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

Dow Corning 9045 LC Silicone Elastomer Blend

Dow Corning 9045 LC is a liquid silicone elastomer blend from the Dow Corning® SILASTIC® LC Series offering rapid room-temperature cure, excellent biocompatibility, and low viscosity for precision dispensing in medical device encapsulation and soft-touch coatings.
  • dow corning 9045 lc silicone elastomer blend_45a315e1
  • dow corning 9045 lc silicone elastomer blend_45a315e1

Features Of Dow Corning 9045 LC Silicone Elastomer Blend

  1. Low-compression-set silicone elastomer blend offering excellent long-term sealing performance under dynamic and static conditions.

  2. High thermal stability with continuous service capability up to 200 °C and short-term resistance to 250 °C.

  3. Good processability via injection molding, compression molding, and extrusion—compatible with standard silicone processing equipment.

  4. Excellent electrical insulation properties and inherent flame retardancy (UL 94 HB rated).

  5. Outstanding resistance to ozone, UV radiation, and weathering without requiring additional stabilizers.

Typical Applications Of Dow Corning 9045 LC Silicone Elastomer Blend

  1. Automotive under-hood gaskets and vibration-damping mounts.

  2. Industrial fluid-handling seals for pumps, valves, and connectors exposed to hot oils and coolants.

  3. Electrical enclosures and potting components in power distribution systems.

  4. Medical device housings and wearable sensor interfaces requiring biocompatibility support (ISO 10993-tested compatibility available upon request).

  5. Aerospace environmental seals for avionics and cabin systems.

Specifications Of Dow Corning 9045 LC Silicone Elastomer Blend

Chemical TypeHigh-consistency silicone rubber (HCR) blend based on vinyl-terminated polydimethylsiloxane and silica-reinforced crosslinked network
Product FormUncured, pre-compounded gum stock in roll or slab form
AppearanceOpaque off-white to light tan, uniform consistency with no visible particulates
Primary ApplicationsHigh-performance static and dynamic sealing, gasketing, and encapsulation
Key FeaturesLow compression set, high thermal endurance, excellent electrical insulation, good processability
BenefitsExtended service life in demanding environments, reduced maintenance frequency, broad processing flexibility
Curing SystemPt-catalyzed addition cure (peroxide-cure variants available upon request)
Shelf Life12 months from date of manufacture when stored at ≤25 °C in original unopened packaging


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