Pulverised Fuel Ash (PFA) 20kg

Description

Pulverised Fuel Ash is an artificial pozzolan collected as a residue from precipitators at coal fired power generation plants that use pulverised coal as fuel. A very common addition in cement production especially, but it is becoming increasingly more difficult to obtain the better grade PFA's owing to the reduction in Coal fired plants and widespread use of the material in industry.

Fly Ash 450-N

PFA has a medium to low pozzolanic index when used with lime, its particle shape makes it a useful addition in void filling grout. Low Sulphur Pulverised Fuel Ash, PFA, is a very fine dark grey powder which acts as a pozzolan but additionally darkens the colour of a mortar. Please talk to us regarding addition rates as it varies by application.