{"id":1376,"date":"2025-12-23T07:40:31","date_gmt":"2025-12-23T07:40:31","guid":{"rendered":"https:\/\/bomissteel.com\/?post_type=product&p=1376"},"modified":"2026-05-12T05:20:04","modified_gmt":"2026-05-12T05:20:04","slug":"astm-ppgl-color-coated-roofing-sheet","status":"publish","type":"product","link":"https:\/\/www.bomissteel.com\/sw\/product\/astm-ppgl-color-coated-roofing-sheet\/","title":{"rendered":"Karatasi ya Paa ya ASTM PPGL"},"content":{"rendered":"

Karatasi ya Kuezeka ya ASTM Standard PPGL: Ulinzi wa Aloi ya Al-Zn ya Utendaji wa Juu<\/h2>\n

Our ASTM Standard PPGL (Prepainted Galvalume) Roofing Sheets are engineered for premium architectural projects that demand long-term structural integrity and superior thermal efficiency. Combining the sacrificial protection of zinc with the barrier protection of aluminum 1mm Aluminium Sheet, these color-coated panels are compliant with ASTM A792 (for the substrate) and ASTM A755 (for the coating system), making them the gold standard for roofing in coastal, industrial, and high-heat environments. 2B Finish Stainless Steel<\/p>\n

Faida ya Galvalume: Sehemu Ndogo ya Aloi ya 55% Al-Zn
\nKiini cha karatasi yetu ya kuezekea ya PPGL ni alumini ya 55%, zinki ya 43.4%, na mipako ya aloi ya silikoni ya 1.6%. Muundo huu maalum, unaosimamiwa na ASTM A792, hutoa:<\/p>\n

Muda Mrefu Mara Mbili: Viungo vya Galvalume kwa kawaida hudumu mara 2 hadi 4 zaidi kuliko chuma cha jadi cha mabati (PPGI) katika mazingira sawa.<\/p>\n

Tafakari Bora ya Joto: Kiwango cha alumini hutoa mwangazaji wa joto mwingi, huweka majengo katika hali ya baridi na hupunguza kwa kiasi kikubwa gharama za nishati kwa ajili ya kiyoyozi.<\/p>\n

Sifa za Kujiponya: Sehemu ya zinki hutoa ulinzi muhimu wa kathodi kwenye kingo zilizokatwa na mikwaruzo, kuzuia kuenea kwa kutu.<\/p>\n

Faida Muhimu za Matumizi ya Usanifu<\/h2>\n

Uzito Mwepesi na Nguvu ya Juu: Kiini cha chuma kinachofuata ASTM huruhusu vipimo vyembamba bila kuathiri uwezo wa theluji au upepo, na hivyo kupunguza uzito wa jumla wa muundo wa paa.<\/p>\n

Utofauti wa Urembo: Inapatikana katika wigo mpana wa rangi za RAL na wasifu tofauti (Mviringo, Trapezoidal, au IBR), ikiwapa wasanifu usanifu unyumbufu usio na kikomo.<\/p>\n

Uendelevu wa Mazingira: Karatasi zetu za PPGL zinaweza kutumika tena kwa 100% na zina rangi za "Cool Paa" zinazopunguza athari ya Urban Heat Island.<\/p>\n

