... and transportation, volume is only 1/30 of the straw stalk, its density is 0.9-1.4g/ ... power, the raw materials like stalk, the sawdust, the peanut shell, the corncob, the straw, each kinds of corps straw, and the moisture should ... -1.4g/cm3Weight1300kg1500kg1800kg2000kgCalorie: 3500-5500 Definition: straw coal refers to corn straw, wheat straw, cotton, straw, husk, groundnut shell, corncob, branches ...