would these gogles be suitable for building my 100mw 650nm red laser
Complete protection from 600nm to 700nm.
Visible light transmittance: >55%
Optical Density: > 5.0, (OD +5, OD +6)
Attenuation: (10-6 < N% < 10-4)
There are some "goggles" sold in ebay with similar indications, but that are NOT SAFE for use as safety goggles, like these ones, as example ..... need to see what are the ones that you are talking about, for have a possibility to help you .....