New Technology Prevents Weld Lines in Molded Plastic: Weld lines, also called knit lines, are a common problem encountered by injection molders. Beyond aesthetic issues, weld lines can also lead to functional failure. During a press conference at K 2022 in Düsseldorf, Germany, compounder Sirmax Group introduced Gas-Assisted Push-Pull (GAPP) technology, which, it claims, can … Continue reading New Technology Prevents Weld Lines in Molded Plastic