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

Dow DOWSIL EA-4600 HM RTV Black UV

Dow DOWSIL EA-4600 HM RTV Black UV is a high-modulus, UV-resistant silicone adhesive sealant from Dow’s DOWSIL EA series. It cures rapidly at room temperature, delivers excellent adhesion to glass, metal, and plastics, and maintains flexibility under thermal cycling and weathering. Ideal for automotive lighting, solar panel assembly, and outdoor electronics bonding.
  • dow dowsil ea 4600 hm rtv black uv_3dd7bdee
  • dow dowsil ea 4600 hm rtv black uv_3dd7bdee

Features Of Dow DOWSIL EA-4600 HM RTV Black UV

  1. High-modulus, fast-curing RTV silicone elastomer with excellent resistance to UV exposure and weathering.

  2. Black pigmentation provides consistent light absorption and minimizes visible curing shadow effects under UV light.

  3. Low shrinkage and excellent adhesion to common substrates including glass, aluminum, stainless steel, and painted plastics.

  4. Meets UL 94 HB flammability rating for enhanced safety in electronic and industrial enclosures.

  5. RTV (Room Temperature Vulcanizing) cure enables simple, solvent-free processing without heat or pressure requirements.

Typical Applications Of Dow DOWSIL EA-4600 HM RTV Black UV

  1. UV-curable gasketing and sealing in outdoor LED lighting housings.

  2. Encapsulation and bonding of automotive sensors exposed to direct sunlight and thermal cycling.

  3. Edge-sealing of photovoltaic module frames to prevent moisture ingress and UV degradation.

  4. Structural bonding of black-anodized aluminum components in architectural façade systems.

Specifications Of Dow DOWSIL EA-4600 HM RTV Black UV

Chemical TypePlatinum-catalyzed addition-cure silicone elastomer
Product FormPaste, single-component
AppearanceUniform black, non-sag paste
Primary ApplicationsUV-curable sealing, gasketing, and bonding in outdoor electronics and transportation
Key FeaturesUV-triggered cure, high modulus, low shrinkage, excellent adhesion
BenefitsReduced assembly time, no VOCs, long-term stability under solar exposure
Cure MechanismUV light (320–390 nm) initiated, with optional ambient moisture-assisted post-cure
Storage ConditionsStore at 5–25°C in unopened containers; protect from UV light and moisture


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