Ko te raima i runga i te gypsum e kiia ana ko te moata maroke kua oti te whakauru, kei roto ko te gypsum hei here.Ka konatunatua ki te wai i te waahi mahi ka whakamahia mo te whakaoti i nga momo pakitara o roto - pereki, raima, poraka ALC aha atu.
Ko te Hydroxy Propyl Methyl Cellulose(HPMC) he taapiri nui mo te mahi tino pai i ia tono o te raima gypsum.