A natural, organic blasting media like Corn Cob Grit provides unique properties and performance. Corn Cob Grit blasting media is extracted from the 'woody ring' core of the cob (it is not the entire cob ground up). The wood-like material is a very soft (Mohs 4) medium that also includes an ability to absorb moisture.
Corn Cob Grit is ideal for blasting delicate surfaces. It will strip paint, coatings and soils off many surfaces without impacting (etching, etc.) the substrate. Log home blasting (soft media; effective strip/clean rate), mold remediation (absorbency; strip rate; organic) and paint stripping (soft media) off wood surfaces are three predominant applications for blasting with Corn Cob Grit. Compared to high pressure washing, blasting with Corn Cob Grit leaves the surface dry and ready for immediate application of a sealant or coating.
While Corn Cob Grit can be recycled as many as 4-5 times, it is important to make sure that the collected media is clean so that damage to the blasted surface does not happen during re-blasting. Available in a variety of grit sizes, Medium and Fine are certainly the most popular.
Interesting fact: Corn Cob Grit is used for absorbent/drying applications such as soaking up wet ball fields and oil spills.
Monday, December 15, 2008
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