Porcelain Crucibles, Chemglass

Supplier: Chemglass
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89492-770EA 11.14 USD
89492-770 89492-772 89492-774 89492-776 89492-778 89492-780 89492-782 89492-784 89492-786 89492-788 89492-790 89492-792 89492-794
Porcelain Crucibles, Chemglass
Crucibles
Porcelain crucible complete with lid. Glazed both inside and outside, with the exception of the outside lower bottom and rim.

Porcelain crucibles are widely used in the chemistry laboratory

The average coefficient of expansion from 20 to 200°C is 3.56 x 10-5 gradually increasing to 4.69 x 10-5 at 1000°C. To prevent thermal stress cracks on porcelain ware, do not exceed a heating/cooling rate of 200°C per hour.

They offer excellent resistance to all reagents except hydrofluoric acid, and are highly resistant to thermal shock while having a very low coefficient of expansion.
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