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Bitumastic 300M Coal Tar Epoxy by Carboline

Bitumastic 300M Coal Tar Epoxy by Carboline
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Selection & Specification Data
    

Generic

Coal Tar Epoxy

Description

Renowned high build coal tar epoxy for protection for steel and concrete in single or two-coat applications in a broad variety of aggressive industrial applications.

Features

Excellent chemical, corrosion and abrasion resistance
High-build up to 35 mils (875 microns) in a single coat
Compatible with controlled cathodic protection
Meets or exceeds all requirements of:
- Corp of Engineers C-200, C200a
- AWWA C-210-92 for exterior
- SSPC-Paint 16
- Steel Tank Institute Corrosion Control System STI-P3

Color

Black (0900)

Finish

Will discolor, chalk and lose gloss in sunlight exposure.

Primers

Self-priming, Carboguard 888

Topcoats

Not recommended

Dry Film Thickness

16.0 mils (400 microns) in one or two coats. Total dry film thickness less than 8 mils (200 microns) or in excess of 35 mils (875 microns) not recommended.

Solids Content

By volume: 74% ± 2%

Theoretical Coverage Rate

1187 mil ft2 (29.1 m2/I at 25 microns). Allow for loss in mixing and application.

Nominal VOC Values

As supplied: 2.0 Ibs/gal (192 g/I)
Thinned: 20 oz/gal w/ #10: 2.6 Ibs/gal (307 g/I)
Thinned: 25 oz/gal w/ #10: 2.7 Ibs/gal (325 g/I)

Dry Temperature Resistance

Continuous: 350°F (177°C)
Non-Continuous: 370°F (190°C)

Wet Temperature Resistance

Immersion temperature should not exceed 120°F (49°C).

Limitations

Do not use for potable water requirements.


Substrates & Surface Preparation

 

General

Surfaces must be clean and dry. Employ adequate methods to remove dirt, dust, oil and all other contaminants that could interfere with adhesion of the coating.

Steel

Immersion: SSPC-SP10.
Non-Immersion: SSPC-SP6 for maximum protection. SSPC-SP2 or SP3 as minimum requirement.
Surface Profile: 2.0-3.0 mils (50-75 micron).

Concrete

Concrete must be cured 28 days at 75°F (24°C) and 50% relative humidity or equivalent. Prepare surfaces in accordance with ASTM D4258 Surface Cleaning of Concrete and ASTM D4259 Abrading Concrete. Voids in concrete may require surfacing.

 
Performance Data

Test Method

System Results Report #

ASTM D4060
Abrasion

Blasted Steel
2 cts. 300M

130 mg. loss after 1000 cycles. CS 17 wheel,
1000 gm load.

02877

ASTM D4541
Adhesion

Blasted Steel
2 cts. 300M

1443 psi (pneumatic)

02877

ASTM D2794
 Impact

Blasted Steel
2 cts. 300M

Impact site diameter. Inches: 3/8, 3/8, 1/2.
100 in/Ibs Gardner Impactor at 1/2 in. diam.

02877

ASTM B117
Salt Fog

Blasted Steel
2 cts. 300M

No  blistering, rusting or delamination. No mea- surable undercutting at scribe after 2000 hrs.

02938