Acrylics and esters manufacturing—spanning acrylic acid production, butyl acrylate, 2-ethylhexyl acrylate, and downstream ester derivatives—imposes uniquely demanding thermal requirements. Two-stage catalytic propylene oxidation requires precise temperature management between 250–330 °C to maximize yield while preventing catalyst coking and undesirable side reactions; reactor effluents must then be rapidly quenched and absorbed at controlled low-to-mid temperatures. Downstream esterification of acrylic acid with n-butanol or 2-ethylhexanol operates characteristically at 80–160 °C, where a thermally stable heat transfer fluid acts as the primary heating medium and critically prevents premature free-radical polymerization—a persistent production risk in acrylic chemistry. Purification trains—including azeotropic distillation, solvent stripping, and vacuum refining columns—demand stable reboiler temperatures extending up to 280 °C under reduced pressure. Across this wide operating window, uniform, low-pressure thermal fluid circulation consistently outperforms high-pressure steam systems in both safety and temperature controllability.

Chemie's three-fluid portfolio addresses every thermal node from cold start to full-load operation. Acrylics & Esters Eurotherm 330 (−49 ~ 315 °C, viscosity 4.04 mm²/s at 40 °C, pour point −49 °C) ensures reliable cold-start fluidity and precise temperature delivery in esterification reactors and pre-heat exchangers (80–160 °C), where narrow temperature bands directly protect product quality and inhibitor performance. Acrylics & Esters Eurotherm 320 (−30 ~ 320 °C, viscosity 9.8 mm²/s at 40 °C) serves as the workhorse fluid for acrylic acid absorption circuits, downstream distillation reboilers, and solvent-stripping columns operating in the 160–300 °C range, combining high thermal stability with dependable viscosity characteristics that sustain efficient heat transfer over extended continuous runs. Acrylics & Esters Ruetaflex 1000 (−55 ~ 330 °C, viscosity 6 mm²/s at 40 °C, pour point < −55 °C, boiling point 300 °C) delivers the broadest operating window in the portfolio—its exceptionally low pour point, low viscosity, and superior thermal stability make it the preferred choice for multi-unit closed-loop networks, large-capacity plant heat systems, and any circuit where wide seasonal temperature swings demand uncompromised pumpability from start-up to peak operating load.

All three fluids operate well below steam-equivalent system pressures, reducing vessel certification costs, minimizing leak risk in environments where acrylic monomer vapors present flammability and polymerization hazards, and enabling continuous throughput with significantly reduced maintenance intervals.