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Tectyl 891D

TECTYL® 891D  CORROSION PREVENTATIVE
MEETS MILITARY SPECIFICATION
MIL-PRF-16173E

TECTYL® 891D, Class I is a solvent cutback, firm film, black asphaltic corrosion preventive compound. TECTYL® 891D, Class I provides long-term protection for metallic surfaces in indoor or outdoor exposure and during international shipments. TECTYL® 891D, Class I is approved under Military Specification MIL-PRF-16173E, which supersedes MIL-P-116J.

Tectyl 891D Laboratory Data Tectyl 846 Typical Properties
Tectyl 891D Flash, PMCC*, Minimum 105°F
Tectyl Density, Weight/Gallon @ 77°F (25°C) 7.3 ± 0.1 lbs./gallon
Tectyl 891D Specific Gravity @ 60°F (15.6°C) 0.88
Tectyl 891D Specific Gravity @ 60°F (15.6°C) 2.5 mils
Tectyl 891D Recommended Dry Film Thickness over Metal Profile 340 sq. ft./gallon
Tectyl 891D Theoretical Coverage @ Recommended DFT 8,303 sq. ft./gallon
Tectyl 891D Non-Volatile % by Weight 60 ± 4
Tectyl 891D Non-Volatile % by Volume 53 ± 2
Tectyl 891D Volatile Organic Content (VOC), Maximum 3.7 lbs./gallon
Tectyl 891D Approximate Dry to Touch Time @ 77°F (25°C) 2 hours
Tectyl 891D Cure Time 24 hours
Tectyl 891D Resistance to Flow per MIL-16173E Pass

 

Tectyl 891D Accelerated Corrosion Tests:

5% Salt Spray (Hours) ASTM** B-117 @ Recommended DFT (2x4x1/8 in. Polished Steel Panels) 864
100% Relative Humidity (Hours) ASTM D-1748 @ Recommended DFT (2x4x1/8 in. Polished Steel Panels) 960
Weathering Hours (Federal Standard 141, Method 6151 @ Recommended DFT) 1200

Tectyl 891D Surface Preparation
The maximum performance of TECTYL 891D, Class I can be achieved only when the metal surfaces to be protected are clean, dry and free of rust, oil and mill scale. Daubert Chemical Company recommends that the metal substrate temperature be 50- 95°F (10-35°C) at the time of product application.

Tectyl 891D Storage
Store TECTYL 891D, Class I at temperatures between 50-95°F (10-35°C). Mild agitation is recommended prior to use.

Tectyl 891D Application
TECTYL® 891D, Class I is formulated to be used as supplied.Ensure uniform consistency prior to use. Continued stirring is generally not required. If the product thickens due to cold storage or loss of solvent during use, contact Daubert Chemical Company.DO NOT THIN TECTYL 891D, Class I. Incorrect thinning will affect film build, dry time and product performance. Daubert Chemical Company recommends that the ambient and product temperature be 50 - 95°F (10 - 35°C) at time of application. TECTYL® 891D, Class I can be spray or dip applied.

Tectyl 891D Caution
Adequate ventilation is required for cure and to ensure against formation of a combustible liquid.THE PARTIALLY CURED FILM SHOULD NOT BE EXPOSED TO IGNITION SOURCES SUCH AS FLARES, FLAMES, SPARKS, EXCESSIVE HEAT, OR TORCHES. Refer to the Material Safety Data Sheet for additional handling and first aid information.

Tectyl 891D Removal
TECTYL® 891D, Class I can be removed with TECTYL® HPS solvent borne thinner, vapor degreasing, hot alkaline wash, or low pressure steam. TECTYL® 891D, Class I can be removed from fabrics by normal dry cleaning procedures. Avoid the use of chlorinated or highly aromatic solvents when removing from painted surfaces, as these solvents may adversely affect paint.

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