
Epoxy mastics consist of epoxy resin modified with a hydrocarbon resin (certain variations should be expected for different manufacturers) and a curing agent. The hydrocarbon resin is used to enhance the moisture resistance, flexibility and the wetting properties of epoxy coatings. They also make the paint more user friendly and economical in use.
Areas of use
Mastics are among the most versatile coatings for industrial and marine use: Industrial coatings in chemical plants, refineries, tank farms, bridges. Due to their very good resistance to water they are used on ships and other marine structures both above and below the waterline. One should bear in mind that being an epoxy they will chalk when exposed to sunlight. For decorative purpose a topcoat can be applied.
Epoxy mastics are in many respects similar to coal tar epoxy (CTE). However they are much more versatile coatings and nearly all drawbacks with CTE are reduced or eliminated.
Benefits
- Surface tolerant
- Light colours
- Very good water resistance
- Very good wetting properties
- Good chemical resistance
- High solid content
High build (thick coats)
- Cold climate curing agent
- Dry heat resistant up to 90oC
Limitations
- Chalking
- Temperature dependent
Not to be applied on thick coats of physically drying paints
- Minimum DFT 150 microns by airless spray
Go to Generic types of paint
Go to Marine Coatings > Products
Go to Protective Coatings > Products