Details
Porcelain Hirsch Funnels are an excellent choice for vacuum filtration of smaller volumes of material. Our porcelain funnels feature fixed perforated plates and are glazed on inner and outer surfaces except for the rim offering excellent chemical resistance.
Additional Information
| Technical Specifications | Thermal Shock Resistance - average coefficient of expansion from 20° C to 200° C is 3.56 x 10-5, gradually increasing to 4.69 x 10-5 at 1050°C. Every batch of porcelain is heat tested in our factory. Glaze - No softening occurs up to 1000°C, and it is extremely white. Resistance to Chemical Action - Resistance to acids and alkalies is excellent, except for hydrofluoric acid.
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