Supplier of 4,4'-Sulfonyldiphthalic Dianhydride (CAS 2540-99-0) for High-Performance Polymers

Discover 4,4'-Sulfonyldiphthalic Dianhydride (DSDA), a key monomer manufactured in China, crucial for high-performance polyimide synthesis. We are a reliable supplier offering competitive pricing and guaranteed quality.

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Why Choose Our DSDA?

Unmatched Purity and Quality

We guarantee a purity of 98% min for our 4,4'-Sulfonyldiphthalic Dianhydride, ensuring reliable performance in your sensitive formulations and advanced material synthesis. As a trusted supplier, we meet stringent quality controls.

Competitive Manufacturer Pricing

Benefit from factory-direct pricing for DSDA. We are committed to providing cost-effective solutions for businesses seeking to buy high-performance polymer precursors in bulk.

Reliable Supply Chain from China

Leverage our robust manufacturing capabilities in China for a consistent and dependable supply of 4,4'-Sulfonyldiphthalic Dianhydride, crucial for maintaining your production schedules.

Key Application Areas for DSDA

Polyimide Synthesis

Utilize DSDA as a primary monomer for synthesizing high-performance polyimides, valued for their thermal stability and mechanical strength in demanding applications.

Electronics and Microelectronics

DSDA-based polyimides are critical for flexible printed circuits (FPCs), semiconductor packaging, and display technologies, ensuring reliable performance in electronic components.

Aerospace and Defense

Incorporate DSDA into advanced composites and insulation materials for aerospace applications, benefiting from lightweight, high-strength, and flame-retardant properties.

Membrane and Separation Technologies

Employ DSDA-derived polyimides in gas separation membranes for efficient CO₂/CH₄ and O₂/N₂ separations, showcasing excellent permeability and selectivity.