Sorry I meant raw silica sand.
I have never done spring landing gear but I do like crushed glass as a medium as it does a great job.. It doesn't have the contaminates like raw silica sand or even black beauty. I have used wheat starch and it takes off paint but is of little use on rust. Maybe someone had a better medium than I did
http://newageblastmedia.com/
What is New Age Blast Media®?
New Age Blast Media® is an alternative 100% recycled glass sandblasting media that directly benefits the environment while eliminating the health risk of airborne carcinogens-giving a modernistic approach to sandblasting abrasives.
Recycled glass blasting media has been successfully substituted for silica sand and other blasting media in shipyard trials and in other construction projects and equipment cleaning. New Age Blast Media® competes with common abrasive alternatives as well as niche materials such as plastic pellets used on sensitive surfaces. Glass can be used as a dry blasting media or combined with water for use in slurry blasting.
In addition to worker safety benefits, New Age Blast Media® works great for sandblasting thick or soft coatings, aluminum, brass, bright metal, and "spot and sweep" applications.
Cleaner: New Age Blast Media® is manufactured from 100% Recycled Container Glass that directly helps reduce landfill waste and limits the use of more toxic slags. It is non-reactive and inert, and can be used near and around water.
Safer:New Age Blast Media's® dust is classified by OSHA/NIOSH as "nuisance" dust. Contains less than 1% free silica unlike most coal slags and has virtually none of the OSHA identified Heavy/Toxic Metals associated with slags and some other mineral abrasives.
Silica sand blast media in its natural state has a crystalline structure that has the capacity of “sticking” to lung tissues. Our recycled glass blast media is amorphous with a closed structure that doesn’t absorb anything and doesn’t physically stick to tissues. If a person is exposed to amorphous glass fines or dust, the body can expectorate the dust as it would any other type of natural dirt.
Faster:New Age Blast Media's® crushed glass delivers a natural, whiter metal finish that many other sandblasting abrasives. Significantly less embedment issues—up to 5 times less than slag blast media. Crushed glass blast media's dust is translucent, which allows for increased visibility and operator production!
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