Description

Strontium Borate is an inorganic compound valued for its flame-retardant and glass-modifying properties. This material is essential for enhancing the thermal stability and fire resistance of polymers and specialty glasses. Key industries that utilize this compound include plastics manufacturing, ceramic production, and the electronics sector for specialized glass formulations.

Application

• Flame Retardant Additive: Used as a synergistic agent in halogen-free flame retardant systems for plastics, wires, and cables.
• Ceramic Glazes & Frits: Imparts specific optical and thermal properties to ceramic coatings and glass matrices.
• Specialty Glass Production: Acts as a flux and modifier to adjust the refractive index and thermal expansion coefficient in optical and sealing glasses.
• Wood Treatment: Employed in formulations for fireproofing lumber and composite wood materials.
• Electronics Encapsulation: Used in potting compounds and encapsulants to provide flame retardancy for electronic components.
• Paint & Coating Additive: Incorporated into intumescent coatings to improve fire resistance on structural surfaces.

Basic Information

Product Name	Strontium Borate
CAS No.	13703-86-1
Molecular Formula	SrB2O4 (commonly represented)
Molecular Weight	177.24 g/mol (for SrB2O4)
Synonyms	Strontium diborate; Diboron strontium tetraoxide; Boric acid (H2B4O7), strontium salt (1:?); Strontium borate (SrB4O7); Strontium tetraborate; Flame retardant SRB
EINECS	237-244-2

Quality Control

Our Strontium Borate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistent purity and performance as a flame retardant. A Certificate of Analysis (COA) detailing assay, impurity levels, and physical specifications is provided with every shipment to guarantee compliance with your technical requirements.

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). This material is hygroscopic (moisture-sensitive); keep the container tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White powder or granules
Identification (IR)	Conforms
Assay (SrB2O4)	≥ 98.0 %
Loss on Drying	≤ 1.0 %
Particle Size (D50)	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm

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