1. The thermal conductivity of rigid directly buried insulating pipe is not so high, and its thermal performance is stable. When the dusk holding capacity of rigid directly buried insulating pipe is 35-40kg/m3, the thermal conductivity is only 0.018g-0.023w/(m.k), which is about half of the EPS, and is the lowest in all the current thermal insulation data.

2、硬質(zhì)直埋保溫管具有防潮、防水性能。硬質(zhì)直埋保溫管的閉孔率在90％以上，屬于憎水性資料，不會(huì)因吸潮增大導(dǎo)熱系數(shù)，墻面也不會(huì)滲水。

2. Hard directly buried insulating pipe has moisture-proof and waterproof properties. Hard directly buried insulating pipe has a closed porosity of more than 90%, which is hydrophobic material. It will not increase the thermal conductivity due to moisture absorption, and the wall will not seep.

3、硬質(zhì)直埋保溫管防火，阻燃，耐高溫的優(yōu)勢(shì)特性顯露無(wú)疑。直埋保溫管在添加阻燃劑后，更是成為一種難燃的自熄性資料，它的軟化點(diǎn)雖然相關(guān)技術(shù)測(cè)算可以高達(dá)250攝氏度以上，僅在較高溫度時(shí)才會(huì)呈現(xiàn)合成：另外，直埋保溫管在熄滅時(shí)會(huì)在其泡沫外表構(gòu)成灰，這層灰有助隔離下面的泡沫。能有效地避免火災(zāi)蔓延。而且，直埋保溫管在高溫下也不產(chǎn)生有害氣體。

3. Hard directly buried insulating pipe has the advantages of fire-proof, flame-retardant and high temperature resistance. Directly buried thermal insulation pipes, after adding flame retardants, become a kind of inflammable self extinguishing data. Although softening points can be up to 250 degrees Celsius, the softening points can be synthesized only at higher temperatures. In addition, directly buried thermal insulation pipes will form ash on the foam surface when they are extinguished, which will help isolate the foam below. It can effectively avoid the spread of fire. Moreover, direct buried insulating pipes do not produce harmful gases at high temperatures.

4、由于直埋保溫管板材具有優(yōu)良的隔熱性能，在到達(dá)同樣保溫請(qǐng)求下，可使減少建筑物外圍護(hù)構(gòu)造厚度，從而增加室內(nèi)運(yùn)用面積。

4. Because of the excellent thermal insulation performance of the directly buried heat preservation tube sheet, the thickness of the building envelope can be reduced and the indoor application area can be increased when the same heat preservation request is reached.

5、抗變形才能強(qiáng)，開(kāi)裂的不良現(xiàn)象不容易呈現(xiàn)，飾面的終效果十分優(yōu)良。

5. The anti-deformation ability is strong, the bad phenomenon of cracking is not easy to appear, and the final effect of finishing is excellent.

6、直埋保溫管資料孔隙率的構(gòu)造性能穩(wěn)定，由于它根本上采用的是閉孔構(gòu)造，這樣一來(lái)保溫性能變得非常好，而且抗凍融、吸聲性效果非普通。硬泡直埋保溫管保溫結(jié)構(gòu)的均勻運(yùn)用年限，假如沒(méi)有什么不測(cè)狀況發(fā)作能夠到達(dá)30年以上。可以做到在構(gòu)造的壽命期正常運(yùn)用條件下，在枯燥、濕潤(rùn)或電化腐蝕，以及由于昆蟲(chóng)、真菌或藻類生長(zhǎng)或者由于嚙齒動(dòng)物的毀壞等外因影響，都不會(huì)遭到毀壞。

6. The structure of porosity of directly buried insulating pipe data is stable. Because it basically uses closed-hole structure, the thermal insulation performance becomes very good, and the effect of freeze-thaw resistance and sound absorption is not ordinary. The uniform service life of the rigid foam direct-buried insulation pipe insulation structure can reach more than 30 years if there is no unexpected situation. It can be achieved that the structure will not be destroyed under normal operation conditions, such as dry, wet or electrochemical corrosion, growth of insects, fungi or algae or destruction of rodents.

7、綜合性價(jià)比低。固然硬質(zhì)直埋保溫管泡沫材的單價(jià)比其它傳統(tǒng)保溫資料的單價(jià)高，但增加的費(fèi)用將會(huì)由供暖和制冷費(fèi)用的大幅度減少而抵消。

7. Low comprehensive price ratio. Although the unit price of rigid and directly buried insulation pipes is higher than that of other traditional insulation materials, the increased cost will be offset by a substantial reduction in heating and cooling costs.

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