Description

Pumice Stone is a naturally occurring, highly porous volcanic rock valued for its exceptional abrasive and absorbent properties. This versatile mineral product is crucial for applications requiring a gentle yet effective abrasive action, surface texturing, or high surface area for filtration and absorption. Key industries that rely on this material include construction, personal care, industrial cleaning, and horticulture. Its natural composition and physical characteristics make it a preferred choice for sustainable and efficient processing solutions.

Application

• Abrasive Finishing: Used in stone washing denim, polishing metals, wood, and plastics, and deburring manufactured parts.
• Construction Materials: Incorporated into lightweight concrete blocks, plaster, and stucco to reduce weight and improve insulation.
• Personal Care & Cosmetics: A key ingredient in exfoliating scrubs, foot files, and soaps for gentle skin smoothing.
• Industrial Cleaning: Employed in hand soaps, abrasive cleaners, and as a blasting medium for surface preparation.
• Horticulture & Hydroponics: Serves as an effective growing medium and soil amendment due to its porosity and drainage properties.
• Filtration & Absorption: Used as a filter medium for liquids and gases and as an absorbent for spills.
• Textile Processing: Applied in the stone-washing process to achieve a worn, soft look on fabrics.

Basic Information

Product Name	Pumice Stone
CAS No.	1332-09-8
Molecular Formula	Complex silicate mixture
Molecular Weight	N/A (Natural mineral)
Synonyms	Pumice; Pumice Powder; Volcanic Ash; Pumicite; Abrasive Pumice; Pumice Stone Abrasive; Cosmetic Pumice; Pumice Filter Media; Horticultural Pumice
EINECS	215-577-0

Quality Control

Our Pumice Stone is sourced and processed under strict quality protocols to ensure consistent particle size distribution, hardness, and purity. We offer various grades—including cosmetic, industrial, and horticultural—tailored to specific application requirements. Certificates of Analysis (COA) detailing parameters such as mesh size, density, and chemical composition are available upon request to support your quality assurance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from incompatible strong acids and strong oxidizing agents. Minimize dust generation and accumulation.

Specification

Item	Specification
Appearance	Light gray to white porous solid/powder
Particle Size (Mesh)	Customizable (e.g., 100, 200, 325)
Bulk Density	Contact for details
Hardness (Mohs Scale)	~6
pH (Slurry)	Neutral to slightly alkaline
Loss on Drying	< 1.0%
Silica (SiO2) Content	> 70%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.