This national standard describes the test instruments and methods for the dimension, appearance and section of refracory products.
This national standard is applicable to the test of dimension, appearance and section of shaped and dense shaped refracory products.
1. Scope
2. Normative reference
3. Definitions
4. General provisions
5. Apparatus
6 Test methods of dimensions
7. Test methods for difference of wedge
8. Test methods for distortion level (convexity or concavity)
9. Test method of unfilled corners
10. Test method of defected edges
11. Test method of craters
12. Test method for cracks
13. Test methods for protrusions and indentations of product surface
14. Test method of fins
15. Test method of sections.
16. Test report.
