DD – 30 is Water White Phosphoric acid based Chemical. It is Soluble in Water. It is Designed to Remove Soil, Oil & light rust. It is used normally 25-30% in 100 litre of bath. The time for dipping is 25-30 minutes.
DD – 25 is milky White Phosphoric acid based Chemical. It is Soluble in Water. It is Designed to Remove Soil, Oil ... Continue