The newly listed nonflammable substitutes include R-471A and R-515B
As part of its Significant New Alternatives Policy (SNAP) program, the Environmental Protection Agency (EPA) recently issued a determination of acceptability (Notice 38), which expands the list of acceptable refrigerant substitutes for the refrigeration market. The new substitutes include the nonflammable refrigerants, R-471A and R-515B.
EPA found R–471A (marketed under the trade name Solstice® 471A) acceptable as a substitute for use in: