PM Request a Quote Email usmarinechemical @ gmail.com PriceNegotiate Price DocumentsRequest MSDS / TDS Fuel Treatment-70 Product code RXSOL-19-9520-211 UnitLtr. Quantity per unit210.00 Request a Quote Negotiate Price Email Us Is a catalyst in transesterification of specific oils and fats. Almost all oils and fats can be transesterified using potassium catalysts (e.g. for biodiesel production).