Our products ranges are as below: 1. Expandable graphite Grades: 9950250 9950200 9550250 9550200 9980250 9980200 8550250 etc. Size: 32mesh 50mesh 80mesh 100mesh -100mesh Expansion ratio: 100-300ml/g 2. High purified graphite Brand number: Lc500-99. 9 lc300-99. 9 lc180-99. 9 lc(-)150-99. 9 lc(-)75-99. 9 lc(-)45-99. 9 Fixed carbon: >99. 90% Moisture: <0. 20% 3. Micronized graphite Type: Fs and f Size: The particle size ranges from 1um to 38um 4. Spherical graphite Charge capacity: >360mah/g Discharge capacity: >330mah/g Cycle life: >800 Average size: 13-25(d50. Um) can be adjustable Tap density: >1. 0g/cm3 5. Ultra-low high pure molybdenum, special graphite fror alkali battery, special graphite dust fr battery and expansion graphite Size ranges from 10-44um. Some specifications could be adjusted according to the customers' requirements. If you have any inquiry for any grade and size of the natural graphite, w w w d ot  huadonggraphite  d ot c o m Pls feel free to contact us.