Ɔdan atifi ade a ɛfata sen biara a wɔbɛpaw no yɛ gyinaesi a ɛho hia a ɛka ɔdan bi nkwa tenten, ahoɔden a wɔde di dwuma yiye, ne sɛnea ɛyɛ fɛ no kɛse. Guadidan no de nneɛma ahorow a egu ahorow ma ɔdan atifi ntama a wɔpaw, a emu biara wɔ agyapade soronko a wɔayɛ ama nneɛma a atwa yɛn ho ahyia tebea pɔtee ne adansi ho ahwehwɛde ahorow. Saa nhwehwɛmu a ɛkɔ akyiri yi hwehwɛ ɔdan atifi ntama ahodoɔ mu, hwehwɛ wɔn nneɛma, mfasoɔ, sintɔ, ne dwumadie a ɛyɛ papa a wɔde bɛkyerɛ wɔn a wɔde wɔn ho hyɛ mu no kwan wɔ paw a wɔde nimdeɛ paw mu.
Dade a Wɔde Yɛ Ɔdan atifi Nkratafa
Aluminium Ntama a Wɔde Si Adan atifi
Aluminium adan atifi ntama agye din sɛ emu yɛ hare na ɛyɛ soronko sɛ ɛko tia nsɛe. Esiane sɛ wɔn mu duru bɛyɛ nkaribo 5 wɔ anammɔn ahinanan biara mu nti, wɔmfa adesoa a wɔde si dan mu no sua sɛ wɔde toto nneɛma a wɔde di dwuma wɔ amanne kwan so ho a. Aluminium fi awosu mu yɛ oxide a ɛbɔ ho ban, na ɛma ɛtra hɔ kyɛ, titiriw wɔ mpoano mmeae a nkyene nsu a ɛporɔw abu so no. Sɛnea Aluminum Fekuw no kyerɛ no, aluminium dan atifi betumi atra hɔ mfe 50 a wonsiesie no pii. Bio nso, wɔn hann a ɛkɔ soro —owia hann a ɛkɔ soro kodu 90% —boa ma wɔde ahoɔden di dwuma yiye denam onwini ho ka a wɔtew so wɔ mmeae a ɛhɔ yɛ hyew no so.
Dade a Wɔde Galvanized Ayɛ a Wɔde Si Adan atifi Ntama
Dade a wɔde galvanized ayɛ a wɔde yɛ ɔdan atifi ntama yɛ dade a wɔde zinc akata so denam ɔhyew a wɔde gu mu so, na ɛma ɛyɛ akwanside a ɛyɛ den a ɛko tia nsɛe. Zinc no yɛ adwuma sɛ afɔrebɔ anode, na ɛbɔ dade a ɛwɔ ase no ho ban sɛ wɔabɔ ne soro mpo a. Saa ɔdan atifi dan yi nyɛ nea ɛho ka sua na ɛma wotumi tra ase mfe 25 kosi 60, a egyina nneɛma a atwa yɛn ho ahyia so. Nhwehwɛmu a efi National Association of Corrosion Engineers hɔ kyerɛ sɛ galvanized a wɔde kata dade so wɔ nkuraase mmeae betumi abɔ dade ho ban bɛboro mfe aduonum. Wɔn a wobetumi anya ne ne bo a ɛyɛ den no ma nkurɔfo ani gye ho wɔ adan a wɔtra mu ne aguadi adan mu.
Dade a Wɔde Yɛ Ɔdan atifi Ntama
Wonim dade a wɔde yɛ ɔdan atifi ntama sɛ ɛyɛ den na ɛyɛ adwuma wɔ mmeae pii. Wotumi gyina wim tebea a emu yɛ den ano, a sukyerɛmma a emu yɛ duru ne mframa a ano yɛ den a ɛkɔ mph 140 ka ho. Nneɛma foforo te sɛ Galvalume—a wɔde zinc ne aluminium akata so—ma dade tumi gyina nsɛe ano yiye. Nhwehwɛmu bi a Metal Construction Association yɛe no si so dua sɛ Galvalume dade a wɔde yɛ ɔdan atifi betumi atra hɔ mfe 60. Dade dan atifi nso nsɛe ahoɔden pii bere a wɔde nneɛma a ɛma hann kata so, a ebetumi atew onwini ho ka so akodu 25%. Wotumi san de di dwuma bio, na ɛne adansi ho nneyɛe a ɛtra hɔ daa hyia.
