Premium Line Porcelain, technical specifications - LabMaterials by Blanc-Labo SA

Premium Line porcelain, technical specifications

Thermal Shock Resistance:
Average coefficient of expansion from 20ºC to 200ºC is 3.56 x 10-5, gradually increasing to 4.69 x 10-5at 1000ºC. Experience has indicated suitability of particular shapes for specific uses. It remains the responsibility of the user to determine the suitability for his use. To prevent thermal stress cracks on porcelain ware, we strongly recommends a heating/cooling rate not to exceed 200ºC/hour. The thermal shock resistance of laboratory porcelain depends on various factors such as the correct correlation of the coefficient of expansion of porcelain body and glaze, the elasticity of glaze, etc.

Resistance to Chemical Action:
The resistance to acids and alkalies is excellent, except for hydrofluoric acid.

Prolonging labware life:
- Follow gradual heating and cooling rates.
- Use an oven or hot plate as an intermediate step when quicker heating/cooling rates are required.
- Gradually increase flame intensity when using a gas burner.
- Avoid contact of heated ware with a cold surface.
- Carefully inspect your labware prior to each use and do not use any product that appears defective.

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