Amagwiritsidwa ntchito kwambiri posindikiza mapepala osindikizira, mapepala a PP, zomatira PP (vinyl, polyvinyl chloride), pepala lojambula zithunzi, pepala lojambulajambula, chomata chagalimoto PVC (polycarbonate), pepala lopaka madzi lopanda madzi, zipangizo zamagulu a PU, etc.