Oct 22, 2026: We are working on protecting our servers against the PHP2Shell vulnerability recently discovered. Servers were upgraded ahead of schedule on Oct 21. This could cause some issues. Please contact us if you encounter any.
A 50 gram powdered sample of Laguna Barnard Slip substitute has been washed through 200, 150, 100 and 70 mesh screens. The raw powder is black, however that color washes away during screening revealing the base clay that is being conditioned by additions of black iron oxide or manganese dioxide containing materials (if they are seeking a close match to the original chemistry of Barnard).
| Materials |
SG 758
|
![]() PayPal | No tracking, No ads, No paywall, No transient content! Just organized, concise information constantly updated and improved. Was this helpful? Consider supporting me. |
Buy me a coffee and we can talk