This BP325 Mud powder is suitable for refractory material , as a kind of adhesive effect.
 it is equivalent to the ceramic material 4180, which is very popular in some parts of South korea! But the price of this BP325 is more cheaper than it.

SO, as long as you have the clients is using the product 4180 , you can safely take BP325F to replace, actually, in our country, most manufacturers have used BP325 replaced 4180. It can completely ensure quality with the low cost!