Sand, stone, cement inspection group on behalf of a number of raw materials, respectively How many groups are they sent? More
Sand on each side of the sample number for the same batch of 200 square, stone 400 square ... sand to send the number of samples generally have a half snake leather bag is enough, the number of stone to send according to its maximum particle size to set the general (highway Engineering aggregate test procedures, but need to pay attention to the crushing value test to 13.2-9.5 sieve, it is best to sieve enough samples to send) ..... cement bag on behalf of the sample number 200T, bulk 500T , From 20 different parts of the sampling number of not less than 12KG.
Bagged cement 200T batch, bulk cement 500T batch, send the number of laboratory testing can be used, no specific requirements, you carry a half bag to OK. Gravel with the same burden set to cut the amount of irrigation shop junk batch regardless of the number of only once
Sand, stone a group of representatives of up to 400 square meters or 600 tons, a group of about 100kg sample; cement burden set to cut the irrigation tax jar japonica bag on behalf of up to 200 tons, bulk representative of up to 500 tons, a group of 12kg samples.
