Inter-laboratory Services (ILS)

NCB is the apex body providing R&D and technical services in cement and allied building materials. In 2013, Interlaboratory Services (ILS) of NCB was granted accreditation by NABL as per ISO 17043:2010 for providing PT services on cement and cementious materials. The present scope of accreditation limestone; clinker; cement; fly ash; concrete admixture; water for concrete; coal/coke/pet coke in chemical field. In mechanical field, the scope covers cement; fly ash; aggregate; mortar/concrete; tile (ceramic); burnt clay building brick; steel bar.

In mechanical field, the scope covers cement, fly ash, and aggregate.

Proficiency Testing (PT) Calendar (April 2021 - December 2023)

• NCB Proficiency Testing Scheme on Burnt Clay Building Brick (Mechanical Parameters): ILS/PT/73
• NCB Proficiency Testing Scheme on OPC (Chemical Parameters): ILS/PT/74
• NCB Proficiency Testing Scheme on Limestone (Chemical Parameters): ILS/PT/75
• NCB PROFICIENCY TESTING SCHEME ON FLY ASH (MECHANICAL PARAMETERS): ILS/PT/76
• NCB PROFICIENCY TESTING SCHEME ON COARSE AGGREGATE (MECHANICAL PARAMETERS): ILS/PT/79
• NCB PROFICIENCY TESTING SCHEME ON FINE AGGREGATE (MECHANICAL PARAMETERS): ILS/PT/80
• NCB PROFICIENCY TESTING SCHEME ON CONCRETE CUBE (MECHANICAL PARAMETERS): ILS/PT/81