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Standard Operation Procedure
Optical fiber etching with HF
Description
This SOP addresses the work performed to chemically etch the optical fibers using the 48%
stock HF with an overlayer of silicone oil. The fibers can be either with the cladding or
without the cladding. This SOP also addresses removal of waste chemicals, cleaning of
equipment, and handling of these chemicals.
Required Safety Equipment & Personal Protective Equipment (PPE)
The 48% HF exposure can cause severe burns or death even in small amount. The
person who performs the work with HF MUST read the MSDS of HF before starting
the work. During the process the person also needs a company for help in the case
of HF splashing on the body and/or the clothes.
HF handling requires the use of safety equipment and chemically compatible personal
protective equipment including
• Designated ventilation hood
• Latex gloves
• Large green nitrile gloves
• Green nitrile sleeves
• Green nitrile apron
• Splash-proof safety goggles
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