How to Guide
  AEROSOLS  TECHNICAL DATA   IC-04 
MC1800 SYSTEM 
  PRECISION LINE
®
 INVERTED MARKING CHALK 
  AEROSOL 
1094  Rust-Oleum Corporation     Form: GDH-1098 
  11 Hawthorn Parkway  Phone: 877•385•8155  Rev.: 032516
  Vernon Hills, Illinois 60061  www.rustoleum.com/industrial 
  An RPM Company 
.DESCRIPTION AND USES  . 
An aerosol applied chalk used for temporary marking 
projects on concrete, pavement, gravel, grass, and more. 
Designed for marking where a non-permanent 
identification is desired. Lasts 15-30 days when 
undisturbed. 
The MC1800 System aerosols are ideal for temporary 
location marking of underground utilities at construction 
and excavation sites, or other temporary marking 
applications. 
.PRODUCTS   . 
SKU    Description       
205233  APWA Orange 
205234  APWA Yellow 
205235  APWA Red 
205236  APWA Blue 
205237  APWA White 
205238  APWA Green 
 PACKAGING   . 
Inverted 20 fl. oz. aerosol container (17 oz. fill weight) 
12 aerosols/carton 
.PRODUCT APPLICATION                                  . 
SURFACE PREPARATION 
ALL SURFACES: Remove loose contaminants by 
sweeping the surface before application of the coating. 
APPLICATION 
Use when temperature is above 32˚F (0˚C) and humidity is 
below 85% to ensure proper drying. Protect surrounding 
surfaces from overspray. Overspray can carry a significant 
distance. Shake can vigorously for one minute after mixing 
ball is heard. Invert can and point at ground or floor. Hold 
can 4-6 inches above surface to be marked. Press in 
sideways to spray or use Rust-Oleum Marking Wand item 
#2393000 or Rust-Oleum Marking Pistol item #210188. 
Follow directions for proper use of this equipment. Keep 
can moving to prevent build-up. 
REMOVAL 
Marking Chalk will normally fade through ordinary 
weathering in about 15 to 30 days. Earlier removal can be 
accomplished by washing with a stiff bristle brush and 
water or by pressure cleaning. 
CLEAN UP 
Clean valve by spraying upright for 2 to 3 seconds after 
each use. If valve clogs, carefully remove spray tip and 
clean in thinner. Do not insert any object into can valve 
opening. 
.PHYSICAL PROPERTIES       . 
ALKYD ACCELERATOR 
Resin 
Modified Alkyd 
Pigments 
Varies with color 
Solvents 
Acetone, Toluene, Xylene 
MIR 
1.20 Max 
Fill Weight 
17 ounces 
Practical Coverage 
Approximately 500-530 linear feet at 1.25 inches wide 
Dry Times at 70-80°F (21-27°C) 
and 50% Relative Humidity 
Scuff resistant in approximately 10 minutes 
Shelf Life 
5 years 
Safety Information 
For additional information, see SDS 
The  technical  data  and  suggestions  for  use  contained  herein  are  correct  to  the  best  of  our  knowledge,  and  offered  in  good  faith.  The 
statements of this literature do not constitute a warranty, express, or implied, as to the performance of these products. As conditions and use 
of our materials are beyond our control, we can guarantee these products only to conform to our standards of quality, and our liability, if any, 
will be limited to replacement of defective materials. All technical information is subject to change without notice.

