【隔熱板】隔熱板類別 隔熱板材料哪種好
隔熱板類別
木材(cai)(cai)(cai)市場上隔(ge)(ge)熱(re)(re)板(ban)(ban)(ban)(ban)(ban)(ban)(ban)要(yao)分好(hao)幾(ji)種,分別是(shi)(shi)石(shi)(shi)棉(mian)隔(ge)(ge)熱(re)(re)板(ban)(ban)(ban)(ban)(ban)(ban)(ban)、防(fang)火隔(ge)(ge)熱(re)(re)板(ban)(ban)(ban)(ban)(ban)(ban)(ban)、真空隔(ge)(ge)熱(re)(re)板(ban)(ban)(ban)(ban)(ban)(ban)(ban)、擠(ji)塑(su)隔(ge)(ge)熱(re)(re)板(ban)(ban)(ban)(ban)(ban)(ban)(ban)、泡(pao)沫(mo)隔(ge)(ge)熱(re)(re)板(ban)(ban)(ban)(ban)(ban)(ban)(ban)。石(shi)(shi)棉(mian)板(ban)(ban)(ban)(ban)(ban)(ban)(ban)的(de)(de)(de)(de)隔(ge)(ge)熱(re)(re)效果,在很多消(xiao)費(fei)者都有(you)真實的(de)(de)(de)(de)感受,所(suo)以石(shi)(shi)棉(mian)板(ban)(ban)(ban)(ban)(ban)(ban)(ban)所(suo)受到(dao)的(de)(de)(de)(de)歡迎程度非常(chang)高,要(yao)是(shi)(shi)你不(bu)(bu)知道(dao)隔(ge)(ge)熱(re)(re)板(ban)(ban)(ban)(ban)(ban)(ban)(ban)有(you)哪幾(ji)種的(de)(de)(de)(de)話,不(bu)(bu)妨采用石(shi)(shi)棉(mian)隔(ge)(ge)熱(re)(re)板(ban)(ban)(ban)(ban)(ban)(ban)(ban)吧!防(fang)火隔(ge)(ge)熱(re)(re)板(ban)(ban)(ban)(ban)(ban)(ban)(ban),顧名(ming)思義就是(shi)(shi)不(bu)(bu)進可以隔(ge)(ge)熱(re)(re)保(bao)溫(wen),而(er)且還可以防(fang)火。而(er)且這(zhe)也(ye)是(shi)(shi)防(fang)火隔(ge)(ge)熱(re)(re)板(ban)(ban)(ban)(ban)(ban)(ban)(ban)最(zui)大的(de)(de)(de)(de)一個優(you)勢(shi)。 所(suo)謂的(de)(de)(de)(de)真空隔(ge)(ge)熱(re)(re)板(ban)(ban)(ban)(ban)(ban)(ban)(ban),也(ye)就是(shi)(shi)這(zhe)幾(ji)年以來最(zui)新(xin)的(de)(de)(de)(de)一種環保(bao)板(ban)(ban)(ban)(ban)(ban)(ban)(ban)材(cai)(cai)(cai),屬于(yu)真空保(bao)溫(wen)材(cai)(cai)(cai)料(liao)之中的(de)(de)(de)(de)其(qi)一。由填充芯材(cai)(cai)(cai)以及(ji)真空保(bao)護表層,進行復(fu)合而(er)成的(de)(de)(de)(de)一種真空隔(ge)(ge)熱(re)(re)板(ban)(ban)(ban)(ban)(ban)(ban)(ban)。擠(ji)塑(su)板(ban)(ban)(ban)(ban)(ban)(ban)(ban)其(qi)實就是(shi)(shi)以聚苯乙烯樹(shu)脂為主要(yao)的(de)(de)(de)(de)原材(cai)(cai)(cai)料(liao),經過(guo)特(te)(te)殊的(de)(de)(de)(de)加(jia)工技術處理,然后連續擠(ji)出發泡(pao)而(er)成型的(de)(de)(de)(de)一種新(xin)型保(bao)溫(wen)隔(ge)(ge)熱(re)(re)材(cai)(cai)(cai)料(liao)。泡(pao)沫(mo)隔(ge)(ge)熱(re)(re)板(ban)(ban)(ban)(ban)(ban)(ban)(ban)包(bao)括了內外(wai)兩層泡(pao)沫(mo)隔(ge)(ge)熱(re)(re)板(ban)(ban)(ban)(ban)(ban)(ban)(ban),內外(wai)均為硬質板(ban)(ban)(ban)(ban)(ban)(ban)(ban)材(cai)(cai)(cai),內外(wai)相貼合。以上不(bu)(bu)同隔(ge)(ge)熱(re)(re)板(ban)(ban)(ban)(ban)(ban)(ban)(ban)材(cai)(cai)(cai)料(liao)有(you)著不(bu)(bu)同的(de)(de)(de)(de)特(te)(te)點,在選擇的(de)(de)(de)(de)時候還要(yao)謹慎選擇的(de)(de)(de)(de)好(hao)。
