Is it difficult to distinguish between dry mixed mortar and wet mixed mortar? Teach you how to easily choose mortar
Ready-mixed mortar refers to a variety of mortar mixes produced by specialized manufacturers and used in construction projects. It is a new building material developed in recent years in China. According to different production methods, ready-mixed mortar can be divided into dry mixed mortar and wet mixed mortar two categories. So what are the differences between dry mixed mortar and wet mixed mortar?
Dry mixed mortar:
Dry mixed mortar is a dry mixture that evenly mixes dry materials and is supplied in bulk or bag form. It needs to be used after adding water or supporting liquid at the construction site and stirring it evenly. The storage period of dry mixed mortar is longer, usually 3 months or 6 months.
Wet mortar:
Wet mixed mortar is a wet mixed mixture composed of all components including water, which can be used directly on the construction site, but it needs to be used before the mortar sets, and the long storage time is not more than 24 hours.
The difference between dry mortar and wet mortar:
Mortar status and storage time are different:
Wet mixed mortar, the finished product storage time is short, the length is not more than 24h, must be used within the specified time, otherwise it will condense and harden, can not be used, so it requires a large number of manual construction at the same time. At the same time, it is difficult to organize by the construction site, and the project quality is difficult to control. At present, the opening time of wet mixed mortar is mostly designed for 24 hours.
Dry mixed mortar, the finished product storage time is long, can be stored in the reservoir for 6 months, with the use of mixing, flexible use without waste, convenient for all kinds of production environment construction use, to avoid construction safety accidents. Due to the screening of dry sand in the raw materials of dry mixed mortar, the fineness modulus and grading can be adjusted according to the different mortar required for construction, while the sand of wet mixed mortar cannot guarantee reasonable grading requirements, so the construction performance of dry mixed mortar is better than that of wet mixed mortar, the spraying pressure is large, the adhesion is strong, and the bond is firm. There will be no smooth spraying on the wall of wet mixed mortar and the problem of carker. No hollows, cracks, or displacements. In the northern dry areas, dry mixed mortar can better reflect the advantages.
Different production equipment:
Wet mortar, the choice of raw materials is large, the aggregate can be used dry material, can also be used wet material and do not need to dry, so the cost can be reduced. The concrete mixing station is reformed or the wet mortar special station is used to produce wet mixed mortar, and the equipment professionally upgrades the batching accuracy and the addition of trace admixtures. However, due to the influence of wet mortar screening and grading of raw materials, the wet mixed mortar has a single variety, and the plastering and floor mortar in ordinary mortar are the same grading. It is necessary to strengthen the management of construction and material transportation to avoid the waste of materials.
Dry mixed mortar, there are special mixing equipment production:
Dry mixed mortar, there are special mixing equipment production. Because the front-end raw materials of the equipment are dried and efficiently screened, the sand grading is controllable, and the measurement accuracy is accurately controlled by various metering scales, which can meet the needs of customers for high-quality mortar.
Different varieties:
Because wet mixed mortar is produced in the form of wet mix, it is not suitable for the production of mortar with high viscosity, so there are fewer mortar varieties, currently only masonry, plastering, ground and other mortar varieties. Dry mixed mortar produces dry materials, which are not restricted by the production method, so there are many varieties of mortar, but the varieties of raw materials are much more than wet mixed mortar and are much more complex.