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Robert N. Works exactly as described. Fine mist spray that uses minimal amount of product each time. If you're reading this, buy this.
***NOTE: If you are seeing excessive buildup of laser residue after engraving your plastic material, please reoptimize your settings. Optimal settings will create very little residue.
BLOG: Optimization of Laser Settings

*Always do a spot test on a test cup to make sure that the cleaner you are using does not affect the plastic finish.