Our Rubber Material experts help you choose the right Rubber for your projects, Here are some Tips!
Tips to Choose the Right Rubber Materials for Your Products?
Rubber is an incredibly versatile material. It can be used for countless applications, from automobile components to medical equipment to Agriculture Industry, Rubber can do it all. Many people use rubber without proper consideration of the type of rubber used, which can lead to poor results.
An important step in rubber evaluation is to identify what kind of rubber is needed for a product. Knowing these parameters will help you make an informed decision. Here, Ashutosh Rubber provides some tips that may help you choose the right rubber materials for your products.
1. Understand the temperature of your product.
High/Low, Varying temperatures.
2. Understand the Environmental stress products will be undergoing.
Uv rays /Ozone/ Gases / Acids
3. Understand the physical forces on the product.
4. Understand the Elasticity of the product.
5. Understand if the product is Aliphatic Hydrocarbon/Aromatic Hydrocarbon/ Oxygenated or has Lacquer Solvents
After you are clear with the above parameters, check-in into various rubber material and their properties.
1. Natural Rubber
Natural rubber is durable, abrasion resistant, vibration dampening, and costs less than many alternative polymers. Its great tensile strength and elongation make it an extremely tough and resilient material.
It has some resistance to sunlight, weather, oils, gasoline, greases, solvents, petroleum oils, animal and vegetable oils, silicone oil, refrigerants, ammonia, carbon dioxide, water, and steam but oftentimes a synthetic material is better suited to resist these conditions.
Low Temperature: -50°F/-46°C
High Temperature: 275°F/135°C
2. EPDM
EPDM can resist abrasion, UV rays, ozone, aging, and weather, and it's the most waterproof rubber available. EPDM works well for outdoor applications.
Low Temperature: -20°F/-29°C to -60°F/-51°C
High Temperature: 350°F/177°C
3. Silicone
Silicone rubber compounds have characteristics of both inorganic and organic materials, and offer a number of advantages not found in other organic rubbers. Silicone rubbers have fine electrical properties, good chemical stability and flame retardancy, and superior resistance to heat and cold.Mostly used for Industrial applications. Medical applications or food grade applications.
Low Temperature: -150°F/-100°C
High Temperature: 480°F/250°C
4. Nitrile
Nitrile rubber is most popular for its oil resistance, although it’s also tough and temperature resistant. It is three times as puncture resistant as natural rubber, as well as resistant to cuts, abrasion, tears, caustics, and aliphatic hydrocarbons. However, it’s less flexible. Nitrile has weaknesses in dealing with outdoor conditions. Mostly used for for oil, gasoline, and abrasion resistance.
Low Temperature: -22°F/-30°C
High Temperature: 284°F/140°C and for a short period of time up to 320°F/160°C
5. Viton
Viton has excellent aabrasion Resistance and Oil Resistance with high temperature resistance. FKM has excellent heat resistance, excellent resistance to aggressive fuels and chemicals. Common applications are seals and gaskets or other rubber components in contact with biofuels or other extreme fuel or chemical environments.
Low Temperature: -15°F/-26°C
High Temperature: 350°F/177°C
6. Neoprene
Neoprene provides good resistance to ozone, sunlight, oxidation, weather, oils, gasoline, greases, solvents, petroleum oils, animal and vegetable oils, compression set, silicone oil, refrigerants, ammonia, carbon dioxide, water, and steam. Reasonable cost with good all around performance.
Low Temperature: -50°F/-46°C
High Temperature: 275°F/135°C
You will be able to choose easily after understanding all the above parameters, For more information about rubber selection, you can visit the blow link https://ashutoshrubber.com/comparatives-propertie-of-elastomer/ & https://ashutoshrubber.com/solvent-resistances-of-elastomer-in-different-chemical/
Also have a look at below table for more clarity and have a comparative understanding of Rubber Material.
To discuss your application in more detail, contact Ashutosh Rubber Pvt.Ltd . today on +91 93772 29090/ +918511160808 or email at mktg2@ashutoshrubber.com. We will be happy to serve you.
Rubber gaskets play an important and widespread role in everday life. These common items perform a sealing function, preventing the unintended escape or release of liquids, gases, and semi-solids. In industrial and automotive applications, gaskets are an integral part of equipment, machines, systems, and components, ensuring safe operation and reliable performance. In this blog, we provide tips that readers will find helpful for choosing the right rubber gasket for their particular application.
Tip #1: Know the application!
Every application is different, and there is no one gasket material that will successfully service all applications. Choosing the right material is critical for ensuring that a rubber gasket will not fail when placed into service and that it will continue to provide an effective seal over its expected life cycle.
