Brass assembling components
On principle there are two different quality levels of brass: the cheaper "coor brass", which in Indonesian means “moulded”, which is produced from old brass which is melted again and cast into an ingot form, and, secondly "solid brass", which is produced (stamped) from sheets of industrial brass or cut from brass bars and then brought into form by milling techniques.
The “coor” quality is found mainly in all standard products, and they carry the following main disadvantages:
1. For reasons of greed, it happens often that raw material is mixed with other, cheaper materials such as iron core. The result is other material properties, i.e. rusting brass. Real brass may oxidize but it will never rust.
2. The moulded brass has the same properties as cast iron, namely it is very tough but rough, reason for which it is easily breakable and not suitable for deforming.
3. The cast semi-finished products are processed most of time on obsolete and imprecise equipment, the result being inexact caps and threads, bore holes which are not centred that create weaknesses on the product.
This quality of brass fittings does not correspond to the European standards of quality, the result being break or loss of screws and rust.
"Solid fittings" are made of semi-finished products (boards or bars) processed by lathe, the standardised recipe established by industrial standards, which allow only small tolerances and the material is more elastic and does not tend to break.
Such fittings are manufactured only in large factories with better milling machines and better finishing tolerance.
On principle we use, with small exceptions (i.e. those components which can only be made by casting), solid fittings; additionally we also use a system of fittings we designed that prevents self-detaching of joints with screws. Detailed information can be found in the "Products/Product Innovations" chapter.
Stainless steel assembling components
For the new models of teak wood furniture with stainless steel we use only stainless steel chromium-nickel screws (quality 304).
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