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How to Use Sodium Persulfate Etchant (PC200)
For Removal of Excess Copper From Printed Circuit Boards
UN 1505 CAS #7775-27-1
Hazard Warning Statement:
Health: Airborne dust may be irritating to eyes, nose, throat and skin upon contact. Continuous contact may produce skin dermatitis. Inhalation of airborne dust at high levels may produce shortness of breath in allergic persons.
Physical: Decomposes in storage under conditions of excessive heat and/or moisture ( water, water vapor ) causing releases of oxides of sulfur, dense mist of sulfuric acid and oxygen which supports combustion. Reacts with acids, alkalis, halides, combustible and heavy metals to release oxygen.
First Aid: In case of contact, immediately flush eyes or skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Call a physician. Wash clothing before reuse.
Emergency Telephone Numbers ( 24 Hours ):
Medical: collect 303-595-9048
Handling & Storage: Store ( unopened ) in a cool, clean, dry place and away from point source heat, i.e., radiant heaters or steam pipes. Use first in/first out storage system. Avoid contamination of opened product. Avoid prolonged or repeated skin contact using good personal hygiene. Wear suitable protective clothing. In case of fire or decomposition conditions ( smoking ), use self-contained breathing apparatus with full-face piece, acid-resistant clothing, and deluge with plenty of water to control decomposition. For storage requirements, refer to the NFPA Bulletin 43A on the storage of liquid and solid oxidizing materials. NFPA Hazard Class I Oxidizer. IMCO Hazard Class 5.1 Oxidizer.
Directions: Mix 1/2 lb. of crystals to 1 gallon of filtered water; heat to 110º F. Etches 1/2 oz. copper board in 15 minutes. To decrease etching time, increase the concentration or raise the temperature to a maximum of 130º F.
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