Powder coating for elevators

Product description

Coating characteristics:

—Excellent leveling

—High mechanical properties

—Good salt spray resistance

Application: Suitable for elevator floor doors, door frames, car doors, car roofs, car walls and outsourced parts.

Application parameters:

Curing time: 180℃~200℃×10–15 minutes

Spraying method: High-voltage electrostatic spraying 60-80 KV

Recommended film thickness: 60-150 um

Item	Instrument	Judgment standard	Test standard
Adhesion	Single-edged knife, tape	Level 0	GB/T9286
Impact resistance	Impact tester	50 kg.cm passed	GB/T 1732
Coating hardness	Hardness tester	≥1H	GB/T 6739
Solvent resistance	Anhydrous ethanol, rag	After 20 wipes, no scratches or discoloration	–
Alkali resistance	0.1N NaOH, beaker	≥48h, no blistering, shedding, rust, or spots on the coating	GB/T9274
Water resistance	Beaker, distilled water	≥240h, no blistering, shedding, rust, or spots on the coating	GB/T1733
Acid resistance	0.1N sulfuric acid, beaker	≥48h, no blistering, shedding, rust, or spots on the coating	GB/T9274
Neutral salt spray test	Salt spray test chamber	≥240h, rust and blister <2MM	GB/T1771
Flexibility	Bending tester	No cracks or shedding around the axis 2mm	GB/T1731
Artificial aging resistance	Aging test chamber	≥480h, gloss loss <1 level, discoloration <1 level, others are 0 level	Method 1 in GB/T1865