product specifications:
1. maximum ash content of 2.5%
2. maximum humidity 5.6%
3. volatile gauge 12%
4.refining carbon 80-90%
5. calories 7000-8000 kcal
6. clean white ash color
7. Good accessibility
8. burning time 120 minutes
9. 3x1 meter drop test
10. no smoke, no smell and no chemical ingredients.