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Category Archives: Plastic
May21
Managing Color Variation in Plastic Parts: 7 Practical Tips for Better Color Control
Pantone color guides A few days ago, a reader asked Workingbear about color variation issues between plastic injection-molded parts, and whether there are any good ways to better control color consistency. The problem was probably caused by the purchasing team … Continue reading
May13
MRB Decision-Making and Cosmetic Quality Evaluation for Plastic Parts
When Workingbear first joined an electronics final assembly factory as a product/process engineer, I often had to attend MRB (Material Review Board) meetings. From time to time, people would come to me asking me to evaluate rejected parts and decide … Continue reading
Apr22
How to Define Cosmetic Quality Standards for Plastic Parts
Caption: Cosmetic scratches on plastic parts Before products are put into inventory after final assembly, electronics manufacturing factories always perform quality inspections to ensure product quality. In terms of functional performance, most products go through 100% function testing, so pass/fail … Continue reading
Jun12
Impact Drop Test Requirements in Electronic Product Development
During the design and verification phase of electronic products, an Impact Drop Test is a standard procedure. This test is generally divided into two phases: Product Drop Test – Testing the device without packaging. Packagage Drop Test – Evaluating the … Continue reading
Mar20
What is Tg (Glass Transition Temperature) and Its Role in PCBs?
Glass Transition Temperature (Tg) is one of the most important properties of all plastic and epoxy resin materials. In fact, the Tg value is also an indicator of the quality of the fiberglass fabric used in PCB manufacturing. However, compared … Continue reading
