What is the difference between single action and double action baking powder?

Single action baking powders are designed for slow gas release over longer duration while double action baking powders releases gas during two separate instances, once during batter preparation and second time in the presence of heat and moisture during baking. This type of baking powder is used for products where sudden rise in volume is required.

What is the difference between ECO STANDARD SA1 BAKING POWDER and STANDARD SA1 BAKING POWDER?

While both the baking powders are single acting, the primary difference is in the strength of the salts used in formulating these products. STANDARD SA1 BAKING POWDER has higher CO 2 release strength as compared to STANDARD SA1 BAKING POWDER and it is also Aluminum free in formulation.

What is the shelf life of this baking powder?

Typically, if the baking powder is stored below 21ºC it has a shelf life of about 12 months from date of manufacture. Its strength will slowly start reducing once the product nears the end of shelf life period.