Heating Supports

Stainless steel tripods resist rust and stay looking new for longer, making them the better choice for busy labs. Cast iron tripods are heavier and more stable underfoot, which suits setups carrying larger, heavier glassware where tip-over risk is a concern.

Wire gauze with a ceramic centre pad spreads heat more evenly and protects round-bottomed glassware from direct wire contact. Plain wire gauze without a ceramic pad heats faster and suits flat-bottomed vessels where rapid, even heating is the priority.

Check that the tripod height positions the base of your glassware within reach of the hottest part of the flame, usually just above the inner blue cone. Too low or too high a setup wastes fuel and heats inefficiently, extending the time needed to reach temperature.

Check wire gauze for holes or a badly worn ceramic centre, and check clay triangles for cracks, before use. A damaged support can fail suddenly under a heated load, so replace any worn item rather than continuing to use it.

Wire gauze spreads the concentrated heat of a Bunsen flame across a wider area, protecting glassware from the thermal shock of a single hot point and giving a more even, controlled heating rate. The ceramic centre pad found on many gauzes further diffuses heat and protects round-bottomed vessels from direct wire contact.

Yes, for crucible work. The tripod alone provides the height and stability, but its open ring will not hold a small crucible securely. A clay pipe triangle rests across the tripod ring and cradles the curved base of the crucible, keeping it centred over the flame.

Replace wire gauze once the ceramic centre pad has crumbled, cracked significantly, or fallen away, or if the wire mesh itself has visible holes or heavy discolouration and warping from repeated heating. A compromised gauze no longer distributes heat evenly and can allow direct flame contact with glassware.

Yes, a tripod is simply a stable elevated platform and can support glassware over any heat source of the right size underneath, including small burners, spirit lamps, or as a static stand for apparatus that does not need heating at all.

Always set up a tripod on a flat, level, heat-resistant bench surface, and check that all three legs sit firmly before lighting the burner. Avoid placing heavy or off-centre glassware near the tripod's edge, and use a heavier cast iron tripod for larger apparatus that needs extra stability.