Milky quartz tube With the adoption of distinctive technique this milky quartz glass tube has its typical characteristics of good visual aspects and stable physical & chemical properties. It is used as material of infrared heating lamps for heaters, microwave oven, electrical baking oven, sterilization container and other consumer and industrial infrared application. Properties: white milk appearance, precise dimension and strong heat resistance Application: it is extensively applied at far infrared heating, such as heater, sterilization tank, micro-wave oven, electric oven, etc. carton or plywood box