Products bearing this international label have a flash point of below
70°F (21°C). The containers should be kept closed when not in
use, and should not be left near sources of heat or ignition. Do not breathe
the vapor or spray, and keep the product away from children.
This international label is used to mark products classified as either
harmful or irritant; each classification has its own particular warnings.
In both cases, do not breathe the vapor, and keep the product away from
children. Avoid contact with skin and eyes, and wash thoroughly after
Health label (HL)
This American label, from the Art and Craft Materials Institute (ACMI),
means that the product has been reviewed by an independent toxicologist
under the auspices of the American Society for Testing and Materials.
An American label, again from the ACMI. "CP" stands for Certified
Product, in which the contents are non-toxic, even if ingested, and which
meet or exceed specific quality standards.
Another American label from the ACMI, "AP" means Approved Product,
one in which the contents are non-toxic, even if ingested.
These are the hazard labels you are likely to see on art products. Familiarity
with their meanings will enable you to evaluate standards and possible
hazardous use at a glance, and to use and store materials with minimum
Source: Artist's Manual: A Complete Guide to Painting
and Drawing Materials and Techniques. Chronicle Books, San Francisco,