Supplier Page from Thermo Fisher Scientific for USA Standard Sieve, 270 Mesh
Graphite fusion crucible lid for stock number 40794, 2.54cm (1.0in) dia, 6.35mm (0.25in) thick from Thermo Fisher Scientific
Platinum standard form crucible, Top OD 35mm, Bot Dia 21mm, Ht 39mm, Base Thickness 0.3mm, Capacity 25mL from Thermo Fisher Scientific
Septum 30mm (30.7mm real) natural rubber from Thermo Fisher Scientific
USA Standard Sieve, 80 Mesh from Thermo Fisher Scientific