(12202 products available)
Ready to Ship
Ready to Ship
Ready to Ship
The term "3G rubbers" in construction refers to a category of rubbers and thermoplastics mainly used in civil engineering. They include EPDM, neoprene, and nitrile, predominantly used in expansion joints. Below are important types:
EPDM (Ethylene Propylene Diene Monomer) Rubber
EPDM is a synthetic rubber highly valued for its excellent resistance to UV light, weather, ozone, heat, and cold. Because of these properties, it's largely used outdoors. It also has good electrical insulation properties and aging retardation properties; hence, it's also used for roofing and electrical insulating applications.
Nitrile Rubber (Buna-N)
Nitrile rubber is a synthetic rubber made of acrylonitrile and butadiene monomers. It is a resilient rubber with excellent resistance to diluted chemical and oil retardation properties. Consequently, it's used in making gaskets, seals, and hose compounds mainly where oil and chemical exposure is likely to occur.
Neoprene
Neoprene is a type of synthetic rubber that's derived from latex. It's predominantly used in construction for sealing materials, insulating forms, and weather-resistant coatings. It has great resistance to temperature, chemicals, and aging retarding properties, thus ideal for outdoor and industrial applications.
SBR (Styrene Butadiene Rubber)
SBR is a synthetic rubber designed for many applications due to its decent abrasion resistance and elasticity properties despite being less oil resistant than nitrile. It's widely used in tires, gaskets, seals, and many general-purpose rubber goods.
3G rubbers and plastics have expansion joint features that make them suitable for variable joints. Some of their features include:
Elasticity and Flexibility
3g rubbers have great elasticity and flexibility. They allow easy deformation without damage. These properties are essential for expansion joints to accommodate movements in structures like bridges. They include the dimensional change brought about by thermal variations and mechanical loads.
Aging and Chemical Resistance
3g rubbers have excellent resistance to climatic factors like ozone, UV light, and environmental factors like chemicals and oils, which denote great aging resistance. EPDM is particularly resistant to ozone and UV, making it suitable for outdoor applications. Nitrile rubber, on the other hand, is resistant to oils and chemicals.
Durability and Strength
3g rubbers are manufactured to withstand mechanical wear and tear and denote high tensile strength. These ensure that these joints last longer and require less frequent maintenance or replacement in places where they are deemed fit.
Temperature Extremes
Many 3g rubbers possess temperature range-extreme resistance, ranging from frigid to high temperatures. This means they can be used in regions with variable climates. For instance, neoprene remains intact at temperature extremes and is used in jackets, sealants, and adhesives.
Mechanical Damping
The elastic nature of 3g rubbers attenuate vibrations and sounds. Hence, they're ideal materials for mechanical damping, which makes them fit for use where noise and vibration control is necessary. For example, rubber expansion joints. They mitigate vibrations from piping systems and machinery in industrial settings.
Various factors and criteria should be considered when purchasing 3g rubber expansion joints. These include the following:
Application Requirements
Consider the specific application the expansion joint will be used for. This could be in the civil engineering field or construction-related duties. Is it for water or chemical transfer? Is it mechanical or thermal? Different materials have different properties, thus suitable for various applications. For instance, nitrile rubber is oil and chemical resistant and is, therefore, ideal in oil and chemical applications.
Compatibility
There should be material compatibility between the 3g rubbers and the environmental factors they should withstand. Such elements include temperature, pressure, and environmental elements. What kind of climate are the rubbers going to be exposed to? EPDM is suitable for outdoor applications due to its great resistance to ozone and UV light.
Performance Criteria
What are the performance requirements? Assess the expected performance features like elasticity, flexibility, tensile strength, and durability. There are benchmark measures that need to be taken so that the particular material can withstand mechanical stress, deformation, and other detrimental elements. For example, SBR may be used in low-stress applications, but neoprene in high-stress ones due to their different elasticity.
Longevity and Maintenance
Rubbers with longer service lives that require little or no maintenance are worth considering. Ideally, every business wants materials that will last longer and require as little maintenance as possible. EPDM and nitrile rubber are long-lasting due to their great aging and environmental resistance. This will need less frequent replacement.
Cost-Effectiveness
Cost is a big consideration. Find cheaper materials with the required performance properties. Nitrile rubber may be cheaper due to their lower oil resistance than neoprene. But if oil resistance is not required, they could be great general-purpose rubbers, and they could also save money since they are less expensive.
3g rubbers and plastics apply in multiple scenarios. Here are some of them:
Civil Engineering/Construction
EPDM, neoprene, and nitrile are used in civil engineering and construction, particularly in expansion joints and seals in bridges, buildings, and other structural designs where movements are accommodated. They are part of the cushioning layer between two structures. They absorb pressure, vibration, and oscillation and prevent crack propagation.
Automotive Industry
Nitrile rubber is used in the automotive industry to manufacture various products such as gaskets, seals, and hoses that resist oil and other chemicals. These help ensure vehicles function effectively. SBR is used to make tires where it improves traction and wear resistance.
Appliances
In household appliances such as refrigerators and air conditioners, Neoprene cushions, gaskets, and seals are used in cushioning parts and insulating thermally and acoustically.
Container Gaskets and Seals
Gaskets and seals are used in containers to prevent leakage. Nitrile rubber is vastly used in such applications due to oil and chemical resistance. This makes it ideal for sealing containers for food or chemicals.
Industrial Applications
Industrial machinery uses 3g rubbers to minimize noise and vibrational damping. For example, neoprene cushions vibrating machines in an industry to prevent noise transmission. In addition, rubber expansion joints made of different 3g rubbers act as flexible connections in piping systems to absorb vibrations and misalignments.
Medical Devices
3g rubbers are used in medical devices like syringes and seals for their flexibility, durability, and sterility. Whenever the 3g rubbers are manufactured, care must be taken not to use hazardous chemicals that will make them dangerous to use.
A1. 3g rubbers are synthetic and natural rubbers used in expansion joints. They include EPDM, neoprene, nitrile, and SBR. They provide flexibility and resistance to wear, tear, mechanical vibration, weather, chemicals, and temperature. They cushion the joints and absorb pressure.
A2. 3G rubbers have many benefits. Their flexibility allows them to easily absorb forces and displacements. They have great durability, as they're resistant to wear and tear. They're also resistant to weathering and chemicals, and some have great electrical insulating properties.
A3. Different factors affect their lifespan, such as environment, usage, and type. In some cases, they can even last for about 20 years with good maintenance.
A4. Yes. 3G rubbers can effectively reduce noise and vibration through their elastic nature. They absorb mechanical vibrations from one surface to another. They then dissipate the energy as heat in the form of elastic deformations.
浙公网安备 33010002000092号
浙B2-20120091-4