I ka wā i hoʻolahaʻia ai nā pilikia o ka pale maloʻo Palani , no ka mea he nui ka poʻe home'āina i hoʻonāukiuki i ka nīnau nui: He aha kaʻu hana pale maloʻo? A pehea e pili ai i ka hui hui pū i hoʻohanaʻia e hana i nā kuʻi ma waena o nā pale kaukau?
Pāʻani Rock a me Pepa
Ma hope o nā makahiki he nui o ka wizardry a me ka uluʻana o nā huahana, he mea maikaʻi e nānā i ka hanaʻia o ko mākou mau pā iʻelua mau mea liʻiliʻi: pōhaku a me pepa.
ʻOiai he nui nā mea additive i loaʻa i ka pale maloʻo, nui ka hui i hana i kā lākou huahana mai:
- Gypsum : E komo ana ma waena o 70% a 90% o kahi pale maloʻo, ua lōʻihi ka hana o ka pine i nā mea papahana. ʻO ka meaʻole i kapaʻiaʻo ka sulfate calcium,'āliki ka gypsum i kaʻu, ahi ahi a hōʻoia, a hāʻawi i nāʻano make-ʻoi aku. ʻO ka'ōpala ahi-ʻano X ka maloʻo maloʻo i ka fiberglass i hoʻokomoʻia i ka gypsum. ʻAʻole e like me ka asbestos, ka mea iʻikeʻia e loaʻa ai ka maʻi maʻamau i kapaʻia he mesothelioma,ʻaʻole ka lepoʻeleʻele i kahi pōʻino maikaʻi loa.
- Cellulose : E hiki i ka 10% o ka papa hana papahana. ʻO ka Cellulose ka pepa e kū ana ma nāʻaoʻaoʻelua o ka pale maloʻo. Mahuahua nui, akā,ʻaʻole e pale i kahi pale kau ma ka pepa akā i ka uhiʻana i ka moena fiberglass. Hoʻohālike nā USG Sheetrock® Māmā a me ka GP o DensArmor Plus®. ʻO kaʻoiaʻiʻo, inā hoʻohana mauʻoe i ka pepa pepa pani e like me ka FibaTape, hoʻohanaʻoe i keʻano likeʻole o nā mea i hoʻohanaʻia no ka pale maloʻo pale.
Ma hope o kēlā mau waiwai nuiʻelua,ʻo nā mea'ē aʻe a pau e pili ana:
- Crystalline Silica
- ʻO Vermiculite
- Ka Pailapona Sulfate
- ʻO Starch
- Mica
- Wax
- ʻO Boric Acid
Hui Hui Hui
Ma muli o ka pūhui hui , a me ka lepo, no ka uhiʻana i nāʻene i hoʻopaʻaʻia ma waena o nā pale maloʻo e like me ka pīpī.
ʻAʻole ia.
- Kalepona Carbonate :ʻO ka meaʻole i kapaʻia he'alaina'āina,ʻo ia ka'enela nui ma loko o ka palapalapala maloʻo.
- Kōkua :ʻO ka lepo pale maloʻo paha ka hana o kou ola hou? Ke hoʻomau mau neiʻoe i nā pale e pale i ka lepo e hiki ai i nāʻaoʻao'ē aʻe o kou hale? ʻAe,'ākuhi kala. ʻO kēia mineral ultra-fine, kahi maʻalahi e like me ka pēpē pēpē, hoʻohanaʻia i ka hui pūpiliʻia no ka mea e kuʻalulu ana kona mau'āpana pālahalaha a pale i ka piʻo. ʻO Talc ka mea e kōkua i kou lepo lepo ma lalo o ke aniani. Ma waena o 5% a me 15% o ka hui hui pūʻia me talc.
ʻAʻole Palekanaʻo Sulfur a me Strontium
Ua loaʻaʻo Sulfur ma kahi pale pale malo'ī Kina, akā,ʻaʻole i loko o ka pale maloʻo. Ua loaʻa ka Strontium i nā kaʻinaʻoi aku ma luna o ka pale maloʻo o China ma mua o ka pale pale pale US.
Loaʻaʻia ka Acetaldehyde a me ka formaldehyde ma kahi pākī maloʻo a me ka US. Akā, ma ka pale maloʻo US, ua pilikia kēia mau mea i loko o nā palena palekana (ʻaʻole i ka pale maloʻo Kina.)
Uaʻikeʻia nā US Brands of Drywall
ʻO ka papa pahu pahu Sheetrock®, i hanaʻia e USG Corporation,ʻo ia ka inoa kaulana loa o ka pale maloʻo. Inā loaʻa iāʻoe ka pāpālina mai ka USG, hiki iāʻoe ke hōʻoiaʻiʻoʻaʻole e hoʻopukaʻia nā pilikia o ka "Chinese-type" meʻoe i ka papa. Hōʻikeʻo USG i loko o 90 mau makahiki o ka hanaʻana,ʻaʻoleʻike kekahi o nā pilikia likeʻole e like me ka loaʻaʻana o ka pale maloʻo Kina.
Ināʻaʻole ia e hōʻoluʻolu iāʻoe, i ka wā a mākou i'ōlelo aku ai iā USG, haʻi mai lākou iā mākou "ua hanaʻia ka papa pālima pahu USG a USG iʻAmelika Hema.ʻAʻole i hanaʻo USG i ka papa hana papa ma Kina aʻaʻole hoʻi i hoʻopili houʻia iʻole ka rebranded papa hana i hanaʻia ma Kina."
Ma kahi hui lōkahi mai ka Hui Kuleana Meaʻai aʻAmelika Hui PūʻIa a meʻehā mau pūʻali lolaʻAmelika, uaʻikeʻoleʻia kahi palaka palekana i hanaʻia e ka US no nā pilikia e like me ka pale maloʻo Kina.