Concrete mixing plant will give you careful attention

The sand

Henan Daswell Machinery Co., Ltd,is a professional manufacturer and trader specializing in the research, development and production of construction machinery for nearly 30 years. Our main products are as follows:small concrete pump,concrete mixers,We will provide you with the best product and service.

1). according to the standard detection clay content, fineness modulus. Comparison with the previous results, adjusted according to the changes in the ratio. Clay content increases, the increase in water consumption, the amount of cement, or increase the dosage of admixture. Fineness increases, increasing the rate of sand; otherwise reduce the rate of sand.

2). the apparent ways of looking at the state of the sand particles. Whether the larger particles and texture beton mixer, hand camera test particle strength. Many particles of low intensity, should be carefully examined. This sand caution. Stones by standard sieving, crushing value, flakiness test. Graded change, to change the sand rate adjustment. Such as the production of high-grade concrete, to strictly control the indicators.

As a professional concrete mixing plant manufacturer in china concrete pan mixer, leili mining machinery CO.,Ltd has more than 20 years history ,aming at providing high quality crushing equipment for customers. And all your order will be given our propmt and careful attrention.