Product Description

Evacuated tubes are made from borosilicate, glass with a very low iron content that has superior durability and heat resistance.The borosilicate glass has the strong characteristics and excellent light transparency;
Kaltech Energy ETC tubes are very strong in nature.Unlike other normal tubes,Kaltech Energy ETC tubes are double walled and use pure water with constant temperature to clean the coating,these tubes have lowest color difference and the coatings are strongly fixed to the surface resulting no fall off, guaranteed.