Staining trays made of pressed glass,

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for 10 microscope slides approx. 76x26 mm, made of heavy-walled soda lime glass, for glass dish Cat. No. 42 000 04, packing unit: 10 pieces Glass staining articles made of heavy-walled soda lime glass have a relatively high coefficient of expansion. Due to their material they must not be exposed to rapid temperature changes but have to be heated slowly and also cooled down slowly in order to avoid cracks caused by tensions.