PRODUCT - SPECIFICATION SHEET

Chemical Analysis
Parameter Guaranteed Typical(%)
Al2O3 Min 58.0 58 - 59
SiO2 36 - 37
Fe2O3 Max 0.65 0.45 - 0.65
TiO2 0.2 - 0.5
CaO 0.1 - 0.2
MgO 0.05 - 0.1
LOI 0.5 - 0.7
Na2O 0.25 - 0.5
K2O 0.2 - 0.4


Sieve Analysis
Mesh (US) Retention (%) Cumulative Retention (%)
+200# 2% max 2

Note: Sillimanite is a natural product and as such slight variations in the chemical analysis are likely negotiated. Distribution should be expected. Special contracts covering guarantees other than those specified can be


Chemical Analysis
Parameter Guaranteed Typical(%)
Al2O3 Min 57 57 - 58
SiO2 37 - 38
Fe2O3 0.5 - 0.8
TiO2 0.2 - 0.6
CaO 0.1 - 0.2
MgO 0.05 - 0.1
LOI 0.5 - 0.7
Na2O 0.25 - 0.5
K2O 0.2 - 0.4


Sieve Analysis
Mesh (US) Retention (%)
+30# Nil
+40# 0 - 0.5
+60# 2 - 4
+80# 30 - 35
+100# 35 - 40
+140# 22 - 26
+200# 1 - 6
-200# 0 - 1

Note: Sillimanite is a natural product and as such slight variations in the chemical analysis and size distribution should be expected. Special contracts covering guarantees other than those specified can be negotiated. Distribution should be expected. Special contracts covering guarantees other than those specified can be

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