What is quartzite?

English name: quartzite (aventurine quartzite). Mineral (rock) name: quartzite, the main mineral is quartz, which can contain mica minerals, hematite, goethite and so on. Quartzite is a metamorphic rock composed mainly of quartz (quartzite content greater than 85%), which is formed by metamorphism of quartz sandstone and siliceous rock. It is usually formed by quartzite or other siliceous rocks undergoing regional metamorphism and recrystallization. It is also possible that siliceous rocks near the magma form quartzite by thermal contact metamorphism.

High Wattage Lamp Emergency Conversion Kit

High Wattage Lamp Emergency Conversion Kit can converts high wattage LED luminaire 50-100W in emergency lighting.

With the LiFePO4 emergency battery internal. Its operation is by regulating the luminaire 100% emergency output and maintain 60-90mins emergency time automatically when the main power cuts. Widely using for factory, building, warehouse, school, hospital, library etc.

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