Primer
Technical Specification Of Primer:
The primer shall consist of butyl rubber and unsaporifiable resins in
petroleum spirit and it shall be compatible with the butyl adhesive
that is furnished on the inner wrap tapes must be free flowing and
have the ability to cover voids, pits and welds. The primer must
provide an acceptable base for butyl adhesive on the tapes.
Physical Properties:
Dry thickness : 2 to 3 mils
Drying time : 10 to 15 minutes(depending
on ambient condition)
Flash point : 0oC to 20oC
Solid Content : 27% - 30%
Viscosity at + 23oC (out flow time,
4 mm nozzle) : 40 � 5 Sec
Application Temperature : 5oC 50oC
Colour : Black
Delivery Packing : In 20 to 25 Litre /can