Cannon and Hancock

Refractory Training Courses

With over 40 years experience, Dr Hancock has worked for both UK, French and South African refractory manufacturers in Laboratory and Sales Positions.

The C&H Group includes: ACT Maufacturing, C&H Laboratories, Cannon and Hancock Consultants and CHB Third Party Inspectorate.

Combined this historical and current background results in a Unique Training Course which is targeted at presenting a better understanding of refractories and thier role as industrial linings.

Risk analysis of failures from material supply to installation to operation are discussed in depth as well as the role of Third Party Inspector during Installation and at shutdowns.

Dr John Hancock
Dr Hancock is a graduate of the Ceramics Department at Leeds University and obtained his Ph.D. at the Refractories Department of Sheffield University.  He has worked for British, French and South African refractory manufacturers but, in 1983 joined with Dr John Cannon to form an independent refractory consultancy company with clients including both refractory manufactures and users.

Dr Hancock has numerous licensees in North & South America, Europe, UK and Australia in the abrasion resistant range of refractories namely: ACTCHEM (originally developed for SASOL Secunda). He also has licensees in North America and the UK for acid resistant castables and the latest technology of single component mixes. As a result he frequently travels around the globe and exchanges information on refractory problems and new technology. Dr Hancock is also the director of the C&H Group of companies.

Darrol Biggs
Obtained his N.Diploma in Ceramic Technology at Pretoria Tecnikon. He has attended numerous refractory courses both local and overseas. He is certified API 936 refractory inspector.

Darrol joined the C&H Group in 1991 and has work in the capacity as a refractory technician in the laboratory, inspection and consultancy on both new projects and maintained shutdowns.