Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

XIAMETER OFX-8040A Fluid Diamino Silicone Fluid

XIAMETER OFX-8040A Fluid is a diamino-functional silicone fluid from Dow’s XIAMETER brand, part of the OFX series. It serves as a reactive modifier for coatings, adhesives, and composites—enhancing substrate adhesion, flexibility, and chemical resistance via primary amine groups. Low viscosity and excellent compatibility make it ideal for epoxy, polyurethane, and acrylic systems.
  • xiameter ofx 8040a fluid diamino silicone fluid_9b6b8ce1
  • xiameter ofx 8040a fluid diamino silicone fluid_9b6b8ce1

Features Of XIAMETER OFX-8040A Fluid Diamino Silicone Fluid

  1. Highly reactive diamino-functional silicone backbone enables strong covalent bonding with substrates including polyurethanes, epoxies, and acrylics.

  2. Low viscosity liquid form ensures excellent processability in mixing, coating, and impregnation operations without solvent dilution.

  3. Enhances adhesion, flexibility, and hydrolytic stability in crosslinked polymer systems, especially under humid or elevated-temperature conditions.

  4. Offers superior compatibility with both organic resins and inorganic fillers, minimizing phase separation in formulated systems.

  5. Free of heavy metals and REACH-compliant, supporting sustainable manufacturing and regulatory alignment for global markets.

Typical Applications Of XIAMETER OFX-8040A Fluid Diamino Silicone Fluid

  1. Adhesion promoters in automotive sealants and structural adhesives.

  2. Surface modifiers for glass fiber sizing in composite reinforcements.

  3. Functional additives in high-performance polyurethane coatings for industrial maintenance.

  4. Compatibilizers in silicone-modified epoxy encapsulants for electronics protection.

  5. Reactive intermediates in the synthesis of silicone-acrylate hybrid emulsions for architectural coatings.

Specifications Of XIAMETER OFX-8040A Fluid Diamino Silicone Fluid

Chemical TypeDiamino-functional polydimethylsiloxane (PDMS)
Product FormClear, colorless to pale yellow liquid
AppearanceHomogeneous, low-viscosity fluid
Amino Value1.8–2.2 mmol/g (as NH₂)
Viscosity (25°C)300–500 cP
Density (25°C)0.97–0.99 g/cm³
Refractive Index (25°C)1.405–1.415
Storage StabilityStable for ≥12 months at 5–30°C in sealed containers


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