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

Dow DOWSIL 3-6559 Cure Accelerator

Dow DOWSIL 3-6559 Cure Accelerator is a platinum-based catalyst designed to significantly speed up addition-cure silicone reactions. Part of Dow’s high-performance DOWSIL silicones portfolio, it enables rapid, low-temperature curing with excellent shelf stability and minimal byproducts—ideal for precision electronics encapsulation, medical device assembly, and automotive sealing applications requiring consistent, reliable crosslinking.
  • dow dowsil 3 6559 cure accelerator_d8b7dd0f
  • dow dowsil 3 6559 cure accelerator_d8b7dd0f

Features Of Dow DOWSIL 3-6559 Cure Accelerator

  1. Significantly reduces cure time for platinum-catalyzed silicone systems without compromising pot life.

  2. Enables low-temperature curing down to 60 °C, improving energy efficiency and substrate compatibility.

  3. Maintains excellent thermal stability and long-term storage integrity in formulated systems.

  4. Compatible with a broad range of silicone polymers, fillers, and additives used in high-performance elastomers.

  5. Non-volatile and halogen-free, supporting compliance with stringent environmental and safety standards.

Typical Applications Of Dow DOWSIL 3-6559 Cure Accelerator

  1. Automotive gasketing and sealing compounds requiring rapid production cycle times.

  2. Medical-grade liquid silicone rubber (LSR) components for injection molding.

  3. Electronics encapsulation and conformal coatings demanding precise cure control.

  4. Industrial adhesives and sealants where accelerated room-temperature or mild-heat cure is critical.

  5. Consumer appliance gaskets and thermal interface materials requiring consistent crosslink density.

Specifications Of Dow DOWSIL 3-6559 Cure Accelerator

Chemical TypePlatinum-based complex accelerator
Product FormClear, viscous liquid
AppearanceColorless to pale yellow, homogeneous liquid
Primary ApplicationsAccelerator for addition-cure (hydrosilylation) silicone elastomers and adhesives
Key FeaturesFast cure initiation, low-temperature activation, high compatibility
BenefitsImproved throughput, reduced energy consumption, enhanced process control
Storage ConditionsStore at 5–25 °C; protect from moisture and direct sunlight
Shelf Life12 months from date of manufacture when stored properly


Get in Touch with ERICW
Let competitive chemical materials go global.

Your Name *

Your Email *

Your Phone

Country

Your Message *