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Senpu SPFD - 5 naphthalene series high efficient water reducing agent

EXW Price: 
US $380.00
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From China
US $-.-- / shipping cost needed to be confirmed by seller
US $380.00 (not including shipping cost)

Performance characteristics:

1. Water reducing early strength: with reference concrete slump and the dosage of cement, such as water reducing rate can reach 15-20%, 3 to 7 days can increase 70 ~ 80%, 28 days strength 110% or higher.

2. The anti-freezing effect: is suitable in the winter negative temperature (5 ℃ ~ - 10 ℃) in the environment construction, can reduce the freezing point, improve concrete workability and ammonia content of 0.10% or less.

3. Job performance: can significantly improve the workability of concrete, water retention, and secrete water, improve the workability and avoid construction into layer cold crack phenomenon.

4. Antifreeze performance: has some antifreeze performance, of 2.0-3.0% of the air content of concrete antifreeze level or higher F100.

Method of use:

This product dosage range of 1.5 ~ 2.5% (in gelled material flow meter), according to the change of and the adaptability of cement, temperature and concrete slump requirements, etc., within the scope of the recommended adjustment to determine the best dosage. When using this product, should according to the concrete mixture ratio test and the adaptability of cement in advance.

Scope of application:

This product is suitable for all kinds of early strength antifreeze pumped concrete, mass concrete, high-rise buildings, Bridges and hydraulic concrete, etc.

Key points:

1. According to the proportion right content, when the concrete construction in strict accordance with the specification.

2. When the temperature is below 5 ℃, can use hot water mixed concrete: water temperature higher than 65 ℃, should look and aggregate mixing hot water, add the cement; Temperatures below 10 ℃, the aggregate can be moved into greenhouses or heating measures. Aggregate frozen into pieces when heating, the heating temperature is not higher than 65 ℃, and should avoid burning, with direct steam heating aggregate into water, and deducted from mixing water. In cold region of concrete into the mold temperature is not less than 10 ℃, cold areas shall not be lower than 5 ℃.

3. Every winter construction of concrete, besides the effect of admixture, at the same time must adopt anti-freezing measures such as straw bag, plastic film covering.

Antifreezing admixture of concrete curing, shall meet the following requirements:

1. Under the condition of negative temperature curing, and may not watering, concrete pouring should be covered with plastic film and thermal insulation material immediately after cold region more heat preservation measures should be strengthened.

2. The initial curing temperature is not less than specified temperature.

3. When the concrete temperature to the specified temperature, concrete strength must achieve antifreeze critical strength; When the lowest temperature is not less than 10 ℃, the concrete compressive strength shall not be less than 3.5 Mpa.

4. Open the mold after the concrete is greater than the difference between the surface temperature and environmental temperature 20 ℃, should be used in heat preservation material covered.

AnHui SenPu new material development Co., Ltd.

  • Phone: +86 0564-5223196
  • Business Type:
  • Location: China
  • Main Products: Concrete high efficiency water reducing agent, new type wall material, large span prestressed concrete house panel, municipal engineering water permeable brick
  • Total Employees:Less than 100 people
  • Year Established:2007
  • Export Markets:Domestic Market
  • Total Annual Revenue:


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