Muhtasari wa Vipimo vya Kiufundi (Uzingatiaji wa ASTM)<\/h2>\n\n\n\n\n\n\n\n\n\n\n
Kipengele<\/strong><\/td>\nMahitaji ya Kiwango cha ASTM<\/strong><\/td>\nUtendaji wa Chuma cha Bomis<\/strong><\/td>\n<\/tr>\n<\/thead>\n
Daraja la Substrate<\/b><\/span><\/td>\nASTM A792 (CS \/ Daraja la SS 33-80)<\/span><\/td>\nUbora Mkuu Kamili Ngumu \/ Laini<\/span><\/td>\n<\/tr>\n
Mipako ya Al-Zn<\/b><\/span><\/td>\nAZ50, AZ100, AZ150<\/span><\/td>\nUdhibiti Sahihi wa Aloi<\/span><\/td>\n<\/tr>\n
Mipako ya Rangi<\/b><\/span><\/td>\nASTM A755 (PVDF \/ SMP \/ PE)<\/span><\/td>\nUpinzani wa Juu wa UV na Chaki<\/span><\/td>\n<\/tr>\n
Jaribio la Kupinda kwa T<\/b><\/span><\/td>\n$leq$<\/span> 2T (Hakuna Kupasuka)<\/span><\/td>\nUshikamano Uliohakikishwa<\/span><\/td>\n<\/tr>\n
Ugumu wa Penseli<\/b><\/span><\/td>\n$geq$<\/span> H<\/span><\/td>\nUimara wa Juu wa Uso<\/span><\/td>\n<\/tr>\n
Upinzani wa Joto<\/b><\/span><\/td>\nHadi 315\u00b0C<\/span><\/td>\nHakuna Kubadilika Rangi<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Ufungashaji wetu<\/h2>\n
\"Kiwanda
Kiwanda cha Koili\/Mashuka ya Chuma Yaliyopakwa Rangi ya Awali<\/figcaption><\/figure>\n
\"Kiwanda
Kiwanda cha Koili\/Mashuka ya Chuma Yaliyopakwa Rangi ya Awali<\/figcaption><\/figure>\n
<\/div>\n

Onyesho la Bidhaa<\/h2>\n
\"Coil
Coil ya PPGL - ASTM A755 (Karatasi ya paa)<\/figcaption><\/figure>\n
\"Coil
Coil ya PPGL - ASTM A755 (Karatasi ya paa)<\/figcaption><\/figure>\n
<\/div>\n

Maswali Yanayoulizwa Mara kwa Mara<\/h2>\n

1. Tofauti kuu kati ya PPGI na shuka za kuezekea za PPGL ni ipi?<\/strong>
\nTofauti kuu iko katika mipako ya substrate. PPGI (Iliyopakwa Rangi Iliyotengenezwa Kabla) hutumia mipako ya zinki ya 100%, huku PPGL (Iliyopakwa Rangi Iliyotengenezwa Kabla) ikitumia mipako ya aloi ya Alumini-Zinki ya 55%. Kulingana na viwango vya ASTM A792, alumini katika PPGL hutoa ulinzi bora wa kizuizi na uakisi wa joto, na kufanya PPGL kudumu mara 2 hadi 4 zaidi kuliko PPGI katika mazingira yenye babuzi nyingi au ya pwani.<\/p>\n

2. Kiwango cha ASTM A792 kinahakikishaje ubora wa PPGL?<\/strong>
\nASTM A792\/A792M ni vipimo vya kawaida vya chuma kilichofunikwa na aloi ya 55% Al-Zn. Inasimamia muundo wa kemikali wa mipako, sifa za kiufundi za msingi wa chuma, na uzito wa mipako (kama vile AZ50 au AZ150). Kuzingatia kiwango hiki kunahakikisha kwamba karatasi za kuezekea unazonunua zina nguvu ya kimuundo na upinzani wa kutu unaohitajika kwa matumizi ya usanifu wa muda mrefu.<\/p>\n

3. Kwa nini paneli za ASTM PPGL zinachukuliwa kama nyenzo za "Paa Baridi"?<\/strong>
\nPaneli za kawaida za ASTM PPGL zina mwangaza wa kipekee wa joto. Alumini katika mipako ya Al-Zn huakisi kiasi kikubwa cha mionzi ya jua mbali na jengo. Hii hupunguza joto linalofyonzwa na paa, na kuweka halijoto ya ndani kuwa chini na uwezekano wa kupunguza gharama za nishati ya kiyoyozi kwa 20-30%, haswa katika maeneo ya kitropiki au yenye joto kali.<\/p>\n

