石膏(gao)基自(zi)流平砂浆
以(yi)磷建(jian)筑石膏为主要胶凝材(cai)料(liao)(liao)、和骨料(liao)(liao)、填(tian)料(liao)(liao)及外加剂组成的(de)在一-定时(shi)间内(nei)具有(you)一 定流动性的(de)磷石膏基室内(nei)地面用自流平材(cai)料(liao)(liao)。
石(shi)膏基自流平的使(shi)用范围:
石(shi)膏基厚层自(zi)(zi)流平的施(shi)工厚度在10-120mm,适用(yong)(yong)于(yu)新建民用(yong)(yong)、工业建筑,采用(yong)(yong)超平快硬石(shi)膏基厚层自(zi)(zi)流平作为找平层的室内楼地(di)(di)(di)面(mian)(mian)工程,适用(yong)(yong)于(yu)新建与民用(yong)(yong)建筑已有(you)室内楼地(di)(di)(di)面(mian)(mian)工程的改造翻新、地(di)(di)(di)暖(nuan)、木地(di)(di)(di)板楼面(mian)(mian)地(di)(di)(di)暖(nuan)工程.可在其(qi)表面(mian)(mian)薄贴各类瓷砖(zhuan)、铺设各类竹、木地(di)(di)(di)板以及各类地(di)(di)(di)毯。
石膏基自流平不适合(he)潮湿(shi)的(de)地下层(ceng)地面(mian)施工、不适合(he)重载工厂地坪(ping).不适合(he)做(zuo)环氧表(biao)层(ceng)的(de)垫层(ceng)坪(ping)。
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(zi)流平砂浆的(de)技术指标(biao)
项目 | 指标 | |
外(wai)观 | 干粉(fen)状(zhuang)物(wu),应均匀、无(wu)结块、无(wu)杂质 | |
30min流动度损失/min | ≤3.0 | |
凝结时(shi)间(h) | 初凝 | ≥1 |
终(zhong)凝 | ≤6 | |
强度(MPa) | 24h抗折(zhe) | ≥2.5 |
24h抗压 | ≥6.0 | |
绝(jue)干抗折 | ≥7.5 | |
绝干(gan)抗压 | ≥20.0 | |
绝干抗(kang)拉粘(zhan)结 | ≥1.0 | |
收缩率/% | ≤0.05 | |
放射性核素限量 | 内照指(zhi)数 | ≤1 |
外照指数(shu) | ≤1 |