Overview
The PUSHEN KTQ-150mm Micrometer Film Applicator is a precision Spreader device that adjusts the drawdown blade gap through two differentiators at the upper end of the swirl/spin to Spreader a wet-film of a specific thickness. The product is suitable for planar substrate Spreaders, especially for high viscosity and high concentration Coatings, good film uniformity, application width of 150mm, accuracy of +/- 2μm.
Features
1. Spreader uniform wet film thickness on flat substrate
2. The film thickness range is 0~ 3500 μm, Graduation is 10 μm
3, with extended edge, can be folded in the film process Coating, suitable for high viscosity and high concentration Coating film
Principle
The drawdown blade gap is adjusted by swirl/spin differentiator to control the thickness of the Coating Spreader. When filming, the drawdown blade moves on a flat substrate to Spreader Coating at a uniform speed to form a wet-film of a specific thickness.
Steps
1. Place the Micrometer Film Applicator on a flat Testing substrate surface and adjust the drawdown blade to the desired gap (approximately twice the desired wet film thickness)
In the front section of the film knife, pour a small amount of test sample between the end plates at a slow and uniform speed (1~ 2cm/s)
3. Move the Micrometer Film Applicator until the Coatings are fully coated and any remaining Coatings have been removed from the end of the film path
4. The actual coated wet-film should be measured using a wet film thickness gauge and the gap adjusted until the desired wet film thickness is reached
Notice
• The exact ratio of wet film thickness to any film knife gap depends on the material used, the viscosity and texture of the liquid, the force applied to the film knife, the film speed, and the geometry of the film edge
• Clean and dry with appropriate solvent immediately after use
Both ends of the drawdown blade move in the slot, which needs to be kept free of sample material at all times
• Differentiators need to be repositioned occasionally to correct for abrasion or misalignment. Adjustments can be made by loosening rather than removing the two hidden set screws of each differentiator, allowing the assembly to be lowered or raised
