Todd DunningMAUnited States
Optical Materials for Laser SystemsPublished
Dec 24, 2025
Water Vapor (H₂O)
Chemical Properties
Chemical Identity
CAS Number
7732-18-5
Formula
H₂O
Molecular Weight
18.015 g/mol
Health Effects
Humidity
Yes
Produced From Contaminants
Adhesive Residue / Tape Marks
Aerospace Sealant Residue
Algae and Lichen Growth
Anti-Seize Compound
Asbestos-Containing Material
Automotive Road Grime
Automotive Undercoating
Biological Blood Residue
Bitumen and Tar Coatings
Chemical Stains / Acid Etching
Concrete Efflorescence
Copper Patina / Verdigris
Corrosion Inhibitor Coating
Degraded Polymer Deposits
Electroplating Solution Residue
Engine Coolant Scale
Environmental Dust Layer
Epoxy Resin Deposits
Exhaust System Deposits
Fertilizer Salt Deposits
Fire and Smoke Damage
Fuel System Varnish
Gasket Material Residue
Graffiti and Spray Paint
Heavy Machinery Grease
Hydraulic Fluid Contamination
Industrial Oil / Grease Buildup
Insect Impact Residue
Laser Marking Discoloration
Lead-Based Paint Removal
Machining Coolant Residue
Medical Disinfectant Residue
Metal Polish Residue
Mineral Staining
Mold and Mildew Growth
Organic Biofilm Deposits
Paint Primer Layers
Paint Residue / Coating Failure
PCB Oil Contamination
Pesticide Chemical Residue
Pharmaceutical Drug Residue
Pollen Accumulation
Powder Coating Buildup
Printing Ink Residue
Quenching Oil Residue
Rubber Compound Residue
Semiconductor Processing Residue
Silicone Sealant Buildup
Soap Scum Buildup
Soldering Flux Residue
Surface Radioactive Contamination
Surgical Ink Markings
Thermal Compound Deposits
Threadlocker Adhesive
Tree Sap and Resin
UV Photodegradation / Polymer Chalking
Water Staining and Marks
Wax Coating Buildup
