Picote Solutions Oy Ltd
42
www.picoteinstitute.com
CURING
During the curing process, it is very impoprtant to prevent any dirt, debris or water from getting into the
pipe. The pipe must stay clean and dry during the entire coating and curing process. Water can keep the
resin from bonding properly. The resin is ready for additional coats once the surface is dry to touch.
AMBIENT CURING:
Cure time: approximately 3 hrs at +21
o
C / 70
o
F.
HEAT CURING:
Cure time: approximately 1.5 to 2 hrs if Picote Heater is used.
When adding heat the pipe should never exceed a constant temperature of +65
o
C / 150
o
F.
ADDITIONAL COATS
Refer to the chart below to determine the recommended number of coats to apply. Additional coats should
always be applied in contrasting layers. This will give a visual verification to each coat that is applied. If the
previous coat sits
longer than 12h before coated again, the pipe will need to be abraided with Smart Cutter
TM
.
A minimum number of 4 coats needs to be applied to the pipes that will be cleaned using high pressure
water jetting. Maximum water jetting pressure is 2600 psi or 180 bar.
A minimum number of 3 coats is required for abrasion resistance.
RETURN TO SERVICE
Below are the proper wait times and conditions required before returning to service.
4 HOURS:
Light use, water contact
24 HOURS:
Pressure testing, completely cured
For potable water pipes, the final coat should be white and return to service is 25h.
SAVE ALL WARNINGS AND INSTRUCTIONS FOR FUTURE REFERENCE
CURING & ADDITIONAL COATS
Pipe diameter
Number of Coats
(Corrosion
Resistance)
Number of Coats
(Semi Structural)
DN32 (1¼
”)
2
2
DN40 (1½
”)
2
2
DN50
(2”)
2
2
DN70
(3”)
2
2
DN100
(4”)
2
3 to 4
DN150
(6”)
2 to 3
4 to 5
