Pumice stone is also known as light stone or floating rock. It has a low density (0.3 - 0.4) and is a porous, lightweight, glassy acidic volcanic extrusive rock. Its composition is similar to rhyolite. The pumice here is a dense glassy lava with numerous pores formed by the solidification of molten magma during a volcanic eruption, and the volume of the pores accounts for more than 50% of the total volume of the rock.
1.The stone that can float: This is its most obvious characteristic. Its extremely low density makes it an ideal choice for natural lightweight aggregates, which can be used to make lightweight concrete, insulation materials, etc., significantly reducing the weight of buildings.
2.The natural sandblaster: Due to its surface being covered with sharp glass-like edges and having a moderate hardness, pumice is an extremely ideal natural abrasive. It can effectively remove dead skin and calluses without causing damage to the skin or objects like metal abrasives do.
3.Hydrophilic sponge: The numerous internal pores give it strong water absorption and retention capabilities. In gardening, it can be used as a soil conditioner to absorb and slowly release water; in industry, it can also be used as a filtering material or water-absorbing medium.
4.Soundproof and heat-insulating barrier: The porous structure results in a low thermal conductivity and excellent sound absorption performance. It can be processed into building materials such as soundproof boards and insulation bricks.
| Formation Process |
Formed when acidic volcanic lava (such as rhyolite or andesite) erupts and rapidly cools under immense pressure, causing internal gases to expand and escape. Simply put, it is the product of solidified magma foam. |
| Physical Appearance |
It generally appears white, light gray, or pale yellow, with a few specimens turning brown due to impurities. It features a typical vesicular texture, resembling a charred, riddled piece of foam. |
| Hardness and Density |
Mohs hardness is 5.5 - 6, but due to its porosity, the overall texture is loose and brittle. It has an extremely low density, typically 0.3 - 0.5 g/cm³, lighter than water, enabling it to float on the surface. |
| Chemical Composition |
The primary component is silicon dioxide (SiO2), accounting for about 60-75%, along with aluminum oxide, potassium oxide, sodium oxide, and others. |
1.Construction industry: Pumice, due to its porous structure, is often used as a lightweight building material, such as for insulation, soundproofing, and for the production of concrete components.
2.Cement manufacturing: Pumice has high activity and can be used as an active admixture for cement or as a raw material for non-clinker cement.
3.Abrasive: Specific pumice can be made into abrasives, which are used for cleaning optical glass, circuit boards, etc.
4.Polishing agent: Microscopic pumice powder can be used for polishing optical glass, plastic products, etc.
5.Chemical industry: Pumice can be used as a filter, a drying agent, and a filler in industries such as plastics and rubber.
6.Agriculture: Pumice can be used as a carrier for pesticides or fertilizers.
7.Textile industry: Pumice is used to purify wastewater and textiles, improve the quality of textiles, and increase the softness of fibers.
8.Aquarium: Limestone can help increase the oxygen ion content in the water, disinfect and prevent diseases, and also stabilize the water quality.
9.Skin and foot care: Pumice stone can effectively remove the remaining keratin layer on the skin.
Net weight 25KG in brown paper bag or knitting bag outside, plastic bag inside.
Store in a ventilated, dry warehouse. Packaging should be sealed and moisture-proof. Avoid high temperature, and acid, alkali Isolation storage. According to the above storage conditions, the effective storage period of the product is 3 years without unpacking.
Shijiazhuang Yongxin Mining Co., Ltd.Established in 2019 . is a modern chemical enterprise that integrates research and development, production, and sales. The company specializes in producing a wide range of products, including iron oxide, zinc oxide, titanium dioxide, hydroxypropyl methyl cellulose, polyacrylamide, citric acid, mallow glucoside, rubber antioxidants, and others. Guided by scientific innovation, the company continuously implements technological advancements while adhering strictly to a comprehensive quality management system during production processes. Our team comprises highly experienced professionals who are supported by the introduction of cutting-edge international technologies and equipment. Through strategic adjustments to our product structure, we maintain an optimized production process and advanced manufacturing capabilities, enabling us to fulfill customized requirements for diverse customers globally. Our laboratories and workshops comply rigorously with Good Manufacturing Practice (GMP) standards. Our products are exported to Europe, Southeast Asia, North America, and numerous other regions, where we have established long-term, stable business partnerships. Equipped with a large-scale factory and specialized chemical storage facilities, we remain committed to expanding our business scope and delivering high-quality products and services worldwide. We look forward to establishing mutually beneficial cooperation with you.
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FAQ
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A: Free samples is available,but freight charges will be at your account and the charges will be return to you or deduct from your order in the future.
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