Tectyl 502C Class II

TECTYL® 502C Class 2 is a premium solvent-based, soft film rust preventive coating manufactured by Daubert Chemical Company. This QPL (Qualified Products Listed) corrosion preventive compound is specifically designed to balance the longevity of corrosion protection with ease of cleanability for precision parts. Approved under Military Specifications MIL-PRF-16173E Grade 2, MIL-PRF-1713E Grade 2 Class I, and MIL-P-116J Type P-2, this grease-like formulation provides exceptional protection for both ferrous and non-ferrous metals during indoor storage and shipment. With its translucent amber film that allows for visual inspection, TECTYL® 502C Class 2 is particularly valuable for protecting highly polished surfaces and precision components while offering compatibility with various oils and greases, often eliminating the need for removal before use.

Properties

• Dry Color: Amber
• Film Type: Oily, soft, grease-like, semi-firm wax
• Liquid Appearance: Brown
• Flash Point: 105°F
• Weight per Gallon: 7.25
• Specific Gravity: 0.87
• Non-Volatile by Weight: 67%
• Non-Volatile by Volume: 63.1%
• VOC (lbs/gal minus water): 2.40 (less than 2.8 lbs/gallon or 340 grams/liter)
• Viscosity: 200 cSt @ 100°F
• Wet Film Thickness: 1.6 mil (2-3 mils recommended)
• Dry Film Thickness: 1.0 mil (1-2 mils recommended)
• Coverage: 1,000 sq.ft/gal (995 square feet per gallon)
• Impervious to Water: 1 hour
• Weather-Resistant: 2 hours
• Cure Time: 24 hours

Key Features

• Military Grade Protection: Approved under multiple military specifications
• Exceptional Humidity Resistance: Endures 4,100 hours in 100% Relative Humidity testing (ASTM D-1748)
• Superior Salt Spray Protection: Withstands 720 hours in 5% Salt Spray testing (ASTM B-117)
• Environmentally Friendly: Formulated with low VOC content for reduced environmental impact
• Oil/Grease Compatibility: Miscible with lubricating oils and greases, eliminating removal in many cases
• Translucent Film: Allows visual inspection of surfaces for hardness and imperfections
• Extended Protection: Provides up to 2 years of indoor protection and 6 months of outdoor protection
• Quick Water Resistance: Becomes impervious to water within 1 hour after application

Ideal Applications

Military and Defense:

• Protection of military equipment and components during storage and shipment
• Preservation of tactical and strategic equipment components
• Protection of precision parts in accordance with military specifications

Industrial and Manufacturing:

• Protection of highly polished cold-rolled steel
• Preservation of paper calendaring mill rolls during shipping
• Protection of steel coil and sheet stock during storage
• Preservation of cast and forged steel rolls in rolling industries
• Protection of precision components and machined parts

Transportation and Shipping:

• Protection of steel transportation parts and components
• Preservation of machinery during shipment
• Corrosion prevention for parts during domestic and international transit

Application Guidelines

TECTYL® 502C Class 2 can be applied by brush, dip, or spray methods:

• Application Methods: Can be applied by brush, dip, or spray
• Recommended Equipment: Pumps with ratios of 15:1 or greater for efficient application
• Nozzle Specifications: Tungsten carbide nozzles with 0.013″ to 0.017″ tip size
• Hose Requirements: High-pressure hose with at least 3/8 inch diameter for up to 50 ft of material hose
• Temperature Conditions: Daubert Chemical Company recommends that the ambient and product temperature be 50-95°F (10-35°C) at time of application
• Thinning: DO NOT THIN – Incorrect thinning will affect film build, dry time, and product performance
• Thickening Issues: If product thickens due to cold storage or loss of solvent during use, contact Daubert Chemical Company

Storage and Handling

• • Temperature Control: Store at moderate temperatures between 50-95°F (10-35°C)
  • National Stock Numbers: 8030-00-244-6950 (1 Gallon Can)
  • Export Control Classification Number (ECCN): EAR99
  • Removal: Can be removed using mineral spirits, hot alkaline wash, low-pressure steam, or citrus-based cleaners when necessary
  • Safety Precautions: Refer to SDS for detailed handling recommendations and safety requirements
  • Container Management: Keep containers sealed when not in use
  • Flash Point Awareness: Note the flash point of 105°F for proper safety measures during storage and handling
  • Documentation: Refer to SDS for additional safety information and handling recommendations