Concrete rebound strength repair agent solves the problem of unqualified concrete strength detection

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Z2 concrete hardening agent - strengthening type, also known as concrete strengthening agent, It is a high-tech product developed by our company. On the basis of Z2 universal type, it has added penetration enhancers and multiple effective ingredients, which has stronger penetration ability, can penetrate deeper into the base layer, and has more significant effects. expert door It is used to solve the problems of low surface strength and insufficient rebound strength of poured concrete. The rebound value of treated base course can generally be increased by 5% - 30% (about 2-10 rebound values), and has a certain reduction effect on the degree of high carbonization.

Scope of application:

The strength of poured concrete is low due to curing, mix ratio, use of additives, freezing and other reasons; The rebound strength caused by concrete surface carbonization is low. Including: floor, wall column , bridges, tunnels, etc.

usage method:

one Stir the product before use;

two The concrete surface shall be kept dry. If the concrete surface density is high, it shall be polished;

three 、 Long wool is recommended for construction roller Roll coating: the first layer shall be repeatedly applied until the base layer is no longer penetrated and the surface is completely wet; After 5-6 hours of storage, after the materials are basically dry and absorbed, the second coat shall be applied in the same way as the first coat, and the continuous coating shall be applied until no penetration is found; After another 5-6 hours, the next time, and so on. It is recommended to paint six times, with an interval of 5-6 hours, and each time should be fully painted until it is impermeable.

four 、 The rebound test can be carried out two days after the completion of the next painting, It will basically achieve good results in about 5 days. During this period, do not water or rain.

It should be emphasized that: The strength and hardness of concrete are related to the number of times of material immersion (unit dosage) and the time of material contact reaction. The construction methods for different concrete buildings and different grades of concrete are almost the same, but they are adjusted according to different base conditions, which determine the absorption (unit dosage).