Description

Serpentine is a naturally occurring magnesium silicate mineral belonging to the kaolinite-serpentine group, widely recognized for its unique fibrous and platy structures. This versatile industrial mineral is valued for its thermal stability, chemical resistance, and reinforcing properties in composite materials. It serves as a critical raw material in sectors requiring high-temperature insulation, friction control, and reinforcement, including the refractory, automotive, construction, and specialty chemical industries.

Application

• Refractory and Ceramic Materials: Used as a cost-effective filler and reinforcing agent in fire-resistant bricks, castables, and ceramic bodies due to its high thermal stability.
• Friction Products: An essential component in brake linings and clutch facings, where its fibrous nature contributes to durability and consistent frictional performance.
• Reinforcement Fillers: Incorporated into polymer composites, rubber, and plastics to enhance mechanical strength, dimensional stability, and heat resistance.
• Construction Materials: Utilized in asbestos-free cement products, roofing materials, and wallboards for its reinforcing and insulating properties.
• Chemical Carrier and Additive: Acts as an inert carrier for catalysts, pesticides, and other chemical agents in agricultural and industrial formulations.
• Steel and Foundry Industry: Employed as a slag conditioner and insulating material in tundishes and ladles.
• Paint and Coatings: Functions as an extender pigment to improve weather resistance, reduce gloss, and control viscosity.
• Specialty Applications: Investigated for use in carbon capture, wastewater filtration, and as a source of magnesium in various chemical processes.

Basic Information

Product Name	Serpentine
CAS No.	131-07-7
Molecular Formula	Mg3Si2O5(OH)4
Molecular Weight	277.11 g/mol (for ideal formula)
Synonyms	Chrysotile (fibrous variety); Antigorite (platy variety); Lizardite; Bowenite; Williamsite; Mountain Leather; Hydrated Magnesium Silicate; Mineral Silk; Asbestos (Note: Refers to the fibrous chrysotile form, subject to strict regulations)
EINECS	Contact for details

Quality Control

Our Serpentine products are sourced and processed under strict quality protocols to ensure batch-to-batch consistency and performance. Quality is verified through a series of tests including mineralogical identification (XRD), chemical composition analysis (XRF), and critical physical parameters like fiber length distribution, moisture content, and bulk density. We are committed to supplying material that meets relevant industrial specifications, and a Certificate of Analysis (COA) is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials. Keep container sealed when not in use to minimize moisture absorption and contamination. Recommended storage temperature is between 15°C and 25°C.

Specification

Item	Specification
Appearance	White to greenish fibrous or granular powder
Identification (XRD)	Complies (Serpentine group mineral)
Assay (as MgO & SiO2)	≥ 85% (combined)
Loss on Ignition (LOI)	10 - 15%
Moisture Content	≤ 2.0%
Bulk Density	Contact for details
Fiber Length (if applicable)	Tailored to grade
Screen Residue	Tailored to grade

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