Tectyl 435D

TECTYL 435D is a premium corrosion preventive compound manufactured by Daubert Chemical Company, designed specifically for long-term protection of metal surfaces against atmospheric corrosion. This petrolatum-based, hot application preservative creates a firm, wax-like barrier film that effectively shields both ferrous and non-ferrous metals from corrosive elements. The product is officially approved under Military Specification MIL-PRF-11796C for both Class 1 and Class 1A applications, demonstrating its exceptional performance and reliability in demanding environments.

Properties

• Dry Film Color: Tan
• Film Type: Firm, Wax-like
• Liquid Appearance: Tan
• Non-Volatiles by Weight: >99%
• Non-Volatiles by Volume: >99%
• Specific Gravity: 0.901
• Weight per Gallon: 7.5 lbs
• V.O.C. (lbs/gal minus water): 0
• Viscosity: 20 cTs @ 212°F
• Penetration @ 77°F: 49 mm
• Flash Point: 350°F
• Dry Film Thickness: 1.5 mils
• Coverage: 145 sq.ft/gal
• High Flow Temperature: 150°F
• Melting Point: 175°F

Key Features

• Military-approved corrosion prevention (QPL-11796C listed for Classes 1 and 1A)
• VOC-free formulation for minimal environmental impact
• Superior barrier protection against moisture and atmospheric contaminants
• Excellent temperature resistance with 350°F flash point
• Extended protection periods (5-10 years indoor storage)
• Exceptional performance in salt spray testing (500 hours ASTM B-117)
• Durable, non-oxidizing protective film that maintains integrity in varying conditions

Ideal Applications

• Military Equipment: Protection of weapons, vehicles, and naval equipment
• Maritime Applications: Preservation of ballast tanks, void spaces, and wire ropes
• Industrial Storage: Long-term protection of precision-machined metal parts
• Infrastructure: Protection of elevator and suspension bridge cables
• Transportation Industry: Protection of critical metal components during shipping
• Mining and Oil & Gas: Protection of equipment exposed to harsh environments

Application Guidelines

• Supplied in open head containers as a solid at room temperature
• Recommended application by dip at 180°F
• Can be applied by hot airless spray at 175°F-200°F for optimal results
• Alternative application by brush or swab at warm temperatures
• Apply to clean, dry metal surfaces for best adhesion and performance
• Use pumps with ratios of 30:1 or greater for spray application
• Recommended tungsten carbide nozzles (0.019″ to 0.023″ tip size)

Storage and Handling

• Store in original containers at recommended temperatures
• Available in various packaging options (NSN: 8030-00-514-1843, 8030-00-514-3288, 8030-00-597-2354)
• Removal of both wet and dry film using mineral spirits or citrus-based cleaners
• Provides up to 5-10 years of indoor storage protection
• Delivers up to 1 year of outdoor storage protection under proper conditions
• Export Classification: EAR99