HESS PUMICE PRODUCTS

List of Hess Pumice Grades

The common pumice grades listed in this directory are used in a variety of products and in diverse industrial processes. Small amounts can be purchased in gusset-bottomed zip-seal bags. Larger amounts can be purchased in 20 lb. boxes (w/ poly bag liner), full-size production bags (typically 35 to 50 lbs. each depending on grade) a full pallet of bags, or palleted supersacks.

SHIPPING: Shipping is calculated by the shopping cart software on packages up to 50 lbs., but options vary. PLEASE READ SHIPPING NOTES BELOW BEFORE ORDERING.

HESS PUMICE GRADES AT A GLANCE
(CLICKABLE NAVIGATION)

NOTE: MN denotes Mine Grade. Mine grades are slightly damp and contain some adhered fines.

SHIPPING NOTES:  1 | For weight-quantities over 20 lbs (or multiple 20 lb boxes), shipping cost savings are typically realized by ordering a full-sized production bag.
2 | For large orders (over 3 full-sized production bags), please contact us at fc@hesspumice.com for a freight rate.  
3 | The shopping cart system occasionally glitches on an address and throws up an “order can’t be shipped to your address/location” (or similar) error message. Not true. We ship almost anywhere. Contact us at fc@hesspumice.com.  
4 | The shopping cart system is set up to auto-calculate domestic (U.S.) shipping—for those ordering from elsewhere, please email us at fc@hesspumice.com.
HESS PUMICE GRADES (COMMON)
technical data sheet  icon designator Technical Data Sheets (TDS) for each grade are available—click on the grade name to view and/or download the PDF. The TDS sheets contain chemical analysis and physical properties data as well as the particle size specification and other info.
HESS PUMICE GRADE: #0
Typically used for: cosmetic body scrub exfoliant grit, glass beveling, tumbling media, gesso and primer-coat texturizing grit.
HESS PUMICE GRADE: #0-1/2
Typically used for: dental compounds and denture finishing, cosmetic exfoliant grit, brass polishing, metal finishing, glass beveling, sand blasting, waterless handsoaps grit (pastes and gels), glass grinding, wood finishing.
HESS PUMICE GRADE: #0-3/4
Typically used for: dental compounds and denture finishing, waterless hand soaps (pastes and gels) and powdered hand soaps.
SHIPPING NOTES:  1 | For weight-quantities over 20 lbs (or multiple 20 lb boxes), shipping cost savings are typically realized by ordering a full-sized production bag.  2 | For large orders (over 3 full-sized production bags), please contact us at fc@hesspumice.com for a freight rate.  3 | The shopping cart system occasionally glitches on an address and throws up an “order can’t be shipped to your address/location” (or similar) error message. Not true. We ship almost anywhere. Contact us at fc@hesspumice.com.  4 | The shopping cart system is set up to auto-calculate domestic (U.S.) shipping—for those ordering from elsewhere, please email us at fc@hesspumice.com.
HESS PUMICE GRADE: #1/2
Typically used for: concrete surfacing additive, cosmetics exfoliant grit, dental compounds and denture finishing, erasers, hand soap grit.
HESS PUMICE GRADE: #1
Typically used for: metal finishing, anti-skid paints and coatings, cosmetics exfoliant grit, sand blasting media.
HESS PUMICE GRADE: #1/0
Typically used for: brass and metal finishing, anti-skid paints and coatings, sand blasting media.
HESS PUMICE GRADE: #1-1/2
Typically used for: cosmetic exfoliant grit, fur treatment.
SHIPPING NOTES:  1 | For weight-quantities over 20 lbs (or multiple 20 lb boxes), shipping cost savings are typically realized by ordering a full-sized production bag.  2 | For large orders (over 3 full-sized production bags), please contact us at fc@hesspumice.com for a freight rate.  3 | The shopping cart system occasionally glitches on an address and throws up an “order can’t be shipped to your address/location” (or similar) error message. Not true. We ship almost anywhere. Contact us at fc@hesspumice.com.  4 | The shopping cart system is set up to auto-calculate domestic (U.S.) shipping—for those ordering from elsewhere, please email us at fc@hesspumice.com.
HESS PUMICE GRADE: #2
Typically used for: concrete surface additive, anti-skid concrete surface, non-skid paint/coatings, cosmetic exfoliant grit, metal finish texturing, fur treatment, gesso and primer-coat texturizing grit.
HESS PUMICE GRADE: #2/0N
Typically used for: cosmetic exfoliant grit.
HESS PUMICE GRADE: #3
Typically used for: anti-skid concrete surfaces, cosmetic exfoliating grit, metal finishing, leather/suede finishing, non-skid surface paint/coatings, sand blasting media, tumbling media.
SHIPPING NOTES:  1 | For weight-quantities over 20 lbs (or multiple 20 lb boxes), shipping cost savings are typically realized by ordering a full-sized production bag.  2 | For large orders (over 3 full-sized production bags), please contact us at fc@hesspumice.com for a freight rate.  3 | The shopping cart system occasionally glitches on an address and throws up an “order can’t be shipped to your address/location” (or similar) error message. Not true. We ship almost anywhere. Contact us at fc@hesspumice.com.  4 | The shopping cart system is set up to auto-calculate domestic (U.S.) shipping—for those ordering from elsewhere, please email us at fc@hesspumice.com.
