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This is a bulk case of flint glass tubing, 14mm outer diameter and 24 inches long, sold by weight rather than by piece. Flint glass is the denser, higher-refractive-index cousin of soda-lime tubing, so it softens at a lower temperature and bends and seals more easily in a flame. It suits glassblowing practice, lab glassware work and classroom demonstrations where stock gets consumed quickly. Buyers should expect a mixed bundle of straight lengths rather than matched, cut-to-size pieces.
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This flint glass tubing has a 14mm outer diameter and is 24 inches long. It is made for laboratory and classroom experiments.
