PUMICE STONE Chemical Properties

storage temp. 

Store at room temperature.

form 

granular

color 

Grey

EPA Substance Registry System

Pumice (1332-09-8)

Safety Information

Safety Statements 

24/25

WGK Germany 

-

HS Code 

25131000

MSDS

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PUMICE STONE Usage And Synthesis

Description

Pumice is sponge-like pyroclastic volcanic rock, with a very low density (i.e., below that of  water), and light in color (i.e., white to gray), it may be glassy or dull, and fully riddled with holes. It is used as an abrasive (e.g., pumice stone, lava soap).

Chemical Properties

Grey-brown granular stones

Uses

Concrete aggregate, heat and sound insulation, filtration, finishing glass and plastics, road construc- tion, scouring preparations, paint fillers, absorbents, support for catalysts, dental abrasive, abherent for uncured rubber products, possible substitute for asbestos, polishing agent for pedicures.

Definition

A highly porous igneous rock, usually containing 67–75% Si O2and 10–20% Al 2 O3, with a glassy texture. Potassium, sodium, and calcium are generally present. Insoluble in water, not attacked by acids.

Definition

pumice: A porous volcanic rock thatis light and full of cavities due to expandinggases that were liberatedfrom solution in the lava while it solidified.Pumice is often light enoughto ?oat on water. It is usually acid(siliceous) in composition, and is usedas an abrasive and for polishing.

Application

In addition to its architectural and decorative applications, pumice also has various uses in the personal care and beauty industry. It is often used as an exfoliating agent in soaps, body scrubs, and foot treatments to remove dead skin cells and promote smooth and soft skin. The abrasive properties of pumice make it effective in removing calluses and rough patches on the feet.
Moreover, pumice stone is commonly used in the horticultural industry for the preparation of soil mixes. Its porous nature allows for adequate drainage and aeration, preventing waterlogging and providing a favorable environment for plant growth. Pumice is also frequently added to bonsai soil mixes to enhance the drainage abilities of the soil.
In summary, pumice stone is a versatile material that finds utility in a wide range of applications. Its properties as an abrasive agent, insulator, and lightweight aggregate make it valuable in industries such as construction, personal care, horticulture, and decoration.

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