隔熱板材料哪種好
隔(ge)(ge)(ge)(ge)(ge)熱(re)(re)板(ban)材(cai)(cai)料(liao)(liao)(liao)(liao)分為多(duo)孔(kong)材(cai)(cai)料(liao)(liao)(liao)(liao)和熱(re)(re)反射(she)材(cai)(cai)料(liao)(liao)(liao)(liao)兩類。前(qian)者利用(yong)(yong)材(cai)(cai)料(liao)(liao)(liao)(liao)本身所(suo)含的(de)(de)(de)孔(kong)隙隔(ge)(ge)(ge)(ge)(ge)熱(re)(re),因為空(kong)隙內的(de)(de)(de)空(kong)氣或惰性(xing)氣體的(de)(de)(de)導熱(re)(re)系數很低,如(ru)(ru)泡沫材(cai)(cai)料(liao)(liao)(liao)(liao)、纖(xian)維材(cai)(cai)料(liao)(liao)(liao)(liao)等;后一種(zhong)(zhong)材(cai)(cai)料(liao)(liao)(liao)(liao)具(ju)有(you)很高的(de)(de)(de)反射(she)系數,能將(jiang)熱(re)(re)量反射(she)出去,如(ru)(ru)金、銀、鎳、鋁(lv)(lv)箔或鍍(du)金屬的(de)(de)(de)聚(ju)酯(zhi)、聚(ju)酰亞胺(an)薄膜等。航空(kong)航天工業對所(suo)用(yong)(yong)隔(ge)(ge)(ge)(ge)(ge)熱(re)(re)材(cai)(cai)料(liao)(liao)(liao)(liao)的(de)(de)(de)重量和體積要(yao)求較為苛刻,往(wang)往(wang)還要(yao)求它兼有(you)隔(ge)(ge)(ge)(ge)(ge)音、減(jian)振、防腐蝕(shi)等性(xing)能。各(ge)種(zhong)(zhong)飛行器對隔(ge)(ge)(ge)(ge)(ge)熱(re)(re)材(cai)(cai)料(liao)(liao)(liao)(liao)的(de)(de)(de)需要(yao)不(bu)盡相同。飛機座艙和駕駛艙內常用(yong)(yong)泡沫塑料(liao)(liao)(liao)(liao)、超細玻璃棉(mian)、高硅氧棉(mian)來隔(ge)(ge)(ge)(ge)(ge)熱(re)(re)。導彈頭部用(yong)(yong)的(de)(de)(de)隔(ge)(ge)(ge)(ge)(ge)熱(re)(re)材(cai)(cai)料(liao)(liao)(liao)(liao)早(zao)期是酚醛泡沫塑料(liao)(liao)(liao)(liao),隨著(zhu)耐溫(wen)性(xing)好的(de)(de)(de)聚(ju)氨酯(zhi)泡沫塑料(liao)(liao)(liao)(liao)的(de)(de)(de)應用(yong)(yong),又將(jiang)單一的(de)(de)(de)隔(ge)(ge)(ge)(ge)(ge)熱(re)(re)材(cai)(cai)料(liao)(liao)(liao)(liao)發(fa)(fa)展(zhan)為夾(jia)層結構。導彈儀器艙的(de)(de)(de)隔(ge)(ge)(ge)(ge)(ge)熱(re)(re)方式是在艙體外蒙皮上涂(tu)一層數毫米(mi)厚的(de)(de)(de)發(fa)(fa)泡涂(tu)料(liao)(liao)(liao)(liao),在常溫(wen)下作為防腐蝕(shi)涂(tu)層,當氣動加熱(re)(re)達到(dao)200°C以上時,便均勻發(fa)(fa)泡而起隔(ge)(ge)(ge)(ge)(ge)熱(re)(re)作用(yong)(yong)。人(ren)造地球衛星是在高溫(wen)、低溫(wen)交變(bian)的(de)(de)(de)環境中運動,須使用(yong)(yong)高反射(she)性(xing)能的(de)(de)(de)多(duo)層隔(ge)(ge)(ge)(ge)(ge)熱(re)(re)材(cai)(cai)料(liao)(liao)(liao)(liao),一般是由幾十層鍍(du)鋁(lv)(lv)薄膜、鍍(du)鋁(lv)(lv)聚(ju)酯(zhi)薄膜、鍍(du)鋁(lv)(lv)聚(ju)酰亞胺(an)薄膜組(zu)成。另外,表(biao)面隔(ge)(ge)(ge)(ge)(ge)熱(re)(re)瓦的(de)(de)(de)研制成功解決了(le)航天飛機的(de)(de)(de)隔(ge)(ge)(ge)(ge)(ge)熱(re)(re)問題,同時也標志(zhi)著(zhu)隔(ge)(ge)(ge)(ge)(ge)熱(re)(re)材(cai)(cai)料(liao)(liao)(liao)(liao)發(fa)(fa)展(zhan)的(de)(de)(de)更(geng)高水平(ping)。