Description
Tectyl 7191 Clear is a water-based rust-proofing compound manufactured by Daubert Chemical Company, specifically designed to protect enclosed automotive body sections. Here are the key features and specifications:
Product Properties
- Appearance: Clear, low viscosity, thixotropic liquid
- Composition: Water-based with no flash point
- Viscosity: 20-30 seconds (#4 Ford Cup)
- Solids: 41% by weight, 39% by volume
- VOC: 0.5 lbs/gal
- Film Thickness: 125 microns wet, 50 microns dry
Performance Characteristics
- Creates a clear film that repels water, self-heals, and remains flexible
- Prevents chipping and cracking
- Excellent for water displacement and inner body corrosion prevention
- Penetrates seams through capillary action in metal-to-metal overlap areas
- Tested to withstand 240 hours in accelerated salt fog testing
- Withstands 1000 hours in humidity cabinet testing
- Maintains flexibility at temperatures as low as -40°C
- Resists flow at temperatures up to 100°C
- Will not stain automotive paint finishes
- Passes salt water immersion tests (one week at 40°C)
- Creep measurement: 6-12mm between overlapping metal panels
Application Instructions
- Surfaces must be clean, dry, and free of rust, oil, and mill scale
- Recommended application temperature: 50-95°F (10-35°C)
- Applied by low pressure airless spray equipment with spray wands
- Dries to touch in 2 hours, weatherproof in 16 hours
- Should be used as supplied without thinning
- Requires adequate ventilation during cure
Storage and Handling
- Store at temperatures between 50-95°F (10-35°C)
- Mild agitation recommended before use
- Do not freeze
- Wet films can be removed with soap and water
- Dried films can be removed with kerosene or mineral spirits
Important Notes
- The partially cured film should not be exposed to ignition sources
- Not recommended to add any product over or under this coating
- Use of additional coatings could result in chemical incompatibility
The product is specifically recommended for use wherever a water-displacing, long-term, inner body corrosion preventive is needed.