obsidian

Quantity Order:

Origin:

Indonesia

Payment Method:

L/C

We sell NON-EXPANDABLE OBSIDIAN with specifications as follows:
1. Average expantion ratio (x) : 15.18
2. Standard Deviation (Sigma) : 1.86
3. Rate unexpanding : 3.14%
4. (x) - 3 (small sigma) : 9.59
5. (x) + 3 (small sigma) : 20.77
6. Moisture : 2.21%
7. Size : 10 - 150 mm
8. Heating time : 5 minutes
9. Temperature : 950 C
Only serious buyers are welcome to contact us at the phone numebr provided or via email to alniago@yahoo.com.

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