Rubber tubing is an ingenious tubular product, meticulously crafted from high-quality rubber. Typically, it consists of an inner and outer rubber layer, supplemented by a robust skeleton layer. This innovative design facilitates the seamless transportation of gases, liquids, slurries, or granular materials. The core function of rubber tubing lies in its exceptional ability to transmit media efficiently, thanks to its elastic sealing and pressure-bearing prowess. Its versatility makes it indispensable across numerous sectors, including industry, automotive, and medical treatment.
1. Introduction of Rubber Pipe Material
Crude Rubber: Boasting remarkable elasticity, wear resistance, and resilience against bending and scratching, this material is ideally suited for low-pressure environments.
Protobutadiene Rubber (SBR): Renowned for its excellent wear resistance and cost-effectiveness, although it offers limited oil resistance.
Cis-Polybutadiene (BR): Distinguished by its superior moisture resistance and outstanding low-temperature resilience, maintaining elasticity even at -50ºC.
Nitrile Rubber (NBR): Known for its exceptional oil resistance, particularly against mineral and lubricating oils, albeit less resistant to ozone and high temperatures.
Chloroprene Rubber (CR): Offers balanced performance with oil, ozone, and aging resistance, making it a versatile choice.
EPDM Rubber (EPDM): Exhibits excellent high-temperature resistance (-50~150ºC) and robust weather resistance, ideal for prolonged outdoor exposure.
Fluorine Rubber (FKM): Excellently resistant to high temperatures (-20~250ºC) and chemical corrosion, perfect for extreme environments.
Silastic (VMQ): Provides outstanding high-temperature tolerance (-70~300ºC), high transparency, and excellent electrical performance.
Chlorinated Sulfated Polyethylene Rubber (CSM): Exceptional resistance to strong acids and alkalis, along with superior permeability resistance.
Conductive Rubber: Incorporates conductive fibers or a metal mesh to effectively prevent static accumulation.
Fire Retardant Rubber: Infused with flame retardants like aluminum hydroxide, and certified to meet UL 94 flame retardant standards.
2. Structural Composition of the Rubber Pipe
The Glue Layer: Directly contacts conveying media, providing remarkable wear, oil, acid, and alkali resistance.
| casing pyl |
Enhance the strength of the tube body, including cotton thread, steel wire, synthetic fiber, etc., to determine the pressure bearing capacity (e. g., the steel wire woven layer can withstand 80~600MPa pressure). |
| External glue layer |
Protect the internal structure from the external environment (such as ultraviolet light, mechanical friction). |
3. Structurally, rubber pipes are expertly categorized into diverse types, such as sandwich hoses, braided hoses, winding hoses, and full hoses.
4. Working Principle of Rubber Pipe
| Pressure transmission and energy buffer |
The hydraulic hose transfers the force through the fluid pressure, and uses the elastic shape of the rubber to absorb the pressure pulsation, and reduce the vibration of the system. For example, the hydraulic pipe of construction machinery bears high pressure (up to 60MPa or above) through a multi-layer steel wire reinforced layer. |
| Shock absorption and displacement compensation |
Rubber soft connection (e. g., flexible rubber joint) absorbs pipe displacement through the elastic deformation of the curtain layer and wire ring to reduce operating noise, which is suitable for pump valve connection and frequent vibration line. |
| Media isolation and leakage prevention |
The compactness of the inner adhesive layer combines with the protection of the outer adhesive layer to prevent the leakage of water, gas or chemicals. For example, the mobility of the coolant between the car radiator and the engine. |
5. Application Areas:
| industrial circle |
Welding gas delivery, hydraulic system, mine ventilation. |
| automotive filed |
Coolant circulation, fuel transmission, air-conditioning system. |
| Medical field |
Infusion tube, surgical instrument catheter. |
| The field of agriculture |
Irrigation system, aquaculture equipment. |
| New energy field |
Automobile battery and wind turbine cooling system, etc. |
6. Standardization and Security Guarantee:
| high-voltage insulation test |
Burst pressure is 3 times the working pressure (such as hydraulic hose). |
| degradation testing |
Simulated high temperature / UV environment assessment life (theoretical value of more than 15 years). |
| Environmental requirements |
Biological based rubber and low VOC (volatile organic compounds) formula meet the sustainable development needs. |
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