Technical data

Section 12 HULL/BODY
Sub-Section 02(PAINTING)
12-02-4
CONCEPT
TM
PAINTING PROCEDURE
For additional information refer to PPG P-Bulletin no. 168.
SURFACE PREPARATION
Prepare and clean surface consistent with good
painting practices.
Primer
DP Epoxy Primer / DP 401 Catalystþ; DX 1791 /
1792 (Prime before top coating).
Primer Surfacer
K36 / K201, K200 / K201 or DZ KONDAR
®
Primer
Surfacers.
NOTE:KONDAR must be sealed before ap-
plying CONCEPT color.
Sealer
KTS30 2K Sealer, DP Epoxy Primer reduced as a
sealer or DAS 1980 or DAS 1987.
Direct Gloss Color
How to Mix
Standard Air Dry:Mix CONCEPT Color 2:1:1 - 2
parts color with 1 part DT Reducer best suited to
shop temperatures and 1 part DU 4 Hardener be-
low 29°C (85°F) or DU 5 Hardener above 29°C
(85°F).
Standard Force Dry:Mix CONCEPT Color 2:1:1 -
Application temperatures below 29°C (85°F) use
DU 5 Hardener, above 29°C (85°F) use DU 6.
Medium Solids (MS) Application:For faster film
build, when using solid colors, mix 2 parts CON-
CEPT color with half part DT Reducer and 1 part
DU 5 or DU 6 Hardener. Select the DT Reducer
appropriate for shop temperature.
Pot Life
Pot life of ready-to-spray CONCEPT color is 6 to 8
hours at 21°C (70°F). Medium solids option is 2 to
4 hours at 21°C (70°F).
FULL PANEL AND OVERALL REPAIRS
Application
Apply 1 medium wet coat and give 5-10 minutes
flash, followed by 2 wet coats with 15 minutes
flash time between each coat. Adjust metallic on
the last full wet coat. If necessary, apply a mist
coat. For medium solids option apply 2 full wet
coats.
Air Pressure
275-345 kPa (40-50 PSI) at the gun.
Dry Time
–Dust freeþ: 30 minutes.
–Tack freeþ: 2 to 3 hours.
–Tape print freeþ: 6 hours.
–Dry to handleþ: 6 to 8 hours at 21°C (70°F).
–Force dryþ: 40 minutes at 60°C (140°F).
Faster dry times may be obtained by using 15 mL
(1/2 oz) of DXR 81 Accelerator per sprayable
quart, however, the pot life is reduced to 2 hours.
SPOT / PANEL REPAIRS
Application
Spray medium wet coat of color on the repair area
and allow 5-10 minutes flash time. Apply 2 addi-
tional full coats until hiding is achieved, extending
each coat beyond the previous coat. Flash 15 min-
utes between each coat. For medium solids op-
tion apply 2 full wet coats.
Blending
Add DT 95 Reducer to a second gun cup. Reduce
the fluid feed of the gun and lower the air pres-
sure to 207 kPa (30 PSI). Dust the dry edge until a
slight wet look appears, then stop. Or mix re-
duced and catalyzed color with equal parts of re-
duced and catalyzed CONCEPT DCU 2020 Clear.
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