Made of porcelain, internally enamelled, except the support for burning. The funnel is used for vacuum filtration of chemicals, even for acids heated at 80 to 100 ° C, excluding only hydrofluoric acid.
The perforated plate complies with international standards. Dimensions are subject to variations of + or – 2%. It is worth noting that the diameter measurement should be taken at the bottom as its mouth is slightly tapered, increasing at the top. Maximum temperature for use = 120 to 130 ° C. From a specific diameter, it is manufactured with a unique technique from Chiarotti Porcelana – the only company in Latin America that has the know-how in the manufacture of this funnel.
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