JAMB SPRAY MIXES INCLUDING FUSED SILICA AND METHODS OF UTILIZING THE MIXES
A dry composition formulated to be combined with water to form a jamb spray mix, the dry composition comprising, by weight: 0.1% to 10% phosphate by weight based on total weight of the dry composition; 5% to 15% plasticizer by weight based on total weight of the dry composition; and the balance including fused silica particles and impurities.
1 . A dry composition formulated to be combined with water to form a jamb spray mix, the dry composition comprising, by weight:
0.1% to 10% phosphate by weight based on total weight of the dry composition;
5% to 15% plasticizer by weight based on total weight of the dry composition; and
the balance including fused silica particles and impurities.
2 . The dry composition of claim 1 , wherein the fused silica particles content is 60% to 95% by weight based on total weight of the dry composition.
3 . The dry composition of claim 1 , wherein the fused silica particles content is 70% to 90% by weight based on total weight of the dry composition.
4 . The dry composition of claim 1 , wherein the fused silica particles content is 80% to 90% by weight based on total weight of the dry composition.
5 . The dry composition of claim 1 , wherein the fused silica particles comprise at least two fused silica particle fractions with different particle size distributions.
6 . The dry composition of claim 5 , wherein the fused silica particle fractions include at least two fused silica particle fractions selected from a first fused silica particle fraction sized −30 mesh to +50 mesh, a second fused silica particle fraction sized −50 mesh to +100 mesh, and a third fused silica particle fraction sized −120 mesh.
7 . The dry composition of claim 1 , wherein the fused silica particles include a first fused silica particle fraction sized −30 mesh to +50 mesh, a second fused silica particle fraction sized −50 mesh to +100 mesh, and a third fused silica particle fraction sized −120 mesh.
8 . The dry composition of claim 1 , wherein the composition includes, by weight based on total dry weight of the composition, at least one fused silica particle fraction selected from:
15% to 30% of fused silica particles sized −30 mesh to +50 mesh;
25% to 45% of fused silica particles sized −50 mesh to +100 mesh; and
18% to 35% of fused silica particles sized −120 mesh.
9 . The dry composition of claim 1 , wherein the composition includes, by weight based on total weight of the dry composition, at least one fused silica particle fraction selected from:
18% to 28% of fused silica particles sized −30 mesh to +50 mesh;
28% to 40% of fused silica particles sized −50 mesh to +100 mesh; and
21% to 31% of fused silica particles sized −120 mesh.
10 . The dry composition of claim 1 , wherein the composition includes, by weight based on total weight of the dry composition, at least one fused silica particle fraction selected from:
20% to 25% of fused silica particles sized −30 mesh to +50 mesh;
32% to 38% of fused silica particles sized −50 mesh to +100 mesh; and
24% to 28% of fused silica particles sized −120 mesh.
11 . The dry composition of claim 1 , wherein the phosphate comprises sodium phosphate.
12 . The dry composition of claim 1 , wherein the phosphate content is 2% to 5% by weight based on the total weight of the dry composition.
13 . The dry composition of claim 1 , wherein the plasticizer comprises a refractory clay selected from a ball clay and bentonite.
14 . The dry composition of claim 1 , wherein the composition further comprises boric acid.
15 . The dry composition of claim 1 , wherein the composition further comprises 0.1% to 10% of powdered boric acid by weight based on total weight of the dry composition.