O-rings are elastomer mechanical gaskets that are designed to be placed in the groove of a machine component. They are usually manufactured in the shape of a torus, which is why they are also known as toric or packing joints. During assembly, the o-ring is compressed between two parts, thus creating a seal between them.
Like any other machine component, immense importance is given to the examination and certification of the o-rings. One of the most common yet important certifications is FDA approval.
The Food and Drug Administration has laid down more than 200 laws ensuring a consistent safe and sterile manufacturing of components and products. This helps to ensure public health and safety at all times.
When a product like an o-ring is given FDA certification, it means that:
If an o-ring is not given approval, and is still used in an industrial application, it can lead to disastrous consequences, such as:
To ensure designed and manufactured o-rings with highest quality, the FDA has laid down a standard titled CFR 21.177.2600. This standard describes in detail the regulations that are required for rubber articles, which are manufactured for repetitive use. As mentioned above, it also lists the materials and rubber polymers that can be used to create the product.
So if you are on the lookout for a seal manufacturer and supplier, make sure you check that his products are FDA approved.
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