General application factors that should be considered when choosing a rubber gasket include the risks to be managed, whether the gasket will need to support continuous versus intermittent operation, whether the application constitutes standard or severe service, the equipment or joint being sealed, (including the type, number and size of fastening bolts required), and the presence of any regulatory requirements (i.e., NSF/ANSI 61 for potable water applications, or Low-E for low emission requirements). Beyond these general requirements, more specific application-related requirements, such as temperature, pressure, media compatibility, as well as hardness and compression set, must also be considered. These are discussed below.
Reviewing the application requirements, especially temperature and pressure as discussed below, will be useful in highlighting the type of gasket that should be employed. For example, while gaskets made from elastomers or compressed non-asbestos sheet work well for many applications, there are some critical applications involving high temperatures and pressures that require the use of metallic or semi-metallic gaskets.
Tip #2: Consider service temperature
Some elastomers lose strength at higher temperatures. When considering the temperature that a rubber gasket will be exposed to within an application, it is important to consider time as a key factor. What is really important is the length of time that the gasket will be exposed to the maximum temperature likely to be encountered. For this reason, the continuous maximum service temperature is a more relevant and useful parameter than just knowing the maximum temperature alone. As a general rule, as an application’s temperature increases, the range of suitable gasket materials becomes more limited. More precisely, as an application’s temperature approaches the maximum continuous operating temperature recommended for a given material, it will be necessary to consider an alternative material.
Tip #3: Consider service pressure
Pressures within an application can vary widely. Because gasket materials vary in their ability to support the pressures that may exist within an application, the maximum pressure to be serviced by a gasket must be known. As with temperature, as application pressures increase, the range of suitable materials will likely narrow. In addition, pressures may not be continuous within an application and the gasket material may be subject to pressure changes that result from process cycling. A competent gasket supplier will be able to offer guidance on the best material to choose given the range of service pressures that may exist within an application.
Because temperature and pressure are closely related within an application, the product of the application's maximum pressure and temperature (PxT value) can be helpful in material selection. If the gasket material you are considering has a PxT value that is close to your application's PxT value, you may want to consider using a more robust material.
Tip #4: Media compatibility
Gasket materials also have varying resistance to the different fluids and gases with which they can come into contact within an application. Some media are relatively benign, while others, for example, are highly corrosive and may break down a gasket whose material is not able to withstand the aggressive chemical attack. It is therefore important to know the characteristics and properties of the media being sealed and to choose a gasket material that is fully compatible. Once again, competent suppliers will be able to provide guidance on the gasket materials that will best service the media present in your application.
Tip #5: Consider durometer and compression set
Durometer refers to how well a gasket material resists indentation. As a general rule, a rubber gasket should be soft enough to fill and seal the gap between two surfaces, but at the same time needs to be hard enough to resist loading forces and not be extruded out of the joint. Hardness of a gasket elastomer is typically measured by the Shore A scale. Gasket hardness is a relative term – what is hard enough for one application may be too soft for another, so care needs to be exercised in specifying the hardness desired.
Compression set refers to how well a gasket material returns to its original thickness after a load has been imposed. Over time, as a rubber gasket is compressed by a load, it loses resiliency and the ability to return to its original thickness. This loss of resiliency may reduce the gasket’s ability to maintain an effective seal. Because there are different methods of measuring and specifying compression set, it is best to seek advice from a competent gasket supplier on the preferred material for a given application.
Tip #6: Consider life cycle costs
Gaskets of different types and made from different materials naturally have different costs. However, the purchase cost of a gasket is only one component of the total costs incurred over the gasket’s life cycle. Other costs, beyond the purchase cost, should be considered as relevant costs – including costs for installation, inspection and maintenance, downtime, and disposal. Because the purchase price is only one element in the total life cycle costs for a gasket, a gasket which is initially cheaper to buy, but which needs more frequent replacement than another, may actually be more expensive in the long run. Therefore, total life cycle costs, and not just the purchase costs, should be considered when choosing gaskets.
Tip #7: Work with a reputable rubber gasket supplier
Gasket fabrication requires experience, expertise, access to the best materials, and excellent manufacturing capabilities. Reputable suppliers have the knowledge and experience to help their customers choose the right gasket for their application. These suppliers fabricate their gaskets from quality materials, using proven manufacturing methods and techniques. They also carry a wide range of gasket materials, meaning that they can service most applications and ensure ready availability. Finally, for specialized applications, such as those where an oversized gasket may be needed, good suppliers will have the expert fabrication capabilities needed to produce these items.
For over 30 years, CRG has been supplying our customers in Canada and beyond with the finest rubber gaskets. We are a full-service provider that can support all aspects of your gasketing needs. Our experienced team can provide guidance on selecting the appropriate material for your application, and we use the latest CNC technology to produce high-quality gaskets made exactly to your specifications. We stock a wide range of gasketing materials, including elastomers, compressed non-asbestos sheet, and foams and sponges, allowing us to fabricate gaskets for almost any application. We can handle orders of any size and emergency service is available upon request.
To find out more about how CRG can service your rubber gasket needs, contact our sales team directly at crg@canadarubbergroup.com.