SJ-b type polycarboxylate superplasticizer
Keyword:
SJ-b type polycarboxylate superplasticizer
Product description
Parameters
This product is a concrete superplasticizer with β-naphthalene sulfonate formaldehyde condensate as the main component. It can greatly reduce the water-cement ratio and improve the early and late strength of concrete. It has good dispersion effect and is a non-air-entraining superplasticizer with good comprehensive performance. It can prepare high-strength concrete, high-impermeability concrete, high-fluid concrete and pre-mixed concrete, and is also suitable for master batch in compounding plants.
1. Main technical performance and characteristics
1. This product is yellow-brown powder.
2. This product has obvious water-reducing effect on fresh concrete, and the water-reducing rate is 15~25%.
3. Under the condition of the same slump and the same strength of concrete, the concrete mixed with water reducing agent can save 10~20% of cement consumption.
4. Incorporating this product can greatly improve the workability of concrete and improve the mechanical properties of concrete.
5. This product has good adaptability to various cements.
6. This product can be used as a master batch and compounded with other additives to formulate various performance additives, which fully meet the requirements of different engineering categories, construction techniques, construction techniques and temperature conditions.
2. Scope of application and method of use
1. It is suitable for preparing steam curing, auto curing reinforced concrete, high-strength concrete, fluid concrete, early-strength concrete, prestressed concrete, commercial concrete, etc.
2. The dosage is 0.5~1.5% of the cement dosage.
3. When using, this product can be mixed with cement, sand, stone and water into the mixer at the same time, and the mixing time can be prolonged by one minute.
3. Packaging and storage
1. Powder products are packed in woven bags lined with plastic film, each bag weighing 40kg. Pay attention to moisture-proof, rain-proof and ventilated storage.
2. Liquid products are packed in iron drums, each weighing 200kg. Sealed storage at positive temperature, valid for one year.
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