HESS PUMICE GRADE: 3/0N
Typically used for circuit board polish and prep.
HESS PUMICE GRADE: #4
Typically used for filtration media, abrasive applications, texturizing and non-skid paints/coatings.
HESS PUMICE GRADE: #5
Typically used for: filtration applications, non-skid surface paints/coatings, gesso and primer-coat texturizing grit.
HESS PUMICE GRADE: #7
Typically used for: metal polishing, snow/ice traction aid, filtration media.
SHIPPING NOTES:  1 | For weight-quantities over 20 lbs (or multiple 20 lb boxes), shipping cost savings are typically realized by ordering a full-sized production bag.  2 | For large orders (over 3 full-sized production bags), please contact us at fc@hesspumice.com for a freight rate.  3 | The shopping cart system occasionally glitches on an address and throws up an “order can’t be shipped to your address/location” (or similar) error message. Not true. We ship almost anywhere. Contact us at fc@hesspumice.com.  4 | The shopping cart system is set up to auto-calculate domestic (U.S.) shipping—for those ordering from elsewhere, please email us at fc@hesspumice.com.
HESS PUMICE GRADE: #8/12B
Typically used for: polishing wheels, tumbling media (ie. rock polishing), specialized soils for Bonsai, cacti, and succulents.
HESS PUMICE GRADE: #10
Typically used for: pothole filler, snow/ice traction aid, manufacture of polishing wheels, filtration media.
HESS PUMICE GRADE: 1/8 fines MN
Typically used for: lightweight aggregate for block and decorative crafted stone, lightweight concrete aggregate for statuary and precast products, soil amender and conditioner, lightweight engineered soils, spill absorbent, composting amendment, liquid waste bulking agent.
SHIPPING NOTES:  1 | For weight-quantities over 20 lbs (or multiple 20 lb boxes), shipping cost savings are typically realized by ordering a full-sized production bag.  2 | For large orders (over 3 full-sized production bags), please contact us at fc@hesspumice.com for a freight rate.  3 | The shopping cart system occasionally glitches on an address and throws up an “order can’t be shipped to your address/location” (or similar) error message. Not true. We ship almost anywhere. Contact us at fc@hesspumice.com.  4 | The shopping cart system is set up to auto-calculate domestic (U.S.) shipping—for those ordering from elsewhere, please email us at fc@hesspumice.com.
HESS PUMICE GRADE: 3/8 fines MN
Typically used for: lightweight aggregate for block and crafted stone products, lightweight concrete aggregate, soil conditioner, lightweight engineered soils, spill absorbent, liquid waste bulking agent.
HESS PUMICE GRADE: 3/8 x #8
Typically used for: horticultural applications such as a soilless grow media (hydro and aquaponics grow systems), containerized plants (cacti, succulents, bonsai) and in soilless blends. Aggregate for lightweight concrete blocks and crafted stone veneers.
HESS PUMICE GRADE: 3/8 x #8 MN
Typically used for: horticultural applications such as a soilless grow media (hydro and aquaponics grow systems), containerized plants (cacti, succulents, bonsai) and in engineered soil blends. Moisture and odor control in confined animal spaces. Aggregate for lightweight concrete blocks, crafted stone veneers, and Pumice-Crete®. Contains some fines.
SHIPPING NOTES:  1 | For weight-quantities over 20 lbs (or multiple 20 lb boxes), shipping cost savings are typically realized by ordering a full-sized production bag.  2 | For large orders (over 3 full-sized production bags), please contact us at fc@hesspumice.com for a freight rate.  3 | The shopping cart system occasionally glitches on an address and throws up an “order can’t be shipped to your address/location” (or similar) error message. Not true. We ship almost anywhere. Contact us at fc@hesspumice.com.  4 | The shopping cart system is set up to auto-calculate domestic (U.S.) shipping—for those ordering from elsewhere, please email us at fc@hesspumice.com.
HESS PUMICE GRADE: 3/4 x 5/16
Typically used for: lightweight concrete aggregate, soilless grow media, decorative mulch.
HESS PUMICE GRADE: 3/4 x 5/16MN
Typically used for: lightweight concrete aggregate and lightweight geotechnical fill applications. Mine grade (MN) includes some fines.
HESS PUMICE GRADE: 1 x 3/4
Typically used for air filtration media, soilless grow media base, decorative mulch.
HESS PUMICE GRADE: 1 x 3/4 MN
Typically used for lightweight concrete aggregate and lightweight geotechnical fill applications.
SHIPPING NOTES:  1 | For weight-quantities over 20 lbs (or multiple 20 lb boxes), shipping cost savings are typically realized by ordering a full-sized production bag.  2 | For large orders (over 3 full-sized production bags), please contact us at fc@hesspumice.com for a freight rate.  3 | The shopping cart system occasionally glitches on an address and throws up an “order can’t be shipped to your address/location” (or similar) error message. Not true. We ship almost anywhere. Contact us at fc@hesspumice.com.  4 | The shopping cart system is set up to auto-calculate domestic (U.S.) shipping—for those ordering from elsewhere, please email us at fc@hesspumice.com.
