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LF-HF11 Hydroxyl-Terminated Fluorosilicone Fluid
Silfluo LF-HF11 is a series of hydroxyl-terminated fluorosiloxane-dimethylsiloxane copolymers, combining trifluoropropyl-bearing fluorosiloxane units with standard dimethylsiloxane units, end-capped with reactive silanol (Si–OH) groups.
The fluorosiloxane units provide resistance to hydrocarbon oils, fuels, and solvents characteristic of fluoropolymer chemistry; the siloxane backbone retains the broad service temperature range, low-temperature flexibility, and electrical insulation properties of standard silicones.
Reactive hydroxyl end groups enable condensation cure with crosslinkers (e.g., alkoxysilanes, acetoxysilanes) in RTV systems, and silanol-filler interaction for structure control in HTV compounding.
Three grades — LF-HF11-A, LF-HF11-B, and LF-HF11-C — differ in viscosity range, density, and refractive index, reflecting varying fluorosiloxane-to-dimethylsiloxane ratios and molecular weight distributions; grade selection determines fluorine content, chemical resistance level, and processability.
