Sell Various Kinds of Laser Cutting Nozzles, Widely Suitable for Raytools/ Precitec /WSX/OSPRI /Han's /BOCI and Other Laser Cutting Heads Product Feature: High efficiency cutting: Matched with laser tube cutting machine, efficient cutting Smooth without blocking slag: Smooth cutting, high finish, high concentricity, one-time processing Copper material, excellent quality: (1)Excellent thermal conductivity: It has good electrical and thermal conductivity, excellent plasticity, and is easy to laser tube cutting machine processing. (2)Better corrosion resistance: Due to the presence of aluminum in copper, this alloy is more resistant to corrosion and is suitable for products stored or used in humid environments or containing acidic gases for a long time. Available in a variety of models： (1)It has two kinds of structure, single layer and double layer ①single layer：Suitable for cutting pipes using nitrogen and air as auxiliary gases. ②double layer：Suitable for cutting pipes using oxygen as an auxiliary gas. (2)With a variety of calibers, complete specifications, widely used