Aluzinc Ɔdan atifi Ntama
Aluzinc ɔdan atifi ntama yɛ dadeɛ a wɔde aduru a ɛyɛ 55% aluminum, 43.4% zinc, ne 1.6% silicon akata so. Saa nneɛma yi ka aluminium a ɛko tia nsɛe ne galvanic ahobammɔ a ɛwɔ zinc mu no bom. Aluzinc adan atifi da adwumayɛ a ɛkorɔn adi wɔ mmeae a emu yɛ den, a mfiridwuma ne po so mmeae ka ho. Nhwehwɛmu kyerɛ sɛ Aluzinc a wɔde kata so no tumi tra hɔ kyɛ sen galvanization a wɔde di dwuma wɔ amanne kwan so no mmɔho anan. Wɔn ɔhyew a ɛma ɛyɛ hyew no ma ɔhyew a ɛkɔ nipadua no mu no so tew, na ɛma emu ahotɔ yɛ kɛse. Nneɛma a ɛtra hɔ kyɛ ne ahoɔden a wɔde di dwuma yiye a wɔde afrafra no ma Aluzinc yɛ nea eye sen biara a wobetumi de adi dwuma bere tenten.
Plastik Ntama a Wɔde Si Adan atifi
PVC Ɔdan atifi Nkratafa
PVC (Polyvinyl Chloride) ɔdan atifi ntama yɛ ano aduru a emu yɛ hare na ɛho ka sua a wɔtaa de di dwuma wɔ kuayɛ, mfiridwuma, ne atrae adan mu. Wɔma nnuru a ɛko tia nyarewa yiye na wontumi nsɛe na ɛporɔw. Ɛnyɛ den sɛ wɔde PVC adan atifi besisi na enhia sɛ wosiesie no kɛse. Nanso ebia wɔrentumi mma ntra hɔ nkyɛ te sɛ dade dan atifi wɔ wim tebea a emu yɛ den mu. Nkɔso a aba wɔ nneɛma a wɔyɛ mu no ama wɔayɛ PVC adan atifi nneɛma a wɔahyɛ no den a ɛma ahoɔden ne nkwa nna yɛ kɛse, na ɛma ɛfata sɛ wɔde di dwuma wɔ akwan horow pii so.
Polycarbonate Ntama a Wɔde Si Adan atifi
Wonim polycarbonate ɔdan atifi ntama sɛ ɛyɛ soronko a ɛko tia nsunsuanso ne nea ɛda adi pefee, na ɛma hann kɔ 90%. Wɔyɛ nea eye ma adan a ehia sɛ wɔde abɔde mu kanea te sɛ afie a wɔde wim yɛ hyew, wim ahwehwɛ, ne kar gyinabea. Polycarbonate mu yɛ den sen ahwehwɛ mpɛn 200 na etumi gyina ɔhyew a ɛtra so fi -40°F kosi 240°F ano. Nneɛma a wɔde kata so a UV ntumi nkɔ so no ma ɛyɛ den denam owia hann a ɛmma ɛnsɛe no a esiw ano no so. Ɛmfa ho mfaso a ɛwɔ so no, ebia polycarbonate adan atifi bo yɛ den sen plastic afoforo a wobetumi apaw na ebetumi atrɛw anaasɛ ɛtwetwe bere a ɔhyew no sakra, na ɛho behia sɛ wɔde ahwɛyiye hyehyɛ mu.
Nhwehwɛmu a Wɔde Toto Ho
Sɛ wɔde nneɛma a wɔde si dan atifi retoto ho a, ɛsɛ sɛ wosusuw nneɛma pii ho:
Sɛnea ɛtra hɔ kyɛ: Dade dan atifi, titiriw nea wɔde dade, aluminium, anaa Aluzinc ayɛ no, ma ɛtra hɔ kyɛ a ɛkorɔn, na mpɛn pii no ɛboro mfe 50.
Ɛka: Mpɛn pii no, dade a wɔde galvanized ayɛ ne PVC ɔdan atifi ntama yɛ nea wotumi tɔ kɛse ansa na wɔadi kan atɔ nanso ebia ɛho ka yɛ kɛse wɔ bere tenten a wɔde siesie ho.
Nneɛma a Atwa Yɛn Ho Ahyia: Dade a wɔde yɛ ɔdan atifi ntama yɛ nea wotumi san de di dwuma bio na ebetumi aboa ma ahoɔden a wɔde yɛ adwuma no ayɛ adwuma yiye, bere a ebia plastic a wɔpaw no renyɛ nea ɛmma nneɛma a atwa yɛn ho ahyia no nsɛe saa.
