Spot Plates

Color-reaction or spot plates are made from chemical and heat resistant porcelain.  The ultra-white glazed surfaces make these spot platses an excellent choice to conduct microchemistry experiment.

Physical Properties of Porcelain:

  • 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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