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分析室外水泥混凝土地面起砂起灰的原因，不外乎以下几点：
1、原材料不合格：室外水泥混凝土地面施工时，水泥存放时间过长，有的甚至超过了3个月受潮结块；在工地不同水泥混合使用，影响地面强度及耐磨性能；砂粒度过细，含泥量超过5%，这样会增加拌合物的泌水性，影响水泥与骨料的黏结强度，导致施工好的室外水泥混凝土地面起砂起灰。
2、水灰比大：室外地面面层抹完后在表面有一层浮浆，浮浆与颗粒之间结合力差，强度低，有些工人为了赶时间就采取撒干水泥吸水的做法，凝结后的纯水泥浆与下层不黏结，使室外水泥混凝土地面容易脱层起壳。
3、早期受冻：由于地面面积大，在冬季施工如无防冻措施，保养又不当，使室外水泥混凝土地面早期受冻，轻者降低表面砂浆强度发生脱皮、起砂、乏沙，重者连混凝土基层也冻坏。
4、混凝土强度低：混凝土面层所用骨料无级配、含泥量大、北京中兴盛达科技环保有限公司以**的价格、*诚恳的态度、***的技术、*环保的药剂，所以中兴盛达科技环保有限公司是您**的选择！
此方法处理起灰、起沙地面成本较低，但是对原地面外观（颜色和表面形态）没有改变。适用于对地面表观效果要求不高、仅需解决起灰起沙地面硬化、防尘问题的客户购买材料、自行施工。

一、适用地面：
1、起灰、起砂的水泥砂浆地面硬化、防尘处理
2、起灰、起砂的混凝土地面或水泥混凝土路面硬化、防尘处理
3、起灰的水磨石地面硬化、防尘处理
4、起灰的水泥基骨料耐磨地面硬化、防尘处理
5、起灰的水泥基自流平地面硬化、防尘处理

二、施工步骤：单块施工周期一般为1-2天
1、基面要求及预处理：
①保证地面完全干燥，清扫地面砂尘，若表面有油漆、胶水、涂料等附着物，应完全去除。
②已被油脂类物质严重污染的地面不适用于本产品。
2、科地福KD600水泥地面起砂处理剂1号料（**天）：Analysis outdoor concrete floor from gray sand from reason, nothing more than the following:
1, the raw material failure: outdoor concrete floor construction, cement stored for too long, some even more than the three-month moisture caking; cement mix different sites, the impact strength and wear resistance surface; fine sand to spend, clay content exceeds 5%, this will increase the bleeding of mixing things, affect bond strength cement and aggregate, leading to the construction of good outdoor concrete floor from ash from the sand.
2, large water-cement ratio: outdoor ground surface after wiping the surface with a layer of floating pulp, the binding force between particles floating pulp and poor, low intensity, some workers in a hurry to take sprinkle dry cement water practices, after condensation The pure mud and not the underlying bond, the outdoor concrete floor easily delaminated from the shell.
3, early frost: Due to the large surface area, in the winter without freezing measures such as the construction, maintenance and not when, the outdoor concrete floor early frost, the light reduces the occurrence of surface peeling strength of mortar, sand, lack of sand, even in serious cases concrete base also frozen.
4, low strength concrete: Concrete surface layer with no graded aggregate, containing a large quantity of mud, Environmental Science and Technology Co., Ltd. Beijing Zhongxing Shengda at the lowest price, the most sincere attitude, the most professional technology, the most environmentally-friendly agent, so ZTE Shengda Technology Environmental Protection Co., Ltd. is your best choice!
This method for processing from gray, sandy ground from a low cost, but the original ground appearance (color and surface morphology) has not changed. Suitable for less demanding apparent effect on the ground, just settled the gray sand from the ground hardening, customers purchase materials and dust problems, self-construction.

A suitable ground:
      1, from the gray, sand hardened cement mortar floor, dust treatment
      2, from the ashes, sand or concrete floor hardened cement concrete pavement, dust treatment
      3, from the gray terrazzo floor hardening, dust treatment
      4, from the gray cement-based aggregate wear-resistant surface hardening, dust treatment
      5, from the gray cement-based self-leveling floor hardening, dust treatment

Second, the construction step: a single block construction cycle is generally 1-2 days
      1, the base surface requirements and pretreatment:
        ① ensure that the ground is completely dry, sand and dust sweeping the ground, if the surface paint, glue, paint and other attachments, should be completely removed.
        ② oil substances have been polluting the ground is not available for this product.
      2. Branch to Fu KD600 concrete floor from the sand material agent on the 1st (first day):

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