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