safety protection equipment industry EMI seals gaskets

Toxic smoke inhalation – the Silent Killer

Importance of UL94 V0 certification for Seals, Gaskets, and Mouldings

Were you aware that people are much more likely to die from smoke than burns during a fire?

Toxic fumes obstruct eyesight, irritate the eyes and lungs, and makes it difficult to breathe. Mental capacity loss, dizziness, fear, and finally unconsciousness leading to death are the end consequences of inhaling toxic smoke. The London Kings Cross fire incident in 1987 is one such example, the official findings stated that, “A jet of flame roared into the ticket hall, which quickly filled with toxic smoke so that even many of those who escaped the flames were overcome and died” (1), all because of toxic smoke inhalation.  Statistics reveal that 41% of fire-related deaths in the UK (2) were caused when people were overpowered by gas, smoke, or poisonous fumes. Continue reading “Toxic smoke inhalation – the Silent Killer”

Joscar Registered

JOSCAR supplier accreditation

Do you have responsibility for the Design, Specification or Purchase of Seals, Gaskets, O Rings or Shielding products for any piece of equipment or application?

How do you know who to contact? A search engine will give you endless companies to choose from, but who you can rely on? Who will ensure the quality, service, design, product range and competitive edge that you need to guarantee?

In a world where everything is changing and evolving, including the requirements of your own products, how do you ensure that you are using the best designs, materials and expertise to keep your products not just up to date but actually ahead of the competition. Please read below.

In the Aerospace, Defence, Security & Space sectors a group of the industry leading companies came up with a simple solution, the Joint Supply Chain Accreditation Register or JOSCAR.

JOSCAR is a collaborative platform for industries and vetted suppliers. It serves as a consolidated repository of compliance information and pre-qualification of trusted suppliers in the defence, aerospace, military, and security industries.

Continue reading “JOSCAR supplier accreditation”

EMI Seals and Gaskets Oscillating Knife Cutter

New Oscillating Knife Cutter

New Oscillating Knife Cutter Adds Greater Versatility

EMI Seals and Gaskets Ltd is pleased to announce that we have just taken delivery of our new oscillating knife cutter to add to our machinery stable.

It is the perfect complement to our waterjet and hydraulic press die-cut machines.

Our state-of-the-art continuous feed oscillating knife cutter has a 3m x 2m bed, a range of interchangeable heads including Stanley knife, drag knife, creasing knife, and kiss cutting knife, is fitted with a digital camera and is able to cut materials up to 50mm thick.

It repeatedly cuts with exacting precision, to within +/- 0.1mm on many materials.

Engineered to cut hard materials such as compressed non-asbestos, steel inserted graphite, hard rubber, cross-linked PE foams, composites, plastics, equally as well as softer more delicate materials such as foams, sponges, paper, and graphite. The continuous feed belt makes it ideal for long runs as well as lower quantity runs and special one offs.

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Elastomer Compression

Optimum Elastomer Gasket Compression

The question of what is the optimum compression for an elastomer gasket, seal or O-ring is one that we are regularly asked. It is one that we also like to be asked as merely torquing any elastomer seal up as hard as can be is not the answer (this will just break down the cell structure and remove the properties for which it was chosen), and we always advise the use of compression stops, where possible, to limit torque.

Of course there is no one size fits all answer as the optimum interference is dependent upon the application, design and the material.

However we recommend working within the window of 25% min – 50% max, with the general sweet spot being 35% compression of the materials thickness. This applies to both solid and sponge elastomers.

These percentages are confirmed by SGS Baseefa Test House, and are also stated on our IECEx Hazaradous Area report for our pre-approved silicone.

Continue reading “Optimum Elastomer Gasket Compression”

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