Impact resistance

The resistance of a dry paint film to a blow


Impervious

A paint system or surface which restricts the passage of moisture or moisture vapour through the paint film or surface


Impregnation

Timber treated with preservative.


Incompatibility

Inability of two materials to mix with or adhere to each other.


Inert

None reactive


Inert Pigment

Does not react chemically in a paint.


Inflammability

Ease with which materials can be ignited with a naked flame and burn


Inhibitive Pigments

Used in metal primers to prevent corrosion.


Inhibitor

Agents used in paints to retard metal from corroding.


Inorganic pigments

Pigments based on non carbon containing materials.