Material Guide
How to Choose a Rubber Seal Material in Six Questions
Six questions decide almost every seal material choice. Answer them before you ask for a price, and the quotation you get back will be worth comparing.
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Knowledge Centre
Seal and Moulding Guides Written for Buyers
Material selection, size standards, moulding processes and sourcing checklists, written from the questions our own customers ask before placing a first order.
Design Guide
The AS568 O-Ring Size Standard and Why It Saves You Tooling
AS568 is the reason some O-ring quotations come back with no tooling charge and a short lead time, and others do not.
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Comparison Guide
FFKM or FKM Which One Your Application Actually Needs
FFKM is not simply a better FKM. It is a different commercial decision, and specifying it by reflex wastes money as reliably as under specifying wastes uptime.
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Comparison Guide
EPDM and NBR Where Each One Belongs and Where It Fails
These two compounds cover an enormous share of industrial sealing between them, and they fail in each other's territory. Getting the boundary right removes most avoidable seal problems.
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Process Guide
Compression Transfer and Injection Moulding for Rubber Parts
The moulding process decides tooling cost, cycle time and how much detail a part can carry. Choosing it is a commercial decision as much as a technical one.
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Process Guide
Why Rubber to Metal Bonded Parts Go Wrong and How to Buy Them
Bushings, mounts and anti vibration parts fail at the bond far more often than in the rubber. Split sourcing is the reason, and it is fixable at the purchase order stage.
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Buying Guide
What to Check Before Ordering Silicone Hot Water Bags
A silicone hot water bag is a consumer product with a safety dimension, which makes the sourcing checklist different from an industrial rubber part.
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About These Guides
Who writes these guides?
Our own engineering and sales team, from the questions buyers actually ask us. They are not rewritten supplier datasheets.
Will you recommend the cheaper option if it works?
Yes. We hold twelve compounds and have no incentive to push one of them, which is the only thing that makes the advice worth reading.
Can I ask a question that is not covered here?
Yes. Send it by WhatsApp or email and an engineer will answer within one working day.
Still Not Sure Which Compound
Describe the medium, the temperature and the movement. An engineer will answer, not a sales script.