Straw Briquetting Machine 1.special design 2.briquette density 3.smooth surface 4.long service life Product Introduction Compression ... block size is 32 × 32 mm in different length range, bulk density of 0.6 to 1.0 grams / cubic centimeter, which ... materials and have a long service life5. Special design, briquette density, smooth surface 6. Easy installation of wearing parts, easy to ...