Silicone, Rochow–Müller Conductivity, 1940

Silicone is “Rochow–Müller Conductivity” in 1940, and the figure kept beside it is 0.2. Write the unit of that figure for heat, water, or fire beside the slip, and do not drop the unit. This week, choose one material only, and do not mix similar names in one cell. Direct process: CH3Cl + Si → methylchlorosilanes. At the hardware shop, open Silicone so the slip shows 1940 first, 0.2 next, and “Rochow–Müller Conductivity” beside them.

This week, before you buy, write the material’s name, the year, and the figure on a specification slip, and match them to the mark on the thing. At home, check that the material’s name on the slip matches the package, and correct the slip if it does not. The order is Silicone, 1940, 0.2, then “Rochow–Müller Conductivity”. When one material is done, look again only at 1940 for Silicone and leave 0.2 on the slip.

Do not paste an advertising line over the specification, and do not read the figure as a quality score. Check that the figure on the slip and the figure on the package share a unit, and set the material down if they do not. This week, choose one material only, and do not mix similar names in one cell. Match Rochow–Müller Conductivity with 0.2 at the hardware shop before you close 1940 for Silicone. Silicone is “Rochow–Müller Conductivity” in 1940, and the figure kept beside it is 0.2.