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How to judge the quality of the plant shutter

How to judge the quality of the plant shutter

2022-07-25 18:03:35

When we buy the planting shutter, we'd better first contact whether the shutter is smooth and uniform to see whether each louver will have burrs. If the texture is better, the service life will be longer.

 

Secondly, adjust the louver test up and down to see if there is a jam, whether it will be too loose or too tight, and whether there will be light leakage after the blade is closed.

 

Based on the above, if the shutter surface is smooth, the color is uniform, the texture is clear, the corners are free of burrs, the louver switch is smooth, and there is no light leakage after the louver is closed, then this shutter will be a perfect shutter.