... white, no obvious spot B) Moisture: Less than 6% C) Maximum granule diameter: 0. 154mm 2) GP02: 100% pure A) Yellowish ... , no obvious spot B) Moisture: Less than 6% C) Maximum granule diameter: 0. 154mm 3)GP03: A) Yellow or brown ... B) Moisture: Less than 6% C) Maximum particle diameter: 0. 154mm 4) Packing: Inner packing: 12. 5kg ...