4. Valuation methods
The importance of coatings in the final quality of metal packaging has led to the development of numerous testing methods, both for routine production control and for the selection and development of new coatings.
4.1 Physical properties
Film thickness: an essential characteristic of the application, it is traditionally measured by weight (for example, 5 to 7 g/m 2 for a common epoxy-phenolic varnish) or electrically (the varnish is a dielectric whose capacity is a function of thickness).
Exclusive to subscribers. 97% yet to be discovered!
Already subscribed? Log in!
Valuation methods
Choice of protection specifications according to content
Article included in this offer
"Functional materials - Bio-based materials"
(
191 articles
)
Updated and enriched with articles validated by our scientific committees
A set of exclusive tools to complement the resources
Economic data
For France, the values are as follows:
— cans for preserves and beverages 7 billion cans/year
— metal used 600,000 tonnes/year
— varnishes and coatings 25,000 tonnes/year
Exclusive to subscribers. 97% yet to be discovered!
Already subscribed? Log in!
