Rubber Hose
Our goal is to become your true partner in the field of rubber hose in China. Zhongtian is a provider of complete and innovative solutions for rotomolding needs. The service and sales team are easy to work with to meet needs of our clients.
Why choose us
Product Application
Our product range includes four series: dredging pipe products, blow molding products, rotational molding molds, and rotational molding products. It is used in various industries, such as the automotive industry, outdoor furniture, toys and children's products, entertainment facilities, public building facilities, medical equipment, various storage and use water tanks and oil tanks, etc.
Production Equipment
Zhongtian has CNC rolling machines with 3 rollers, CNC rolling machines with 4 rollers, CNC bending machines, CNC cutting machines, CNC shearing machines, CNC machining centers and other related tools and facilities. For dredging pipline production, Xincheng has 6 extruding machines, 8 rotational molding machines. For blow molding production, Xincheng has two blow molding machines.
Our Certificates
The certificates we have obtained are: GB/T19001-2016 / ISO9001:2015.
Production Market
Our products enjoy a good reputation among domestic and foreign customers. Our export market has gradually expanded to Europe and the United States.
Advantages of Rubber Hose
Resistance to Temperature
One of the most significant advantages of rubber hoses over EPDM hoses is their resistance to high temperatures. rubber hoses can withstand temperatures ranging from -50°C to +220°C, making them ideal for use in high-performance automotive, marine, and industrial applications. EPDM hoses, on the other hand, have a lower temperature range, typically ranging from -40°C to +125°C.
Durability
Another advantage of rubber hoses is their durability. Silicone is a highly durable material that is resistant to wear and tear. This makes rubber hoses ideal for use in tough environments, where exposure to oil, grease, and other chemicals is common. EPDM hoses, while still durable, are not as resistant to these substances as rubber hoses.
Flexibility
Rubber hoses are also highly flexible, which makes them the ideal choice for applications where movement or vibration is a concern. The flexibility of rubber hoses allows them to bend without kinking or collapsing, which can be a problem with EPDM hoses.
Versatility
Rubber hoses are renowned for their versatility, catering to a wide range of applications. From heavy-duty tasks in construction sites to delicate operations in laboratories, these hoses deliver exceptional performance.
Application of Rubber Hose
Automotive
Air brake systems in vehicles usually utilize rubber hoses with oil and grease-resistant rubber hoses. Additionally many automotive hoses such as ones for fuel systems use rubber hoses as well. Radiators make use of rubber hoses with specialized covers to protect against heat.
Agriculture
There are several varieties of rubber hoses used on farms and other segments of agriculture. It can be used to transfer grains, for irrigation, and in the harvesting equipment. Additionally, hoses are used for moving animal feed and fertilizer, both chemical and natural (manure).
Food Processing
One of the important traits of a food-grade hose, is that it must have thick walls to prevent kinking. However, the hose still needs to be flexible. Since most food products contain acids and chemicals food grade rubber hose’s resistance to those substances is vital. Hoses for this industry must also be manufactured using a special process that avoids the transference of odors and tastes.
Pharmaceutical and Medical
Medical and pharmaceutical grade rubber hoses are normally also produced using silicone rubber. The quality has to be impeccable as they’re used in implantations, feeding tubes, and other sensitive applications.
Rubber Hose Materials Include
Natural rubber
Natural rubber is a popular material for rubber hoses because it is inexpensive and has good abrasion resistance.
Butyl rubber
Butyl rubber is a synthetic rubber that is known for its excellent airtightness.
Neoprene rubber
Neoprene rubber is a synthetic rubber that has good heat resistance and weather resistance.
EPDM rubber
EPDM rubber is a synthetic rubber that has excellent UV resistance and weather resistance.
Production Process of Rubber Hose
Material Selection and Preparation
The process begins with the selection of raw materials. The primary component, rubber, can be natural or synthetic, depending on the hose’s requirements. Additives such as carbon black for reinforcement, plasticisers for flexibility, and antioxidants for durability are carefully chosen and blended to create a rubber compound that meets specific performance criteria.
Extrusion of the Inner Tube
The inner tube is the first layer to be formed. The rubber compound is fed into an extruder, where it is heated and forced through a die that shapes it into a continuous tube.
Reinforcement Layer Application
Once the inner tube is extruded, it’s time to add the reinforcement layer. This can be done in various ways, such as braiding, spiraling, or knitting textile fibers or wire around the tube.
Vulcanisation
After the reinforcement layer is applied, the hose assembly goes through vulcanisation, also known as curing. This process involves heating the hose in a press or autoclave, which causes the rubber to undergo a chemical reaction that cross-links the polymer chains, giving the material its final properties of elasticity and strength.
Applying the Outer Cover
The outer cover is then applied over the reinforcement layer. This may involve another extrusion process similar to that of the inner tube, or it could be wrapped around the hose in a spiral fashion.
Cooling and Finishing
Once the hose is fully assembled, it is cooled slowly to stabilise its form. The hose may then be cut to length, fitted with connectors, or undergo additional finishing processes such as wrapping or labeling.
Quality Control
Throughout the manufacturing process, quality control is paramount. The hose is subject to various tests to ensure it meets the required specifications. These tests can include burst pressure tests, flexibility assessments, and inspections for imperfections or inconsistencies.
Key Considerations for Transporting Rubber Hoses
Safe Handling
Avoid haphazard dragging during loading and unloading. Employ lifting equipment or specialized machinery for heavy hoses to prevent accidental damage that could disrupt workflows.
Proper Packaging
Ship hoses in orderly rolls to maintain their shape and integrity. Refrain from creating sharp bends or folds and avoid placing heavy objects on top of the hoses.
Support for Long Hoses
When transporting elongated hoses exceeding the loading area, utilize brackets for additional support to prevent ground damage.
Gentle Loading and Unloading
Exercise caution and light handling when loading and unloading hoses to prevent any mishaps.
Storage Precautions
If outdoor storage is necessary, ensure a flat surface, place hoses neatly with adequate support underneath and a cover on top. Avoid contact with heat sources and the stacking of heavy items.
Avoiding Contamination
Strictly prohibit the exposure of hoses to acids, alkalis, oils, organic solvents, or flammable substances. Prevent direct contact with sharp-edged goods to maintain hose integrity.
FAQ
As one of the leading rubber hose manufacturers and suppliers in China, we warmly welcome you to buy high quality rubber hose in stock here and get free sample from our factory. Contact us for customized service.