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我先觀察彩鋼板外露鋼(gang)材(cai)如(ru)斷面(mian)等是(shi)否結(jie)(jie)晶(jing)(jing)細密(mi),是(shi)否發灰、發暗(an)和(he)雜(za)質。若切面(mian)是(shi)結(jie)(jie)晶(jing)(jing)細密(mi)型的(de)(de)(de)(de)(de)(de)則是(shi)質量比(bi)較(jiao)(jiao)優越的(de)(de)(de)(de)(de)(de)。我們首先得考慮(lv)基(ji)板(ban)(ban)(ban)(ban)和(he)腹(fu)膜鍍層(ceng)的(de)(de)(de)(de)(de)(de)厚度(du)(du),比(bi)較(jiao)(jiao)好的(de)(de)(de)(de)(de)(de)彩(cai)(cai)(cai)(cai)(cai)鋼(gang)板(ban)(ban)(ban)(ban)基(ji)板(ban)(ban)(ban)(ban)是(shi)0.02~0.05mm,覆膜或者涂(tu)層(ceng)厚度(du)(du)往(wang)往(wang)只有(you)0.15mm以下(xia)。 觀(guan)察基(ji)板(ban)(ban)(ban)(ban)厚度(du)(du)和(he)覆膜的(de)(de)(de)(de)(de)(de)厚度(du)(du),彩(cai)(cai)(cai)(cai)(cai)鋼(gang)板(ban)(ban)(ban)(ban)是(shi)有(you)基(ji)板(ban)(ban)(ban)(ban)和(he)彩(cai)(cai)(cai)(cai)(cai)色的(de)(de)(de)(de)(de)(de)腹(fu)膜或者鍍層(ceng)構成的(de)(de)(de)(de)(de)(de)。聽(ting)聲(sheng)音(yin)用(yong)手指或用(yong)硬物敲(qiao)擊彩(cai)(cai)(cai)(cai)(cai)鋼(gang)板(ban)(ban)(ban)(ban),彩(cai)(cai)(cai)(cai)(cai)鋼(gang)板(ban)(ban)(ban)(ban)的(de)(de)(de)(de)(de)(de)材(cai)質如(ru)果(guo)較(jiao)(jiao)差,則發出來的(de)(de)(de)(de)(de)(de)聲(sheng)音(yin)是(shi)悶的(de)(de)(de)(de)(de)(de),金(jin)屬(shu)聲(sheng)音(yin)不明顯(xian),材(cai)質較(jiao)(jiao)好的(de)(de)(de)(de)(de)(de)彩(cai)(cai)(cai)(cai)(cai)鋼(gang)板(ban)(ban)(ban)(ban)金(jin)屬(shu)聲(sheng)音(yin)是(shi)比(bi)較(jiao)(jiao)響(xiang)(xiang)亮、清脆的(de)(de)(de)(de)(de)(de)。觀(guan)察彩(cai)(cai)(cai)(cai)(cai)鋼(gang)板(ban)(ban)(ban)(ban)的(de)(de)(de)(de)(de)(de)外漏邊(bian)緣,拿到一塊彩(cai)(cai)(cai)(cai)(cai)鋼(gang)板(ban)(ban)(ban)(ban),因(yin)為從影響(xiang)(xiang)彩(cai)(cai)(cai)(cai)(cai)鋼(gang)板(ban)(ban)(ban)(ban)的(de)(de)(de)(de)(de)(de)使(shi)用(yong)時(shi)間來看,基(ji)板(ban)(ban)(ban)(ban)的(de)(de)(de)(de)(de)(de)厚度(du)(du)是(shi)很重要的(de)(de)(de)(de)(de)(de)。而有(you)些生產彩(cai)(cai)(cai)(cai)(cai)鋼(gang)板(ban)(ban)(ban)(ban)的(de)(de)(de)(de)(de)(de)廠家往(wang)往(wang)在基(ji)板(ban)(ban)(ban)(ban)及(ji)彩(cai)(cai)(cai)(cai)(cai)鋼(gang)板(ban)(ban)(ban)(ban)涂(tu)層(ceng)或覆膜上做(zuo)手腳,他們降(jiang)低基(ji)板(ban)(ban)(ban)(ban)的(de)(de)(de)(de)(de)(de)厚度(du)(du),但是(shi)增加腹(fu)膜的(de)(de)(de)(de)(de)(de)厚度(du)(du)來降(jiang)低彩(cai)(cai)(cai)(cai)(cai)鋼(gang)板(ban)(ban)(ban)(ban)的(de)(de)(de)(de)(de)(de)生產成本,這就大(da)大(da)降(jiang)低了彩(cai)(cai)(cai)(cai)(cai)鋼(gang)板(ban)(ban)(ban)(ban)的(de)(de)(de)(de)(de)(de)使(shi)用(yong)壽命了。
長春彩鋼卷廠家,經營多個項(xiang)目,價格優惠,品質保證(zheng),歡迎(ying)來電。