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What material is thread seal tape made of? Is it toxic?
The main component is Polytetrafluoroethylene (PTFE). It is non-toxic, odorless, corrosion-resistant, and has good insulation properties. It is widely used for sealing in scenarios like water pipes, gas pipes, and chemical pipelines. For special uses (e.g., food, medical), food-grade or medical-grade thread seal tape must be selected to ensure compliance with hygiene standards.
