QC Lubricants
CAGE CODE 9Y364
7360 Milnor St. Philadelphia, PA 19136
(215) 333-4187
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  Tectyl 121B

Tectyl 121B

Description
TECTYL 121B is a solvent cutback, thixotropic corrosion preventive compound suitable for complete undercoating for transportation equipment. The cured film is firm, black, resilient, abrasion resistant, and provides sound deadening. TECTYL 121B is approved under Federal Specification TT-C-520B.

QC Lubricants carries Tecyl 121B in 55 gallon drums.

TECTYL 121B, Class I

TECTYL 121B, Class I is a solvent cutback, corrosion preventive compound. The semi-firm film is amber and translucent. TECTYL 121B, Class I is approved under Military Specifications MIL-PRF-16173E. It is designed to protect ferrous and non-ferrous parts for indoor or covered storage and during shipment. The cured film of TECTYL 121B, Class I is compatible with a variety of oils and greases.

Tectyl 121B Laboratory Data

Tectyl 121B Typical Properties

Tectyl 121B Flash, PMCC*, Minimum 106 F
Tectyl 121B Density, Weight/Gallon @ 77F (25C) 8.5 0.1 lbs./gallon
Tectyl 121B Specific Gravity @ 60F (15.6C) 1.02
Tectyl 121B Recommended Dry Film Thickness over Metal Profile 15 - 20 mils
Tectyl 121B Theoretical Coverage @ Recommended DFT 45.82 sq. ft./gallon
Tectyl 121B Non-Volatile % by Weight 62 2
Tectyl 121B Non-Volatile % by Volume 50 2
Tectyl 121B Volatile Organic Content (VOC), Maximum 3.4 lbs./gallon
Tectyl 121B Approximate Dry to Touch Time @ 77F (25C) 2 - 4 hours
Tectyl 121B Cure Time 16 - 24 hours
High Temperature Flow Point, Minimum 350 F

 

 

Tectyl 121B Accelerated Corrosion Tests:

5% Salt Spray (Hours) ASTM** B-117 @ Recommended DFT
(4x12x20 in. C. R. steel substrate)
3672
100% Relative Humidity (Hours) ASTM D-1748 @ Recommended DFT ((4x12x20 in. C. R. steel substrate ) 1500

 Surface Preparation
The maximum performance of TECTYL
121B 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 50-95F (10-
35C) at the time of product application.

Application
TECTYL 121B 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 121B. 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 121B can be airless spray applied. DO NOT FREEZE TECTYL 121B.


Removal
TECTYL 121B can be removed with TECTYL HPS solventborne thinner, vapor degreasing, hot alkaline wash, or low pressure steam. TECTYL 121B 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.

Storage
Store TECTYL 121B at temperatures between 50-95F (10-35C). Mild agitation is recommended prior to use.

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 Dauberts Material Safety Data Sheet for additional handling and first aid information.

Note:
The addition of any product over or under this coating is not recommended. The use of additional coatings could result in chemical incompatibility, thus adversely affecting the performance of this coating as stated in the lab data section. If a product other than Daubert Chemical Company's recommended product is required, written authorization must be obtained from Daubert Chemical Company, Inc.
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