01Blog
Anodes, rags and metal in practice
Short practical articles for people who buy and use our materials: how to choose, where to fit, what to check.
01Anodes
Zinc vs aluminium anodes: which to choose for the Baltic Sea
For the Baltic Sea, an aluminium anode (Al-Zn-In alloy) is usually the right choice: the water is brackish and zinc loses activity in it. Zinc remains a reliable option for full-strength sea water. Here is why, and when to use which.
Read02Anodes
How sacrificial anodes work: cathodic protection explained
A sacrificial anode is a piece of more active metal, such as zinc or an aluminium alloy. It corrodes instead of the steel, bronze and aluminium of your vessel or quay. It only works while it is immersed and has a sound electrical connection to the structure. Here is how it works, without formulas.
Read03Anodes
When to replace anodes and where they go: inspection checklist
Replace an anode when it is about half consumed, and check it every time the vessel is lifted or at least once a season. An anode that has hardly changed is also a warning sign. Below: where anodes are fitted, an inspection checklist and replacement rules.
Read04Non-ferrous metals
Brass, bronze or copper: which alloy for which part
Free-machining brass, bronze for bushings and sea water, copper for conductivity — how to choose a grade.
Read05Wiping rags
Types of wiping rags: which grade for which job
For oil and spills, choose terry — it absorbs the most. For parts, hands and tools, choose T-shirt knit. For glass, polishing and paint preparation, choose bed linen: it leaves almost no lint. Below is a table of rag types, plus tips on colour and piece size.
Read06Wiping rags
Rags vs paper vs nonwoven wipes: what really costs less in a workshop
For oil, grease and heavy dirt, cotton rags are usually the cheapest: they absorb more and do not tear. Paper pays off where hygiene and single use matter. Nonwoven wipes are for lint-free work. Compare the cost of a task, not the price of a pack.
Read07Wiping rags
Handling oily rags: storage, self-ignition and disposal
Rags soaked in linseed oil, oil-based stain or oil paint can catch fire on their own — with no spark or flame. Keep them in a closed metal container and dispose of them as hazardous waste, code 15 02 02*. Here is why it happens and a few simple rules for the workshop.
Read08Purchasing
How to choose an industrial supplier: 10 questions for your RFQ
A good supplier answers clearly, before the first order, who they are, what exactly they will deliver and on what terms. Below are 10 questions for an RFQ for wiping rags, anodes and non-ferrous metal. Plus a tip on writing a request that gets you a price first time.
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