1、UV-1滤紫外线石英玻璃管，表面无色或轻微兰色，断面呈淡兰色。该产品在具有普通石英玻璃管优良的理化性能等基本特性的同时，可有效地滤除紫外线光谱中190-320mm波长的紫外线，避免其对人体的辐射，可用于生产多种类型的环保型电光源产品。

UV-1 blocking quartz tub ling, clear or slight blue, cut surface light blue. The UV1 virtually blocks the UV wavelength between 190-320nm, while still has the high transmittance in visible wavelength. UV1 is widely used in many kinds of Human-friendly lighting products.

2、UV-2高光效滤紫外线石英玻璃管，表面无色或轻微紫红色，断面呈淡紫红色。该产品在具有UV-1特性的基础上，还可吸收可见光谱中的红色光谱，可较大地提高各种灯泡的发光效率。可用于生产环保日光型电光源产品。

High efficiency UV blocking quartz tubing, clear or slight purple, cut surface light purple. The product has all features of UV-1, plus blocking red wavelength of the visible light. The product is good for improving lighting efficiency of the light bulbs, are widely used in day-light lamps.

3、UV-3低熔点滤紫外线石英玻璃管，表面无色或轻微兰色、淡紫色、断面呈兰色或淡紫色。该产品在同样具有UV-1特性的基础上，其热加工温度较普通石英管低约100-150℃可提高产品的生产效率和成品率，节约能源。

Low soften ting temperature UV blocking quartz tubing, clear or slight blue or slight purple, cut surface blue or purple. The product has lower manufacturing temperature, and has all visual features of UV-1. The product is used for  improving manufacturing efficiency and yield rate of lamp factories.

4、UV-4激光器用滤紫外线石英玻璃管，表面黄色，断面呈深黄色。该产品可完全滤除不可见光中的全部紫外线，是激光技术核心设备激光发生器主要部件光泵的重要制造材料，使用该材料，可避免工作物质产生色心和发光畸变，减少对银反射层的腐蚀，大幅度提高激光器的发光效率，具有不可替代的作用。

Laser purpose UV blocking quartz tubing, yellow color ,cut surface dark yellow. The product blocks all UV wavelength, and is an important material for layering pumps. The product is used to improve laser light efficiency.

5、UV-5即无臭氧石英玻璃管，表面无色，断面呈轻微紫色。该产品可将光谱中220nm前的紫外线基本截止，而253.7nm处的紫外线透过率为70%以上，该波长的紫外线具有较强的杀菌力，可用于生产各种杀菌灯。

Ozone free quartz tubing, clear, cut surface slight purple. The product blocks wavelength＜220nm, while transmit over 70% in 253.7nm. Good for all kinds of germicidal lamps.