Olivine is Lava, and was originally what the manufacturer recommended for use in its equipment. It does contain heavy metals (nickel, chromium, etc.), and is not considered as Eco-Friendly as other blast medias found of the market today. Olivine is also classified as a hard abrasive, even when used at a low pressure. Olivine can do damage to “soft” building facades, including Limestone and Brick.
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