硬質(zhì)泡沫性能比較(編輯修改稿)
2024-09-19 15:49 本頁面
【文章內(nèi)容簡介】 n of PU,EPS,XPS二、噴涂硬泡聚氨酯保溫系統(tǒng)與EPS、XPS保溫系統(tǒng)對比System Performance Comparison of SPU,EPS,XPS三、噴涂硬泡聚氨酯、EPS和XPS保溫系統(tǒng)工程造價對比Price Comparison of SPU,EPS,XPS一、聚氨酯與EPS、XPS材料性能對比Material Performance Comparison of PU,EPS,XPS聚氨酯與EPS、XPS物理性能對比Physical Property Comparison of PU,EPS,XPS 材料Material 項目Item聚氨酯PUXPSEPS材料屬性Material Property熱固性Thermal Solid熱塑性Thermal Plastic熱塑性Thermal Plastic密度 Density，kg/m179?！?5≥4018~22導(dǎo)熱系數(shù) ，W/(mK) Thermal Conductivity (TC)≤≤≤壓縮性能(形變10%)，kPaCompressive Strength≥150≥150≥100尺寸穩(wěn)定性(70℃,48h)%Dimension Stability≤≤≤吸水率，%Water Absorption≤≤≤聚氨酯與EPS、XPS耐火性能對比Fire Resistance Comparison of PU,EPS,XPS聚氨酯, PUEPS/XPS材料屬性Material Property熱固性材料Thermal Solid熱塑性材料Thermal Plastic工作溫度Working Temp可長期在50℃~100℃的環(huán)境中使用Used in 50℃~100℃遇70℃以上高溫會產(chǎn)生明顯收縮Shrinking above 70℃明火燃燒實驗fire related behavior炭化，不熔化，不悶燒，無滴落現(xiàn)象Does not meltor produce burning droplets熔融滴落Melt and produce burning dropletsBurn off panel20分鐘，足夠的逃生時間20min, fire does not spread2～3秒，燃燒擴(kuò)散速度快2~3Sec, fire spreads fast所含阻燃劑耐高溫情況Fire Retardant performance無明顯變化No change at high temp高溫時流失Run out at high temp聚氨酯與EPS、XPS耐久性對比Wear performance of PU,EPS,XPS216。 聚氨酯的導(dǎo)熱性能穩(wěn)定，隨時間推移導(dǎo)熱系數(shù)變化極小。 TC of PU remained at after 2 Years, at most216。 EPS的導(dǎo)熱性能衰減非常嚴(yán)重。經(jīng)二年后。 TC of EPS changed from to after 2 years. 二、噴涂硬泡聚氨酯保溫系統(tǒng)與EPS、XPS保溫系統(tǒng)對比System Performance Comparison of SPU,EPS,XPS系統(tǒng)可靠性對比 System Liability 聚氨酯噴涂 PU SprayEPS/XPS粘結(jié)面積Bonding Area滿粘，粘結(jié)面積100％的無空腔結(jié)構(gòu) 100% full bonding40％點粘40% spot bonding凍融老化Freeze thawing and aging表面致密，無毛細(xì)管現(xiàn)象，抗凍融老化Compact surface, resist to freeze thawing and aging板縫和鉚釘孔易滲水，易凍融老化Panel seam and nail hole easy to leak. Freeze thawing and aging與基體粘接Bonding to base與基層無空腔，粘結(jié)強(qiáng)度超過聚氨酯硬泡體本身的撕裂強(qiáng)度 High bonding strength空腔和板塊拼縫，從而產(chǎn)生一定對流傳熱，損失熱能 Have cavum and panel seam transfer heat與基層材料兼容性Compatibility with base material與砌塊、磚石、混凝土墻、木材、金屬等材料強(qiáng)力粘貼Bonding to brick, rock, concrete, wood, metal依賴于界面膠粘劑性能Depending on adhesive 屋面保溫系統(tǒng)性能對比Wall Insulation System比較項目Item噴涂硬泡聚氨酯系統(tǒng)PU Spray system聚苯板+卷材或防水涂料EPS + waterproof導(dǎo)熱系數(shù) Thermal Conductivity, W/(mK) ≤~吸水率, Water Absorption, %≤~施工工藝 Application現(xiàn)場噴涂Spray on site采用粘結(jié)劑，40%點狀粘結(jié)40% spot bonding保溫、防水效果Insulation, Waterproofing無需采用防水卷材，保溫防水一體化Insulation and Waterproofing拼縫處易出現(xiàn)裂縫，易滲漏 Panel seam easy to
電大資料相關(guān)推薦
鄂ICP備17016276號-1