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Quality control Question 20

We are currently using blast furnace slag as the only additive to our new product of masonry cement but we are failin...

Re: Quality control

Masonry cement is usually made with Portland Cement clinker, gypsum, up to 30 per cent limestone addition and organic...

Quality control Question 21

We are analysing particle size distribution of raw meal, coal mill product and cement mill product through CELAS PSA...

Re: Quality control

There is no straight-forward answer to your questions. For raw mix the optimum particle size distribution depends on ...

Quality control Question 22

We at our plant intend to utilise high sulphate resistant cement for oil well cement. To produce low viscosity and sl...

Re: Quality control

The key to producing oil well cement lies in the testing and meeting of the API performance specification. A high sul...

Quality control Question 23

It is known in all cement standards that the Initial Setting Time is 45 minutes minimum and the Final Setting Time is...

Re: Quality control

There is no definite interval between the initial and the final set of cement that denotes good or bad quality or wor...

Re: Preheaters

The calculation of gas and material flow in the preheater relies on the principles of stoichoimetry (to assess the co...

Preheaters Question 4

I have to ask you a question with regards to the chlorides and kiln-preheater operations. The Cl in our limestone is ...