Instructions for Use of Water Reducer
The price of nickel and stainless steel rose together. Nickel afternoon hand in hand with stainless steel together turn red up. Due to the temporary easing of geopolitical risks, risk assets are now picking up, nonferrous metals, stock markets, and so on have risen, the overall mood has temporarily improved. Ore prices are strong, the overlay of the epidemic on spot logistics or the formation of a certain impact. Phase, nickel and stainless steel materials to maintain high wide concussion pattern.
Nickel prices based on low inventory, tight supply and demand will still show high wide fluctuations. In addition, the current LME has low liquidity, so its sensitivity to capital will remain relatively high. Shanghai nickel-wide fluctuations are expected to continue in the 200,000-250,000 yuan wide repeated fluctuation trend. While stainless steel is affected by the stronger nickel pig iron, the cost support continues, but note that under the current demand is not effectively released, the upward space may also be affected, the stage is expected to fluctuate between 20000 and 22,000 yuan. The price of nickel produced such fluctuations, indicating that the price of the concrete water reducer may also be affected to a certain extent.
Where Can the Water Reducer be Applied?
The concrete water reducer is suitable for the pumping or normal concrete engineering with a strength grade of C15 to C60 or above. It is especially suitable for concrete projects with high durability, high flow state, high slump protection, high strength, and high appearance quality requirements. It is very beneficial to the preparation of high fluidity concrete, self-compacting concrete, and plain-faced concrete.
Ordinary water-reducing agents should be used for daily minimum temperature above 5℃ construction of concrete. High efficient water-reducing agents are suitable for daily minimum temperature above 0℃ construction of concrete, and suitable for the preparation of large fluidity concrete, high strength concrete, and steam curing concrete.
How to Use the Water Reducer?
Polycarboxylate High-performance Water Reducer:
1, The dosage is 0.5%~2.0% of the total weight of the cementitious material, and the commonly used dosage is 0.2% ~ 0.5%. The concrete test should be carried out before use in order to optimize the dosage;
2, It cannot be used with the naphthalene system high-efficient water reducing agent compound, and other admixtures should also be used in advance of concrete compatibility experiment;
3, Water consumption must be strictly controlled when using, because it affects slump.
4, Pay attention to concrete surface maintenance.
Naphthalene Series High-efficient Water Reducer:
1, Dosage range: powder: 0.75%-1.5%; liquid: 1.5 to 2.5%.
2, When using porous aggregate water should first be added and stirred, and then water reducer is added.
3, When the slump is large, the vibration time should not be too long, so that bleeding and stratification could be prevented.
HSB Aliphatic Superplasticizer
1. Find out the best dosage through experiments. The recommended dosage is 1.5-2%;
2, Add HSB and water together into concrete.
3. Due to the high water-reduction rate of HSB, a layer of yellow slurry will be secreted on the surface of the concrete before the initial setting, which is a normal phenomenon. Finished concrete slurry wipe light, the color will be eliminated, or in concrete strength, the color will naturally eliminate, watering and maintenance color will be eliminated faster. It does not affect the inner and surface performance of concrete.
Suppliers of Concrete Additives
The water reducer with stable quality should be selected. There should be good compatibility between water reducing agent and cement and admixture. When a variety of admixtures with different functions are used in combination, there should be good adaptability between admixtures and between admixtures and cement.
TRUNNANO is a reliable concrete additives supplier with over 12-year experience in nano-building energy conservation and nanotechnology development.
If you are looking for high-quality concrete additives, please feel free to contact us and send an inquiry. (firstname.lastname@example.org)
We accept payment via Credit Card, T/T, West Union, and Paypal. Trunnano will ship the goods to customers overseas through FedEx, DHL, by air, or by sea.
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