During production, storage and further processing of glass, interleaving powders are applied.
Primarily such powders work as spacer between two glass panes to countervail the adhesive power. Formerly paper was used. Beside the disadvantage that paper may leave some residue on the glass surface, this process is very costly and extensive.
For more than 30 years, plastic based powder is established as spacer instead of paper. Interleaving powder can be applied without difficulty by technical methods and it allows for instance easy destacking.
By different compositions, special properties can be added to the powders (like antistaining effects).
Today interleaving powder, made of different basic materials, is used in several glass processing methods:
- during flat resp. float glass production
- during the bending process of panes, e.g. for automotive glass
- during the lamination process in autoclaves
- to separate mirrors or glasses after the coating process
- in the production of solar glass to separate panes and modules
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Innovative corrosion inhibiting separating powder for flat glass
The KSL staubtechnik gmbh in cooperation with the TU Freiberg succeeded in developing a novel corrosion inhibiting separating powder with an innovative mode of action.
Over a longer period separating powders are essential in storage and transport of flat glass to avoid the damage of the glass surface by mechanical stress and corrosion. The newly developed product surpasses well known corrosion inhibiting solutions in its effectivity. The usage in existing powder equipment is possible without limitation. It is economical und sustainable. The new product enables the reduction of costs due to decrease of rejections caused by corrosion.
Find further information in the publication of glassworldwide, Edition 54/2014, p.46f, published by Chameleon Business Media Ltd, GBR: here