Afɛfɛde: Dade adan atifi ma wonya nneɛma ahorow a wɔde wie ne nea wɔde yɛ nneɛma, na ɛma adansi ho anigye yɛ kɛse, bere a polycarbonate ntama ma wonya nneɛma soronko a ɛda adi anaasɛ ɛyɛ hann.
Nneɛma a Wɔde Sisi ne Ne Siesie: Ɛnyɛ den sɛ wɔde nneɛma a emu yɛ hare te sɛ aluminium ne PVC besisi hɔ, na ɛtew adwumayɛfo ka so.
Nsɛm a Wɔayɛ ho Nhwehwɛmu
Nhwehwɛmu bi a Cool Roof Rating Council yɛe no daa no adi sɛ aluminium ne dade adan atifi a wɔde nneɛma a ɛma hann kata so no brɛ nkurow akɛse mu ɔhyew nsupɔw ase kɛse. Wɔ atrae dwumadie mu no, afiewuranom bɔɔ amanneɛ sɛ wɔkora ahoɔden a ɛkɔ soro kodu 20% wɔ dadeɛ dan atifi a ɛma hann a ɛma hann sisi hɔ akyi. Nnwumayɛbea ahorow a wɔde Aluzinc ɔdan atifi ntama di dwuma no ahyɛ no nsow sɛ ɔdan atifi nkwa nna akyɛ na ɛka a wɔbɔ wɔ nsiesie ho no so atew. Wɔ kuayɛ mu no, polycarbonate a wɔde si dan atifi no ama afifide nyin atu mpɔn denam abɔde mu hann a ɛma ɛyɛ kɛse bere a ɛma wonya dabere no so.
Abenfo Adwene
Adansi ho abenfo si hia a ɛho hia sɛ wogyina adwuma no ahwehwɛde pɔtee bi so paw nneɛma a wɔde besisi dan atifi so dua. Oduruyɛfo Emily Sanders, a ɔyɛ adansi ho ɔbenfo a ɔhwɛ adansi a ɛtra hɔ daa so no ka sɛ, 'Sɛ wobɛpaw ɔdan atifi ade a ɛfata a, ɛhwehwɛ sɛ wɔma ɛka a wɔbɔ wɔ mfiase no ne mfaso a wonya bere tenten no kari pɛ. Bere a dade dan atifi, bere a ne bo yɛ den ansa na wɔayɛ no, ma ɛtra hɔ kyɛ a ɛso bi nni na ɛma ahoɔden a wɔde di dwuma yiye.' Saa ara nso na adansi ho mfiridwumayɛfo John Mitchell si so dua sɛ, 'Wɔ adan a ɛwɔ mmeae a asɛe ho no, nneɛma te sɛ Aluzinc ma ahobammɔ a eye sen biara na trɛw ɔdan no atifi som nkwa nna mu.'
Awie
Sɛ wɔbɛkyerɛ ɔdan atifi ntama a eye sen biara a, egyina nneɛma ahorow a nneɛma a atwa yɛn ho ahyia, sikasɛm mu anohyeto ahorow, adansi ho ahwehwɛde, ne afɛfɛde a wɔpɛ so. Dade a wɔde yɛ ɔdan atifi ntama te sɛ aluminium, galvanized iron, dade, ne Aluzinc ma ɛtra hɔ kyɛ na ɛmma ahoɔden nsɛe, na ɛma ɛfata ma nneɛma ahorow pii. Plastik a wɔpaw te sɛ PVC ne polycarbonate ɔdan atifi ntama ma wonya ano aduru a ɛho ka sua na emu yɛ hare ma ahiade pɔtee bi, titiriw wɔ baabi a wɔpɛ abɔde mu hann. Nnwuma mu adwumayɛfo a wo ne wɔn besusuw ho na wosusuw ɔdan no su soronko ho no ho hia na ama wɔapaw nea eye sen biara. Wɔ wɔn a wɔrehwehwɛ akwan a ahoɔden kɛse wom, a ɛnyɛ nsɛe no fam no, wɔhwehwɛ mu ebia nneɛma a wɔde dade a wɔde yɛ ɔdan atifi ntama bɛma wɔanya bo a eye sen biara bere tenten.
Shandong Sino Steel Co., Ltd. yɛ adwumakuw a ɛyɛ adwuma yiye ma dade a wɔyɛ ne aguadi. N’adwuma no bi ne dade a wɔyɛ, ne yɛ, ne kyekyɛ, ne nneɛma a wɔde kɔ amannɔne ne nea wɔde kɔ amannɔne.
