Zomwe zili mu botolo la headpace ndi galasi la borosilicate lomwe lili ndi mlingo wochepa wochotsa, womwe uli ndi chiwerengero chochepa chowonjezereka, kukana kutentha kwambiri, mphamvu zambiri, kuuma kwakukulu, kutulutsa kuwala kwakukulu komanso kukhazikika kwa mankhwala. Botolo lachitsanzo la headpace ndiloyenera kusanthula zapamutu za zolimba zosakhazikika ndi mpweya.