Fix-O-Dur Hardener 4L

Additional Information

Performance

Lechler Fix-O-Dur EC Hardener is a premium-grade acid catalyst. It is specifically engineered to activate polyvinyl butyral (PVB) wash primers. This chemical component is developed primarily for automotive refinishing, commercial fleets, and industrial coatings. Initially, it triggers a precise cross-linking reaction. Therefore, the base liquid transforms into an incredibly stable, protective layer.

By managing the chemical cure rate, this product provides a dependable flash-off window. Consequently, refinishing specialists can work confidently even under fluctuating workshop temperatures.

When you thoroughly combine it with its matching primer, the liquid mixture ensures a uniform film build. For detailed chemical safety guidelines, application hazards, and proper disposal methods when handling this product, painters should always refer to the official HSE Chemical Regulations documentation.

Furthermore, the engineered stability of the mixed equipment safeguards against premature gelation in the spray gun. As a result, bodywork painters gain ample working time to achieve smooth coverage over large surface areas. This specialized formulation is a staple in the comprehensive QPaints Hardeners Category, which supplies commercial workshops with professional-grade chemical activators.

Benefits

• Substrate Passive Etching: Chemically reacts with challenging metallic substrates to ensure maximum micro-mechanical grip and anchor patterns.

• Active Corrosion Prevention: Forms a highly impermeable, passivating barrier layer that continuously thwarts the spread of under-film rust and oxidization.

• Versatile Metal Adhesion: Optimizes adhesion profiles across bare steel, galvanized zinc-coated steel plates, lightweight aluminium alloys, and stainless steel panels.

• Rapid Flash-Off Windows: Accelerates production output within high-throughput commercial vehicle environments by lowering the wait time between coats.

• Industrial Fleet Efficiency: The high-capacity 4-litre volume reduces packaging waste, optimizes mixing logistics on large transport jobs, and ensures product consistency across entire vehicle builds.

Product Specifications

• Product Brand: Lechler Coatings

• System Range: Fix-O-Dur EC System

• Component Type: Acid Catalyst / Wash Primer Hardener

• Product Reference Code: 00328

• Pack Sizing: 4 Litres

• Material Compatibility: Bare Steel, Aluminium, Galvanized Steel, Light Alloys, Stainless Steel

• Target Sectors: Commercial Vehicles, Industrial Machinery, Refinish Bodyshops

Maximizing Results

Achieving perfect results with this wash primer catalyst depends on clean workshop processes and precise measurements. Before mixing or spraying, ensure all metallic panels are treated with a heavy-duty degreaser or solvent panel wipe. This step is vital to completely eliminate structural contamination, residual processing oils, or fingerprints.

Always mix the base wash primer and the acid activator in the exact ratios prescribed by the manufacturer. Utilizing calibrated mixing cups ensures the chemical balance remains accurate. Consequently, you will prevent issues with under-curing or reduced flexibility.

Next, apply the combined solution using clean, compliant spray equipment. For the best finish, work within standard application temperatures between 15°C and 25°C.

Because acid catalysts are highly hygroscopic, always secure the cap tightly immediately after pouring. This practice effectively protects the remaining chemical stock from absorbing ambient workshop humidity. Finally, proper safety gear should always be worn during handling and spraying. This includes chemical-resistant gloves and an air-fed or appropriate multi-gas respirator.