NORTHSTAR
928 Series
2.8 VOC Polyurethane Topcoat
DESCRIPTION
The 928 Series is a premium 2.8 VOC polyurethane topcoat, which offers outstanding chemical
resistance while giving a premium gloss. This single stage paint system offers excellent coverage and
color holdout while having fast drying properties and ease of application. The 928 Series is compliant
with all applicable air regulations including SCAQMD Rule 1151.
COMPONENTS
928 Series color Base
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H900 Activator
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S9860/9870/9885/9895 Reducers
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S065/075/085 Zero VOC reducers
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MIXING RATIO
Mix three (3) parts 928 Series color with one (1) part H900 activator. May be reduced up to 25% with
S9860/9870/9885/9895 reducers for 3.5 VOC compliance. May be reduced up to 25% with
S065/075/085 to maintain 2.8 VOC. A566 accelerator may be used up to 2 ounces per gallon
(optional). A544 pot life extender may be used up to 4 ounces per gallon (optional).
POT LIFE @ 77掳 F
1 hour minimum
CLEAN UP
Use NORTHSTAR Lacquer Thinner or zero VOC solvents. (Check local regulations.)
PHYSICAL DATA
Volume solids as mixed 60% (average of colors)
VOC as mixed 2.8
Color fleet colors
DRY / FLASH TIMES
Air Dry @ 77掳 F
Flash between coats 10-15 minutes
Tape time overnight
Tack free 60 minutes
Dust free 45 minutes
Force Dry
Flash before force dry 15 minutes flash
Force dry time 40 minutes @ 140掳 F
GUN SETUPS
Conventional
Gravity Feed 1.4 mm 鈥? 1.8 mm
Siphon Feed 1.4 mm 鈥? 1.8 mm
AIR PRESSURES
Conventional @ Gun
Gravity Feed 35 鈥? 45 psi
Siphon Feed 40 鈥? 50 psi
HVLP @ cap 8 鈥? 10 psi
SURFACE PREPARATION
Use NORTHSTAR Cleanwipe (S10) to clean substrate free of grease, dirt, and foreign contaminants.
APPLICATION
Apply 2 medium wet coats over substrate
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Allow 10-15 minutes between coats
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Scuff after 24 hours before recoating
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Clean gun after spraying is completed
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SAFETY
Refer to Material Safety Data Sheet (MSDS) for complete safety instructions. The technical data sheet
listed has been compiled in good faith for your convenience and guidance. No warranty, expressed or
implied, is intended or given by the information on this sheet.
NORTHSTAR COATINGS
Division of Lusid Technologies, Inc. 鈥? Sandy, UT 鈥? Phone 801 565-0030 鈥? Fax 801 565-3750
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