Mobile phone lens strengthening process PMMA injection molding process Note 1 80℃, 5 minutes 80℃×5min 80℃×2 hours Note 1: 1 tank: ultrasonic rough cleaning (pure water, add 2‰ proportion of detergent, water temperature 60℃) 2 tanks: ultrasonic rinsing (pure water, add 1‰ proportion of detergent, water temperature 60℃) 3 tanks: soft water spray (pure water rinse, water temperature at room temperature) 4 tanks: ultrasonic fine cleaning (pure water, water temperature 60℃) 5 tanks: ultrasonic fine cleaning (pure water, water temperature at room temperature) 6 tanks: DI water cutting water (pure water, water temperature 70℃, linear motor stable rotation) Note: After strengthening, the surface hardness of PMMA lens can reach 4~6H pencil hardness, and now it can reach 8H, hehe!!! PC can achieve 2~3H pencil hardness. ----------------------- PMMA injection molding product cleaning and drying SX--1800D coating and curing quality inspection room temperature: 20℃ humidity: 60% liquid temperature: 20-22℃ concentration: 0.91 spin speed: 30cm/min annealing...
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