Product Name: Ozone Free Quartz Glass Tube/Pipe Model NO.: quartz glass tube Type: Quartz Tube Application: Germicidal Lamp Certification: CE Advantage: High Temperature Resistance Surface: Polished Trademark: yongsin Transport Package: Strong Wooden Box Specification: according to request Origin: Donghai, China HS Code: 7002209000 Product Description UV-5 series is a type of quartz glass tube added with titanium. Its surface is colorless and its section is very slight purple. This product can basically block the 220nm ultraviolet rays in the spectrum, and the transmittance of ultraviolet rays at 253.7nm is above 85%. Itcan prevent dense ultraviolet radiation without generating ozone, and is used in ozone-free lights and other illuminant lights.