CAB-O-SIL® HP-60 is a medium surface area untreated fumed silica developed to be the most efficient rheology modifier for unsaturated polyester resins.

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Application Information:

Rheology Control for Unsaturated Polyester Resins:

CAB-O-SIL HP-60 exhibits higher thickening efficiency (viscosity development) than other untreated fumed silicas with comparable surface areas such as CAB-O-SIL M-5 and PTG.