The use of PCE superplasticizer requires comprehensive consideration of factors such as the method of addition, adaptability, construction environment, and safety. During use, we should strictly follow the requirements determined by the product manual or test to ensure the quality of concrete and the construction effect. The following are detailed precautions for use
1. Addition method and proportion
· Addition method. The most common method of using polycarboxylate based superplasticizer is to add it together with the mixing water, usually later than the initial part of the mixing water. The specific addition method needs to be determined by test to compare the plasticizing effect of different addition methods in cement paste, mortar or concrete mixture.
·Dosage control. The dosage of PCE based superplasticizer needs to be strictly controlled to avoid concrete performance problems caused by excessive use. The dosage of PCE water reducer of different brands and models may be different, so it should be used strictly in accordance with the dosage determined by the product manual or test.
2. Adaptability and compatibility
·시멘트 적응성. 시멘트에 대한 폴리카르복실레이트 에테르 고성능가소제의 적응성은 시멘트 유형 및 등급과 같은 요인에 따라 달라질 수 있습니다. 사용하기 전에 적응성 테스트를 수행하여 호환성을 확인해야 합니다.
시멘트를 이용한 감속기.
·복합재료. 필요한 경우 PCE 감수제는 콘크리트 성능을 조정하기 위해 공기 연행제 및 소포제와 같은 다른 혼화제와 혼합해야 할 수도 있습니다. 배합 시에는 혼화제 간의 상용성과 상호 영향에 주의해야 합니다.
3.건축환경 및 조건
·Temperature control. During the production and use of PCE superplasticizer,attention should be paid to temperature control to avoid the influence of high or low temperature environment on the performance of water reducer.
●Storage conditions. The PCE polycarboxylate superplasticizer should be stored in a cool, dry and well-ventilated place,
avoiding direct sunlight and rain. At the same time, it should be kept away from fire and heat sources to prevent fire or
explosion accidents.
4. Other precautions
·Water seepage problem. When using PCE polycarboxylate ether, attention should be paid to observing the water seepage of concrete. If water seepage problem occurs, timely measures should be taken to adjust it, such as adding viscosity enhancer.
·Appearance quality. For concrete projects with high requirements for surface quality, attention should be paid to controlling the dosage of PCE superplasticizer and the use of compound materials to avoid appearance quality problems such as yellow-brown spots.


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2 "에 대한 생각Precautions for the use of polycarboxylic acid ether (PCE)”
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