8 questions to ask a silicone inflatable seals supplier before ...

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When you make the decision about silicone inflatable seals for your product, it is critical that you choose the right silicone rubber manufacturer.

More and more manufacturers across the industry spectrum, from food and drink, medical and pharmaceuticals to aerospace, automotive and construction, are using silicone inflatable seals, which are also known as pneumatic seals.

One of the main reasons for this choice is the fact that silicone inflatable seals are a highly effective means of sealing parts that move in relation to one another and need to be connected and disconnected at different moments. Another key factor is the ability of high-quality silicone inflatable seals to function in extreme temperatures, from 60°C to +220°C, as well as even higher temperatures for short periods.

How to make sure that you choose the right silicone inflatable seal supplier

To help make sure that you select the right supplier of silicone inflatable seals, we have put together a list of key questions to ask:

1. What experience of manufacturing inflatable seals do you have? Your silicone inflatable seals must be manufactured to exact tolerances and specifications. This requires specific expertise, including the correct completion of precise moulding and joining processes and operational procedures. Also vital is an in-depth knowledge of the silicone compounds used in the manufacturing process.

2. What equipment and machinery do you use? It is essential that your silicone inflatable seals are of the highest quality. To ensure this, your supplier should operate the latest technology and have the ability to carry out advanced processes. For example, the use of vulcanisation to mould valves into extrusions and to mould extrusions together to create seals that can be expanded and contracted at will. You should also be able to see evidence that the supplier invests in maintaining this level of service.
    
3. What design capabilities do you have? Your silicone inflatable seal will have exact requirements. Therefore, it is critical that your solution is precision made. By choosing a supplier with in-house design capabilities, you can be assured of this accuracy. Also, this expertise ensures that the design-to-manufacture process runs smoothly.

4. What stock do you carry? It is important that the silicone rubber manufacturer that you choose can quickly and efficiently meet your silicone inflatable seal demands. To do so, they need to carry a large stock of components and should have a strong supplier network that is underpinned by an advanced supply management system.
    
5. What testing do you carry out? Testing is an important part of the design and manufacturing process and integral to the quality and performance of your silicone inflatable seals and the products of which they are a part. Your supplier should have comprehensive testing capability, such as pressure-gauge testing to specific PSIs.

6. Do you operate in accordance with international standards? You shouldn’t choose a silicone inflatable seal supplier that doesn’t have ISO 9001 certification. This international standard is a guarantee that the manufacturer consistently provides services that meet customer and regulatory requirements.
    
7. Do you use a product identification system? This level of supply chain management, and the visibility that it affords you, helps to ensure that you receive superior product quality. You can easily and quickly track production, match parts and verify processes using batch numbers, optimising efficiency and avoiding unnecessary costs and waste.

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8. Do you offer an end-to-end service? To help ensure the highest level of quality control for your products, an accelerated order-processing schedule and greater cost-efficiency, your silicone inflatable seal supplier should offer design, manufacturing and testing services on an in-house basis.

Want to know more about Advanced Materials silicone inflatable seal solutions?

Contact us on 01903 713566 or sales@amsilicones.co.uk.

Proper rubber testing is crucial to avoid catastrophic gasket failure or seal failure during the operation of heavy-duty manufacturing and industrial applications. Rubber components are, in general, known for their durability, elasticity, strength, and reliability. Today, the vast majority of rubber products are made of elastomeric polymers, synthetic compounds that hold similar properties as natural rubber, along with additional properties for specific applications. Think neoprene, butyl rubbers, Buna rubbers, silicone, and so forth.

Whether natural or synthetic rubber, when subjected to certain conditions, the rubber material is still susceptible to fatigue and failure. However, suppose it is premature or unanticipated. In that case, it can impair plant machinery’s efficiency, damage equipment or engines, slow or halt production, cause injuries, or even lead to catastrophic failure of vital manufacturing applications.

A variety of factors can influence fatigue and failure of rubber components. Overall, three of the leading causes are the component’s operating environment, age and temperature, and mechanical failure. With prior testing and proper analysis of the material, rubber fatigue, and rubber product failure can be avoided. Let’s take a closer look:

Operating Environment

Their operating environment greatly impacts the performance of rubber products. Not all rubber mechanical properties are alike. The composition of rubber materials varies relating to their function. Some are designed for contact with corrosive substances, fluids, or chemicals, while others are designed for oils and lubricants. The strength of some types of rubbers wears down prematurely when used in electrical applications, while the wrong component material in oxygen-related applications can lead to fatigue cracks and brittleness.

Seals and gaskets used in applications incompatible with a material’s mechanical properties will lead to fatigue and failure. Proper analysis of material composition and fatigue testing in the product’s intended operating environment ensures that rubber products consist of the right compounds that hold properties compatible with that application environment. Prior use testing accurately demonstrates how a rubber component will perform under specific conditions for a given application.

Age and Temperature

Longevity and resiliency, along with temperature resistance, are much sought-after properties commonly associated with rubber product applications. Seals and gaskets are expected to last a long time and operate in extreme temperatures without failure. It’s a sure thing that the longer a component is used in an application, the less effective it becomes. Yet, there’s little doubt that, without the proper material, rubber components subjected to extreme temperature environments can cause the materials to expand and contract, and alter and shift dimensions in a short time, and lead to fatigue, premature wear, and become ineffective. In truth, many rubber compounds are designed to function within certain temperature ranges. Knowing a product’s temperature range is vital for its application requirements and longevity. When designing a seal for extreme temperature applications, prior testing of material can ensure the application functions as long as it’s designed to. Without prior testing, seal or gasket failure in extreme temperatures can have catastrophic consequences, costly, if not life-threatening.

Mechanical Failure

Though all seals eventually wear out over time, prior testing of rubber material allows operators to regularly schedule maintenance at set intervals to prevent damage to machines, engines, and equipment. Problems arise when the premature mechanical failure of a seal happens. Friction, heat, and improper installation can contribute to premature failure of a seal or gasket. However, brittle fracture and ductile fracture are often the leading culprits of mechanical failure in seals. Without the necessary ductility for an application, the material will crack with permanent deformation co-occurring under above-average strain. Brittle fractures are small, crack-like defects that occur under low strain when the material is subjected to smaller stresses than the yield limit of the material. Unlike a ductile fracture, a brittle fracture has little or no signs of deformation of the material. Either type of failure can be avoided with prior testing of the material before its application.

Contact the Experts at Manufacturer’s Rubber & Supply

Seals and gaskets must be able to operate over a wide range of conditions, temperatures, and environments. Reliable sealing results from the proper design and selection of materials for the intended application. To obtain optimum operating results and avoid rubber product failures such as gasket failure or seal failure, prior analysis of the material combined with fatigue testing before use will ensure the component’s longevity and integrity. To learn more, contact our team at Manufacturer’s Rubber today!

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