- 143
Registered Capital
- 55,555,500 RMB
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
Average Lead Time
- Peak Season Lead Time: one month
Off Season Lead Time: one month Nearest Port
- Qingdao Port
Minimum Order Quantity
- 1
Supply Chain Partners
- 10
Our Production Capability & Technical Expertise
Main Products
- Air Bladder Support Gate, Rubber Filter Belt, Rubber Conveyor Belt, Pneumatically Operated Spillway Gate, Rubber Dam
Production Lines
- 10
Production Machines
- Dam Bag Joint Production Line, Molding Line, Rolling Line, Secret Refining Line, Vulcanizating Line
QA/QC inspectors
- 4 people
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
Inspection Method for Finished Products
- Have instructions and uniformly followed
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
ODM Service Available
- Yes
OEM Service Available
- Yes
R&D Engineers
- 3 people
Traceability of Raw Materials
- Yes
Test Reports for Raw Materials
- Others
Own Brand
- Yes
Our Industry Experience & Global Business Record
Year of Establishment
- 2005-07-27
Export Year
- 19 Years
Main Markets
- North America, South America, Europe, Southeast Asia/ Mideast, Africa, East Asia(Japan/ South Korea)
Repeat Buyers Choice
- 50%~80%
Number of Foreign Trading Staff
- 5
Overseas Agent/Branch
- No
New Products Launched in Last year
- Yes
Our Certifications, Standards & Industry Recognition
Cooperated with Fortune 500
- No
FAQ
- What is the maximum width of the rubber filter belt?
- The belt can be produced up to 6 meters wide using our large vulcanizing machine.
- Can the belt be customized for specific lengths and thicknesses?
- Yes, we offer customization with lengths from 1 to 200 meters and thicknesses from 8 to 50 mm.
- What materials are used for the belt framework?
- The framework adopts high-strength polyester canvas, which is stronger than cotton canvas.
- Is the belt suitable for acidic and alkaline environments?
- Yes, the pure rubber draining holes and cover rubber prevent acid and alkali from eroding the framework.
- Do you offer OEM and ODM services?
- Yes, we provide full customization, minor customization, and services based on samples or designs.
- How is the product quality ensured?
- We perform 100% visual and function inspection on all finished products to ensure stability and reliability.
- What are the available payment terms?
- We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payments.
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