QWORK Lab Porcelain Crucible with Lid, 6 Pack, 50ml Capacity, White, Smooth Surface, for Laboratory School to Heat Chemical Compounds

CoorsTek 65504 High-Alumina High Form Crucible, 50mL Capacity, 48mm OD, 47mm Height

Otoolworld Porcelain Crucible with Lid Cover Lab Crucible (20ml, 30ml, 40ml, 70ml, 100ml, 200ml, 300ml) (40ml)

Dan's Daughters' Containers 1/4" x 8' Wood Stove Door Gasket, Round Fiberglass Rope Seal (1/4" x 8 ft. roll) High Density Boiler Kiln Coke Oven Industrial Crucible

Dan's Daughters' Containers 1/2" x 6' Wood Stove Door Gasket, Round Fiberglass Rope Seal (1/2" x 6 ft. roll) High Density Boiler Kiln Coke Oven Industrial Crucible

Dan's Daughters' Containers 1/2" x 20' Wood Stove Door Gasket, Round Fiberglass Rope Seal (1/2" x 20 ft. roll) High Density Boiler Kiln Coke Oven Industrial Crucible

SEOH Crucible with Lid Porcelain Low Form 15ml

Dan's Daughters' Containers 7/16" x 15' Wood Stove Door Gasket, Round Fiberglass Rope Seal (7/16" x 15' ft. roll) High Density Boiler Kiln Coke Oven Industrial Crucible