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找平石膏
找平石膏
找平石膏是以磷建筑石膏作為主要膠凝材料,摻入細(xì)骨料、外加劑等制成的墻體找平材料。該材料具有粘結(jié)強(qiáng)度高、不開裂、不空鼓脫落、施工不流掛、易找平、提角易成形、省時省工,二次修補(bǔ)少等特點(diǎn),無毒無害,屬于綠色環(huán)保材料。
找平石膏主要用于裝修裝飾過程中,對墻面與頂棚采用找平石膏進(jìn)行粗找平處理,石膏找平-般在墻面涂刷界面劑后,批刮膩?zhàn)又笆┕?。特別是針對嵌縫、填補(bǔ)孔洞、陰陽角的修直等效果極好找平磷石膏-般用于5mm以下的墻面找平。
Leveling gypsum is a wall leveling material made of phosphorus building gypsum as the main cementing material, mixed with fine aggregates and additives. The material has the characteristics of high bonding strength, no cracking, no hollowing, no sagging during construction, easy leveling, easy forming by lifting angle, saving time and labor, less secondary repair, etc. It is non-toxic and harmless, and belongs to green environmental protection materials.
Leveling plaster is mainly used in the decoration and decoration process. The wall and ceiling are roughly leveled with leveling plaster. Plaster leveling is generally applied after the wall is painted with interface agent and before the putty is scraped. Especially for caulking, filling holes, straightening of yin and yang angles, etc., it is very effective for leveling phosphogypsum - generally used for leveling walls below 5mm.
找平磷石膏的技術(shù)指標(biāo)
項目 | 指標(biāo) | 檢測結(jié)果 | |
細(xì)度/% | 1.0mm篩網(wǎng)篩余 | ≤0 | 0 |
0.2mm篩網(wǎng)篩余 | ≤40 | 8 | |
凝結(jié)時間(h) | 初凝 | ≥1 | 1.5 |
終凝 | ≤8 | 2 | |
保水率(%) | ≥90 | 96 | |
抗折強(qiáng)度(MPa) | ≥3.0 | 3.5 | |
抗壓強(qiáng)度(MPa) | ≥6.0 | 7.6 | |
拉伸粘接強(qiáng)度(MPa) | ≥0.5 | 0.6 | |
放射性核素限量 | 內(nèi)照指數(shù) | ≤1.0 | 0.4 |
外照指數(shù) | ≤1.0 | 0.2 |
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