Description

Tobermorite is a calcium silicate hydrate mineral with a unique crystalline structure, serving as a crucial model compound for understanding the chemistry of hardened cement paste. Its significance lies in its ability to impart high strength, durability, and low permeability in advanced inorganic building materials. This product is essential for R&D laboratories, construction material scientists, and manufacturers developing next-generation cementitious binders, autoclaved aerated concrete (AAC), and specialized thermal insulation composites.

Application

• As a reference standard and model compound in cement and concrete research to study hydration mechanisms and long-term performance.
• A key component in the formulation of autoclaved aerated concrete (AAC) blocks and panels, contributing to strength and reduced density.
• Used in the development of low-CO2 cement and alternative binders to improve sustainability in the construction industry.
• Incorporated into fire-resistant and thermal insulation boards and coatings.
• Acts as a pozzolanic material or supplementary cementitious material (SCM) to enhance the properties of blended cements.
• Utilized in waste immobilization and solidification processes for hazardous materials.
• Applied in the synthesis of inorganic ion-exchangers and adsorbents for environmental remediation.
• Serves as a functional filler in specialty polymer composites and sealants to modify mechanical and thermal properties.

Basic Information

Product Name	Tobermorite
CAS No.	1319-31-9
Molecular Formula	Ca5Si6O16(OH)2 • 4H2O (approximate, varies with hydration state)
Molecular Weight	Contact for details
Synonyms	Calcium Silicate Hydrate (CSH) (tobermorite type); 1.4 nm Tobermorite; 11 Å Tobermorite; Plombierite; Tobermorite Gel; C-S-H (I); Calcium Hydrogen Silicate Hydrate; AFm Phase (related)
EINECS	Contact for details

Quality Control

Our Tobermorite is produced and handled under a strict quality management system. Each batch undergoes rigorous testing to ensure consistency in phase purity, crystalline structure, and chemical composition, meeting the exacting requirements of advanced material research and industrial formulation. Certificates of Analysis (COA) detailing key parameters such as X-ray diffraction (XRD) pattern, loss on ignition (LOI), and calcium-to-silicon (C/S) ratio are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Due to its hygroscopic nature, store in a cool, dry place at room temperature (15-25°C/59-77°F) with controlled low humidity. For long-term stability, consider storage under an inert atmosphere or in a desiccator.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (XRD)	Conforms to reference pattern for Tobermorite
Phase Purity (XRD)	≥ 90% (Tobermorite phases)
Loss on Ignition (LOI)	10 - 20 %
Calcium Oxide (CaO) Content	Contact for details
Silicon Dioxide (SiO2) Content	Contact for details
Calcium/Silicon (C/S) Molar Ratio	0.8 - 1.0 (typical)
Particle Size (D50)	< 50 µm (or as specified)
Specific Surface Area (BET)	Contact for details

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