Plastic Weld from EMA is an indispensable adhesive for scale modellers and hobbyists working with plastic kits. Its...
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What is Plastic Weld?Read more -
What is a superglue activator?Read moreA superglue activator, also known as a cyanoacrylate (CA) accelerator, is a chemical agent designed to speed up the...
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What is HOf?Read moreH0f (or H0f Feldbahn) is a specific scale within model railways, representing a blend of two key characteristics: the...
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How do I add smoke to a model building?Read moreTo add smoke to a model building, you'll want to create a realistic effect that enhances the overall display. Here's...
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What is the purpose of a backscene?Read moreA backscene is an essential component of a model railway layout, providing a visual backdrop that enhances realism...
What is zamak rot (zinc pest)?
Zamak Rot (also known as zinc pest or Mazak rot) is a problem that plagued some early diecast model parts due to impurities in the alloys used.
The impurities have the potential to corrode parts from within, resulting in alloys becoming fragile. The problem affected many chassis and wheels produced between the 1930s and 1970s. Early signs of rot include the appearance of a white powder-like substance followed by bubbling and the eventual cracking or crumbling of the alloy.
Some modellers have had success prolonging the life of affected components by soaking them in vinegar. This method appears to be most effective when rot is caught in the early stages.
Zink rot caused problems for most model manufacturers of the time but has now been mostly eradicated thanks to the use of improved raw materials and better manufacturing techniques, to the extent that genuine cases of zinc rot in the models of today are virtually unheard of.
Posted in: Rolling stock
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