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石膏基自流平砂漿
石膏基自流平砂漿
以磷建筑石膏為主要膠凝材料、和骨料、填料及外加劑組成的在一-定時間內(nèi)具有一 定流動性的磷石膏基室內(nèi)地面用自流平材料。
石膏基自流平的使用范圍:
石膏基厚層自流平的施工厚度在10-120mm,適用于新建民用、工業(yè)建筑,采用超平快硬石膏基厚層自流平作為找平層的室內(nèi)樓地面工程,適用于新建與民用建筑已有室內(nèi)樓地面工程的改造翻新、地暖、木地板樓面地暖工程.可在其表面薄貼各類瓷磚、鋪設各類竹、木地板以及各類地毯。
石膏基自流平不適合潮濕的地下層地面施工、不適合重載工廠地坪.不適合做環(huán)氧表層的墊層坪。
The utility model relates to a phosphogypsum-based indoor floor self-leveling material with a certain fluidity within a certain period of time, which is composed of phosphogypsum as the main cementing material, and aggregates, fillers and admixtures.
Application scope of gypsum-based self-leveling:
The construction thickness of gypsum-based thick layer self-leveling is 10-120mm. It is suitable for new civil and industrial buildings. The ultra-flat fast anhydrite-based thick self-leveling layer is used as the leveling layer for indoor floor and ground engineering. It is suitable for new and existing civil buildings. Renovation and renovation of indoor floor and floor engineering, floor heating, wood floor floor heating engineering. Various types of ceramic tiles can be thinly pasted on its surface, various types of bamboo, wood floors and various types of carpets can be laid.
Gypsum-based self-leveling is not suitable for wet basement ground construction, and is not suitable for heavy-duty factory floors. It is not suitable for epoxy surface cushioning.

石膏基自流平砂漿的技術(shù)指標
| 項目 | 指標 | |
| 外觀 | 干粉狀物,應均勻、無結(jié)塊、無雜質(zhì) | |
| 30min流動度損失/min | ≤3.0 | |
| 凝結(jié)時間(h) | 初凝 | ≥1 |
| 終凝 | ≤6 | |
| 強度(MPa) | 24h抗折 | ≥2.5 |
| 24h抗壓 | ≥6.0 | |
| 絕干抗折 | ≥7.5 | |
| 絕干抗壓 | ≥20.0 | |
| 絕干抗拉粘結(jié) | ≥1.0 | |
| 收縮率/% | ≤0.05 | |
| 放射性核素限量 | 內(nèi)照指數(shù) | ≤1 |
| 外照指數(shù) | ≤1 | |
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