HESS PUMICE GRADE: 5/16 C
Typically used for: soilless grow media, soil amendment, decorative mulch, air filtration media.
HESS PUMICE GRADE: DS325 (POZZ)
Typically used for: concrete pozzolan, fracking sand, extrafine aggregate for concrete statuary and other detailed castings.
HESS PUMICE GRADE: ULTRAPOZZ
An ultrafine pozzolan typically used for high-performance precast concrete products like glass fiber reinforced concrete (GFRC) panels and other architectural accent pieces.
SHIPPING NOTES:  1 | For weight-quantities over 20 lbs (or multiple 20 lb boxes), shipping cost savings are typically realized by ordering a full-sized production bag.  2 | For large orders (over 3 full-sized production bags), please contact us at fc@hesspumice.com for a freight rate.  3 | The shopping cart system occasionally glitches on an address and throws up an “order can’t be shipped to your address/location” (or similar) error message. Not true. We ship almost anywhere. Contact us at fc@hesspumice.com.  4 | The shopping cart system is set up to auto-calculate domestic (U.S.) shipping—for those ordering from elsewhere, please email us at fc@hesspumice.com.
HESS PUMICE GRADE: F
Typically used for: acrylic polishing, dental compounds and denture finishing, exfoliating grit (cosmetic), sand blasting, wood finishing.
HESS PUMICE GRADE: FF
Typically used for: circuit boards/copper-plated panel surface prep and conditioning, cosmetic exfoliant grit, dental compounds, cosmetic pumice stones (formed), hand soap scrub grit, tumbling media.
HESS PUMICE GRADE: FFF
Typically used for: aircraft cockpit finish, circuit board prep, copper plated panel prep, chrome cleanser/polish, cosmetic exfoliant grit, dental compounds, erasers, glass cleaner, hand soaps, tumbling media, wood finishing.
SHIPPING NOTES:  1 | For weight-quantities over 20 lbs (or multiple 20 lb boxes), shipping cost savings are typically realized by ordering a full-sized production bag.  2 | For large orders (over 3 full-sized production bags), please contact us at fc@hesspumice.com for a freight rate.  3 | The shopping cart system occasionally glitches on an address and throws up an “order can’t be shipped to your address/location” (or similar) error message. Not true. We ship almost anywhere. Contact us at fc@hesspumice.com.  4 | The shopping cart system is set up to auto-calculate domestic (U.S.) shipping—for those ordering from elsewhere, please email us at fc@hesspumice.com.
HESS PUMICE GRADE: FFFF
Typically used for: circuit board prep, copper plated panel prep, chrome cleanser, cosmetic exfoliant grit, dental compounds, erasers, glass cleaner, wood finishing.
HESS PUMICE GRADE: NCS-3
NCS-3 = Non-Crystalline Silica, 3 microns. Typically used for: functional filler for industrial coatings, paints, caulks; ultra-reactive pozzolan for glass fiber reinforced cement applications, precast concrete pieces, decorative stone and brick veneer products.
HESS PUMICE GRADE: NCS-5
NCS-5 = Non-Crystalline Silica, 5 microns. Typically used for: functional filler for industrial coatings, paints, caulks; tumbling media for plastics.
SHIPPING NOTES:  1 | For weight-quantities over 20 lbs (or multiple 20 lb boxes), shipping cost savings are typically realized by ordering a full-sized production bag.  2 | For large orders (over 3 full-sized production bags), please contact us at fc@hesspumice.com for a freight rate.  3 | The shopping cart system occasionally glitches on an address and throws up an “order can’t be shipped to your address/location” (or similar) error message. Not true. We ship almost anywhere. Contact us at fc@hesspumice.com.  4 | The shopping cart system is set up to auto-calculate domestic (U.S.) shipping—for those ordering from elsewhere, please email us at fc@hesspumice.com.
HESS PUMICE GRADE: NCS-10
NCS-10 = Non-Crystalline Silica, 10 microns. Typically used for: functional filler for industrial coatings, paints, caulks, rubber compounds. Also glass cleaner scrub, plastics tumbling media, tile manufacturing, cosmetics.
HESS PUMICE GRADE: NCS-12
NCS-12 = Non-Crystalline Silica, 12 microns. Typically used for: functional filler for industrial coatings, paints, caulks, rubber compounds.
SHIPPING NOTES:  1 | For weight-quantities over 20 lbs., savings are typically realized by ordering a full-sized production bag.  2 | For large orders (over 3 full-sized production bags), please contact us at fc@hesspumice.com for a freight rate.  3 | The shopping cart system occasionally glitches and throws up an “order can’t be shipped to your address/location” (or similar) error message. Not true. We ship almost anywhere. Contact us at fc@hesspumice.com.  4 | The shopping cart system is set up to auto-calculate domestic (U.S.) shipping—for those ordering from elsewhere, please email us at fc@hesspumice.com.
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