Early strength agent

Early strength agent
Meet GB8076-2008 Standard
Concrete early strength agent refers to the admixture which can improve the early strength of concrete and has no significant influence on the later strength.Its main function is to accelerate cement hydration speed and promote the development of early strength of concrete.
Technical Data
Index Hardening accelerator admixture/Early strength agent
Appearance White powde
Solid Content (%) 95 min
PH Value 6-9
Chloride Content (%) 0.05-0.1
Sodium Sulphate Content (%) 5-10
Total Alkali Content 0.5-1.5
1Day ratio of compressive strength 135 min
3Day ratio of compressive strength 130 min
 
Index Hardening accelerator admixture/Early strength agent
Appearance brown liquid/brown yellow liquid
Solid Content (%) 40 min
Density 1.15-1.22
PH Value 6-9
Chloride Content (%) 0.05-0.1
Sodium Sulphate Content (%) 5-10
Total Alkali Content 0.3-0.8
1Day ratio of compressive strength 135 min
3Day ratio of compressive strength 130 min

 
Rage of application
1. 1. It is suitable for all kinds of concrete works with early strength and antifreeze requirements under the conditions of steam raised concrete and normal temperature, low temperature and negative temperature (the lowest temperature is not less than -5℃).
2. 2. The early strength agent which does not contain organic ammonia can be used for steam curing precast concrete members.
3. 3. The early strength agent which does not contain Chlorine,and can be used in reinforced concrete and prestressed reinforced concrete.
Product specifications
1. This product is non-toxic, non-flammable, non-corrosive and stable in form
2. Low alkali content will not cause alkali - aggregate reaction and will not corrode the reinforcement.
3. It has no significant influence on the setting time;The strength of 1d can be increased by 25%-40%, that of 3D by 20%-40%, that of 7d by 10%-30%, and that of 28d is higher than that of the reference concrete.
Recommended dosage and usage
The general dosage is 2.5%-5%.The mixing ratio and dosage can be determined according to the characteristics of engineering materials, mixing ratio, engineering requirements and local climate characteristics.It can be added to the mixer together with the cementing material and preliminarily mix well, then add water to stir, appropriately extend the mixing time and the effect is better.
 
Package and Storage
Package:Powder package with woven fabric bag with plastic liner, including 25kg/50kg bag.Liquid package with 200kg drum,IBC tank and Flexitank.
Storage:It should be stored in a dedicated warehouse that is well-ventilated and dry.Its shelf life is one year, if after the expiration date, it can continue to use when the testing results fall within the established range.
Transportation:This product is non-toxic and non- explosive. It can be transported by truck, ship and train.

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