Product introduction: schultz@s740 is a kind of gas/liquid dual-purpose synthetic ultra-high temperature heat transfer oil with high thermal stability. the applicable temperature range is 12°c~400°c. its unique performance at 400°c high temperature is unmatched by any heat transfer oil. compared and replaced, it is currently the highest temperature synthetic heat transfer oil. schultz@740 is a similar product of dowtherm ax therminol vp-1 in the united states and can be mixed in any proportion. schultz@s740 (biphenyl-biphenyl ether mixture) is widely used in the solar thermal power generation (csp) industry due to its excellent thermal stability.