Plasticizers for concrete: types and principle of action Indonesia

  • Plasticizers for concrete: types and principle of action Indonesia
  • Plasticizers for concrete: types and principle of action Indonesia
  • Plasticizers for concrete: types and principle of action Indonesia
  • What is the best plasticizer for concrete?
  • Polycarboxylates are becoming the most popular and high performance plasticizers for concrete. Combinations may be used to optimize properties. Testing helps determine the best plasticizer type and dosage. New plasticizers are also being developed, such as polyalkylene ether derivatives and biopolymers.
  • What is a plasticizer in concrete?
  • and more resistant to cold. A plasticizer is an additive used in concrete to improve its workability, performance, and durability. Plasticizers are typically added to concrete mixes to make pouring, shaping, and finishing easier. They can also help to increase the strength and reduce the permeability of the hardened concrete.
  • Why do plasticizers have a plasticizing action?
  • Plasticizers have plasticizing action due to the presence of polymer molecules present in it. These molecules when mixed with concrete absorbs on the surface of the cement grains that would create a ionic group that points outwards. This would finally give a negative charge to the cement particles.
  • How much plasticizer should be added to cement?
  • The addition of 1 to 2 percent by weight of plasticizer to cement is typically sufficient. However, caution is advised to prevent issues like concrete separation. Plasticizers contain polymer molecules that, when added to concrete, adhere to the surface of cement grains, forming ionic groups.
  • Why do concrete mixes need plasticizers?
  • Plasticizers hence help to manufacture a concrete mix with high durability with the same water content. Plasticizers have plasticizing action due to the presence of polymer molecules present in it. These molecules when mixed with concrete absorbs on the surface of the cement grains that would create a ionic group that points outwards.
  • What makes a good plasticizer?
  • A good plasticizer makes concrete or mortar flow in a way that is different from how an air-entraining agent does it. But some plasticizers also add air to the material, making it easier to work. A good plasticizer should add 1% to 2% of the air to concrete at most because adding air to concrete makes it less strong.

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