cement plant
It is often said that getting things right with the quarried materials will correct any errors further down the process chain. This is true, but when things do go wrong the plant must be able to rely on the quick and accurate response from the quality lab to identify the problem before it becomes a major issue.

LabCertUK have identified a skills gap present on many cement plants where technicians lack the necessary skills or training to be able to perform the testing of cement correctly. All too often the Quality Lab on a cement plant is given a low priority.

This is where LabCertUK can help by:

  • Advising on Industry Best Practice for testing all types of cement and raw materials.
  • Training your technicians in the precise methods for each test and sign them off as competent once they have completed a series of proficiency tests.
  • Developing a precision monitoring plan to give you the confidence the results being generated are accurate and reliable.
  • Assisting with development of Quality Control and Quality Assurance test plans.

The requirements for testing of cement fall into 3 distinct categories:

  • What To Test
  • When To Test
  • How To Test

These can be further categorized into Quality Control Testing and Quality Assurance Testing. There is a third category for Complaint Handling.

As far as quality control is concerned the first 2 main categories What To Test and When To Test are determined by the quality control plan for the cement works. This is based on the type and number of products and clinker, the frequency of product change over and the rate of clinker production, stockpile volumes and cement tonnage produced.

For quality assurance purposes, What To Test and When To Test are determined strictly by the cement standard to which the product is being manufactured to. Usually EN197 BS EN 197-2:2000 or ASTM C150 / C150M.

In both cases of quality control and quality assurance the same standard will usually determine the procedure to be used for each test. This can vary, and certain tests are not covered by any testing standards.In many cases cement testing standards can be unintentionally ‘open to interpretation’ which can lead to errors in testing. Here is where experience counts and having a properly trained analyst who has demonstrated competency and proficiency in each test is essential for accurate and reproducible test data.

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