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Sand 30 Mesh

$0.71 - $0.71 / lbs $0.63 - $0.71 / lbs

Feldspathic silica sands which can be used in place of grog in clay bodies to add texture and strength.

Priced per pound, in 1 lb. increments.

Bulk Discounts

2 = 0.67

5 = 0.65

10+ = 0.63

Product Price
SKU: RM-Sand-30m Categories: ,

Details

  • material type: Grog
  • use: Additive

Material Overview

Feldspathic silica sands which can be used in place of grog in clay bodies to add texture and strength. Available in a number of screened sizes.

Typical analysis:
SiO2 75.0-84.0%
Al2O3 8.0-12.0%
Fe2O3 0.2-0.6%
Na2O 1.0-4.0%
CaO 1.0-3.0%
MgO 0-0.1%
K2O 3.0-5.0%
Ti2O 0-0.3%
LOI 0.2%

Begins to soften at Cone 7, 2250°F.

US Sieve Series1
16 mesh 20 mesh 30 mesh 40 mesh 50 mesh 60 mesh 70 mesh 80 mesh 100 mesh 140 mesh 200 mesh Pan
Percentage retained
on screen
16 25-50% 28-63% 4-30% 0-10% 0-5%
30 0-1.0% 2-40% 40-80% 20-45% 4-20% 0-2%
60 0-0.2% 0-3% 3-23% 45-60% 14-26% 3-16% 0-7% 0-4%
60-M 0-5% 5-25% 20-45% 10-25% 10-30% 0-5%
1Percentages retained on US sieves are derived from average production figures and do not represent specifications.

Coarser particles tend to fuse and melt out onto the surface of pots in the form of small pearls. Also contributes some black speckling to clay bodies. Mineral and particle size composition is variable. This material has a fractured irregular shape.

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