3M™ Glass Bubbles HGS18000 are hollow spheres made of soda-lime borosilicate glass with a true density of 0.60 g/cm³ and an isostatic crush strength of 18,000 psi or 1240 bar.
HGS18000 Glass Bubbles are well-suited for use in ultra-deep wells as an additive for lightweight well cementing in the oil and gas industry. HGS18000 Glass Bubbles added to lightweight cement slurries help prevent problems associated with excessive overbalance, including reduced top of cement (TOC) and thus the need for remedial squeeze.
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Industries
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Cementing and Drilling Fluids, Mining
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