Pumice

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Lab Pumice

Lab Pumice

An industry standard, Kerr's Lab Pumice is refined from first grade volcanic rock, resulting in the finest light and porous abrasive available. Available in 2.5 and 25 lb packaging, in Coarse, Medium, Medium/Coarse and Fine grits.

MSDS

Pumice - MSDS - US Pumice - MSDS - US (85 KB)

Stone & Plaster Physical Properties

Water per 100 grams
of Powder		 Initial Set (minutes) Setting Expansion Compressive
Strength Dry
Suprastone™ 19 ml 8 - 10 0.15 - 0.30% 15,000 psi
Vel-Mix™ 20 ml 7.5 - 9 0 - 0.15% 14,000 psi
Vel-Mix Classic™ 23 ml 7.5 - 9 0 - 0.15% 12,000 psi
Hydrock™ 30 ml 10 - 12 0 - 0.20% 10,000 psi
Hydrock Rapid Stone™ 30 ml 7 - 9 0 - 0.20% 10,000 psi
Snow White Plaster #1™ 60 ml 10 - 12 0 - 0.30% 2,300 psi
Snow White Plaster #2™ 94 ml 3 - 5 0 - 0.15% 1,000 psi
Laboratory Plaster Regular 45 ml 9 - 13 0 - 0.30% 3,500 psi
Laboratory Plaster Fast 45 ml 3 - 7 0 - 0.30% 3,500 psi
  • Product Code
  • Product Name
  • MSRP
  • Quantity
    • 22260
    • Lab Pumice No 1, Coarse, 25 Lb Pkg
    • $36.95
    • 22259
    • Lab Pumice No 2, Med Coarse, 25 Lb pkg
    • $36.95
    • 22258
    • Lab Pumice No 3 Med, 25 Lb Pkg
    • $36.95
    • 22257
    • Lab Pumice No 4 Fine, 25 Lb Pkg
    • $36.95
    • 25296
    • Lab Pumice, Coarse, No 1, 2.5 Lb
    • $21.95
    • 25298
    • Lab Pumice, Fine No 4, 2.5 Lb
    • $21.95
    • 25297
    • Lab Pumice, Medium Coarse, No 2, 2.5 Lb
    • $21.95
    • 25295
    • Lab Pumice, Medium, No 3, 2.5 Lb
    • $21.95