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Chemical Engineering and Process
Pencil Hardness Test
The core method for evaluating coating surface scratch resistance
Directly reflects coating hardness and wear resistance
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Coating Weight Test
Precisely measures zinc/aluminum-zinc coating mass per unit area
Ensures anti-corrosion performance meets standards
Film Thickness Test
Controls coating thickness uniformity and consistency
Guarantees stable product appearance and protection
Acetone Rub Test
Evaluates coating curing degree and surface cross-linking density
Ensures coating meets design hardness and solvent resistance
Salt Spray Test
Accelerated simulation of corrosion resistance in harsh environments
Provides scientific basis for product service life
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