4. Je, mabati ya kuezekea ya ASTM PPGL yanaweza kutumika katika maeneo ya pwani?<\/strong>
\nNdiyo, lakini kwa mahitaji maalum. Kwa maeneo ya pwani yenye dawa ya chumvi nyingi, tunapendekeza mipako ya PVDF inayolingana na ASTM A755 kwenye substrate ya Galvalume ya AZ150 (150g\/m\u00b2). Mchanganyiko wa ulinzi wa ukingo wa aloi ya Al-Zn na rangi ya PVDF inayostahimili UV huhakikisha kwamba paneli zinapinga kutu inayosababishwa na chumvi na kufifia kwa rangi vizuri zaidi kuliko mipako ya kawaida.<\/p>\n

5. Muda wa kawaida wa paa la ASTM Standard PPGL ni upi?<\/strong>
\nInapowekwa kwa usahihi na kutumia vipimo vinavyofaa (kama vile AZ150 yenye rangi ya HDP au PVDF), paa la ASTM Standard PPGL linaweza kudumu kwa miaka 25 kulingana na hali ya mazingira. Upinzani wake bora dhidi ya kutu na chaki hulifanya kuwa mojawapo ya chaguo za paa za chuma zenye kudumu zaidi na zisizohitaji matengenezo mengi zinazopatikana leo.<\/p>\n

 <\/p>","protected":false},"excerpt":{"rendered":"

Mahali pa Asili<\/strong>:Shandong, Uchina<\/p>\n

Muda wa Uwasilishaji<\/strong>\uff1asiku 20<\/p>\n

Uwezo wa kuongeza<\/strong>: Tani 5000 kwa Mwezi<\/p>\n

rangi<\/strong>: Tunaweza kubinafsisha rangi kulingana na sampuli yako na chati ya rangi ya RAL<\/p>\n

MOQ<\/strong>: Tani 18<\/p>\n

Kiasi tofauti cha chini cha oda husababisha bei tofauti za bidhaa<\/p>\n

Ukihitaji, tafadhali wasiliana na huduma yetu kwa wateja haraka iwezekanavyo<\/p>","protected":false},"featured_media":4035,"template":"","meta":{"rank_math_title":"ASTM PPGL Roofing Sheet | Color Coated Steel | Bomis","rank_math_description":"High-durability ASTM PPGL roofing sheets from Bomis Steel. Premium color-coated Galvalume panels with superior corrosion resistance and heat reflectivity. Ideal for industrial and residential use. ","rank_math_canonical_url":"","rank_math_focus_keyword":""},"product_brand":[],"product_cat":[36],"product_tag":[],"class_list":["post-1376","product","type-product","status-publish","has-post-thumbnail","product_cat-ppgi-roof-sheet","first","instock","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/www.bomissteel.com\/sw\/wp-json\/wp\/v2\/product\/1376","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bomissteel.com\/sw\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.bomissteel.com\/sw\/wp-json\/wp\/v2\/types\/product"}],"version-history":[{"count":12,"href":"https:\/\/www.bomissteel.com\/sw\/wp-json\/wp\/v2\/product\/1376\/revisions"}],"predecessor-version":[{"id":6613,"href":"https:\/\/www.bomissteel.com\/sw\/wp-json\/wp\/v2\/product\/1376\/revisions\/6613"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bomissteel.com\/sw\/wp-json\/wp\/v2\/media\/4035"}],"wp:attachment":[{"href":"https:\/\/www.bomissteel.com\/sw\/wp-json\/wp\/v2\/media?parent=1376"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.bomissteel.com\/sw\/wp-json\/wp\/v2\/product_brand?post=1376"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.bomissteel.com\/sw\/wp-json\/wp\/v2\/product_cat?post=1376"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.bomissteel.com\/sw\/wp-json\/wp\/v2\/product_tag?post=1376"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}