Izikhwama ze-Melt Valve eziphansi

izikhwama zevalvu ezincibilika eziphansi, ezisetshenziselwa kakhulu ukupakishwa kwe-5kg-25kg yezithako zenjoloba kanye nempushana ye-resin noma ama-pellets, isb. carbon black, zinc oxide, silica, CPE.