Size: φ 20 mm, φ26 mm, φ28mm, φ32mm CustomizableMaterial: AluminumCoat: Sterilization about 30min under 121±2C, aluminum surface will not change color, and will not crack
This is heat resistant glass tube, lead free and food-safe. has a wide use in a lot products: glass bongs production, food glass jars production, lights, wire wares, tabacco storage jars, baby feeding bottles,high standard water cups, kettles, solar energ