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1041 防水速凝剂

  防水速凝剂可使水泥快速凝结,凝结时间可任意调节,由数十秒至数分钟,由掺加量来加以控制。掺加本品的水泥砂浆或净浆对于砖,混凝土有较强粘结力,可用于墙面,地面堵漏,抗渗等工程中。

使用方法:

1、  堵漏水裂缝及孔洞:
   应配制防水胶泥,凝结时间 40 秒左右,用手压入缝(洞)中,待其凝固后松手即可。
2 、五层防水抹面
   第一层素灰一遍,水泥:水:防水剂为 1:0. 3 ~ 0.35:0.01 ,要先抹素灰一道 1 ㎜厚,用铁抹子压 5 ~ 6 次,随即用素灰找平约 1 ㎜厚,然后用毛刷蘸水,按顺序刷匀,立即做第二层。
   第二层的配合比,水泥:水:砂防水剂为 1 : 0.4 ~ 0.5:2 ~ 2.5:0.01 ,均匀抹一层约厚 5 ㎜,用苕帚扫成条纹,隔 24 小时后,再做第三层。
   第三层素灰压一道厚 2 ㎜,配合比同第一层。
   第四层同第二层,但抹后不扫毛,抹后 3 ~ 4 小时用铁抹子压 2 ~ 3 遍,待吃水后,还有点潮湿,但不粘手,即可做第五遍。
   第五层刷素灰层一道厚 1 ㎜,配合比同第一层,刷时要均匀,吃水后,再用铁抹子压 3 ~ 4 遍。

注意事项:
1 、第一遍基层应事先清理干净,如有凸凹不平,应事先处理,防止起鼓。
2 、每道不得留有明显接缝。

Waterproof Set Accelerator

  The waterproof set accelerator enables concrete to set fast ; the duration for setting is controllable , from scores of seconds to several minutes, which is determined by the quantity of the agent added thereto. The cement mortar or neat cement paste to which the agent has been mixed possesses a rather strong adhesion to bricks, concrete , which can be used for wall surface , floor leakage and water proofing.

Application
1 、 Caulking the leaky cracks & holes
   Waterproof mastic is to be mixed , the setting time of which is about 40 seconds . Use the hand to press the mixture into the crack or hole, aIlow the mixture to set before releasing the hand .

2 、 Five-layer waterproof trowelled surface
   For the first layer of neat cement paste . the ratio of mix of cement . water .& waterproof agent should be 1:0 3 ~ 0.35: 0.01 A 1 mm thick layer of such neat cement paste must be applied first , pressed with a trowel for 5 or 6 times , and then leveled with the paste to a thickness of 1 mm : use a b rush which has been dipped in water to brush the surface until it becomes even ; and then set out to do the second layer at once .
   For the second course . the ratio of cement . water . sand & waterproof agent is to be 1:0. 4 ~ 0.5:2 ~ 2.5:0.01 ; a uniform layer of such an admixture should be applied to a thickness of 5 mm . and broom b rushed into strips ; allow it to set for 24 hours before doing the third layer .
   For the third course , the ratio of mix is the same as that for the first layer and the thickness of neat cement paste is to be 2 mm
   For the fourth course , the ratio of mix is the same as that for the second layer , however , no broom-brushing is to be made , instead , allow it to set for 3 to 4 hours and then use the trowel to press it for 2 or 3 times , wait for the surface to dry up a bit , but is still moist , yet not sticky, before the fifth layer can be started .
   The fifth course is to be finished with a l mm thick layer of neat cement paste , its ratio of mix being the same as that for the first layer ; the application should be even , wait for the area to dry up a bit . and then use the trowel to press it for 3 or 4 times .

Caution
  
1 、 For the base course , the area should be cleaned up , and the uneven spots treated . To avoid swells
   2 、 No apparent joint should be left for each course of application .



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