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

Dow DOWSIL 23N Additive

Dow DOWSIL 23N Additive is a silicone-based rheology modifier from Dow’s DOWSIL portfolio, designed to enhance flow, leveling, and anti-sag performance in coatings, sealants, and adhesives without compromising cure or clarity. It delivers efficient viscosity control and excellent compatibility across diverse formulations.
  • dow dowsil 23n additive_fb935467
  • dow dowsil 23n additive_fb935467

Features Of Dow DOWSIL 23N Additive

  1. Enhances flow and leveling in silicone-based coatings and sealants.

  2. Improves substrate wetting on low-energy surfaces such as polyolefins and fluoropolymers.

  3. Reduces surface tension without compromising pot life or cure performance.

  4. Compatible with both addition-cure (Pt-catalyzed) and condensation-cure silicone systems.

  5. Non-volatile, non-migrating additive offering long-term stability in formulated products.

Typical Applications Of Dow DOWSIL 23N Additive

  1. Automotive interior trim coatings for improved gloss uniformity and defect reduction.

  2. Electronics encapsulants requiring bubble-free dispensing and interfacial adhesion.

  3. Architectural silicone sealants targeting enhanced tooling and joint-filling performance.

  4. Industrial release coatings for high-release-demand composite molding processes.

  5. Medical-grade silicone gels where consistent surface morphology and biocompatibility support are critical.

Specifications Of Dow DOWSIL 23N Additive

Chemical TypeOrganomodified siloxane polymer
Product FormClear, viscous liquid
AppearanceColorless to pale yellow, homogeneous liquid
Primary ApplicationsSurface modifier for RTV and LSR formulations
Key FeaturesLow surface tension, hydrophobic, thermally stable up to 200 °C
BenefitsImproved substrate adhesion, reduced pinholing, enhanced flow control
Storage ConditionsStore in original unopened container at 5–30 °C; protect from moisture
Shelf Life24 months from date of manufacture when stored properly


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