https://dailybusinessideas.com/ One business idea every weekday morning, built for a specific kind of customer, that one person could run. Tuesday's and Thursday's ideas are public. en-us https://dailybusinessideas.com/ideas/2026-09-22-technical-ceramics-refractory-shapes-manufacturer/ https://dailybusinessideas.com/ideas/2026-09-22-technical-ceramics-refractory-shapes-manufacturer/ Tue, 22 Sep 2026 15:30:00 +0000 I need to know exactly how much to oversize the green part so the fired alumina insulator lands in tolerance the first time. A business that sells to technical ceramics and refractory shape manufacturers. These shops press, cast and fire ceramic parts that have to survive extreme heat or electrical stress, such as furnace linings, crucibles, insulators and kiln furniture, then grind them to tight dimensions. They are typically run by an owner-engineer or plant manager with a handful of skilled operators, selling made-to-order parts to foundries, furnace builders, glass plants and electronics firms.