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

Dow SILASTIC RTV-4260-V Silicone Rubber

Dow SILASTIC RTV-4260-V is a platinum-catalyzed, two-part addition-cure liquid silicone rubber offering excellent flow, low viscosity, and rapid room-temperature vulcanization. Ideal for precision molding of medical devices, seals, and gaskets, it delivers high biocompatibility, thermal stability, and consistent mechanical properties after cure.
  • dow silastic rtv 4260 v silicone rubber_249c3192
  • dow silastic rtv 4260 v silicone rubber_249c3192

Features Of Dow SILASTIC RTV-4260-V Silicone Rubber

  1. High tear strength and excellent elongation for durable, flexible cured parts.

  2. Low viscosity before cure enables easy dispensing and excellent flow into intricate molds.

  3. Room-temperature vulcanization (RTV) with platinum-catalyzed addition cure chemistry.

  4. Outstanding thermal stability across –65 °C to 200 °C continuous service range.

  5. UL 94 HB flammability rating and low smoke generation when exposed to flame.

Typical Applications Of Dow SILASTIC RTV-4260-V Silicone Rubber

  1. Medical device encapsulation and biocompatible component overmolding.

  2. Automotive sensors, gaskets, and vibration-damping mounts.

  3. Consumer electronics sealing and protective potting for PCBs and connectors.

  4. Industrial fluid handling components requiring chemical resistance and flexibility.

  5. Aerospace lighting seals and environmental barrier coatings.

Specifications Of Dow SILASTIC RTV-4260-V Silicone Rubber

Chemical TypePlatinum-catalyzed addition-cure silicone rubber
Product FormTwo-component liquid (Part A + Part B)
Appearance (Uncured)Translucent, low-viscosity liquid
Primary ApplicationsEncapsulation, sealing, potting, and soft molding
Key FeaturesRTV at room temperature, low shrinkage, minimal by-products
BenefitsExcellent adhesion to plastics, metals, and glass without primer
Cure SystemAddition cure (no condensation by-products)
Shelf Life (Unopened)12 months at 25 °C in original sealed packaging


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