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Procurable · sourced on request

Dow Sylgard 184

UsedDowCoatingsNetherlands
Procurable

Not in stock, available to order through our sourcing team

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Color
Clear
Viscosity (Mixed)
3500 cP
Hardness
43 Shore A
Specific Gravity (Cured)
1.03
Dielectric Strength
500 V/mil
Availability
Procurable
Lead time
Confirmed with your quote
All 19 specifications
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Specifications 19

Brands
Dow
New/Used
Used
Color
Clear
Viscosity (Mixed)
3500 cP
Hardness
43 Shore A
Specific Gravity (Cured)
1.03
Dielectric Strength
500 V/mil
Volume Resistivity
2.9 x 10¹⁴ Ω·cm
Tensile Strength
980 psi
Thermal Conductivity
0.27 W/m·K
Refractive Index at 589 nm
1.4118
Dissipation Factor at 100 Hz
0.00257
Dielectric Constant at 100 Hz
2.72
Operating Temperature Range
-45°C to 200°C
Cure Time at 25°C
48 hours
Cure Time at 150°C
15 minutes
Mix Ratio
10:1 (Base to Curing Agent)
Availability
Procurable
Lead time
Confirmed with your quote

Product description

Two-part clear silicone elastomer for encapsulating electronics with flexible, transparent, durable insulation.

Sylgard 184 is a two-part, clear silicone elastomer widely utilised for encapsulating and protecting electronic components. When mixed in a 10:1 ratio and cured, this elastomer forms a flexible, transparent layer that shields sensitive electronics from environmental factors, mechanical stress, and electrical interference.

Key features include:

  • Versatile curing options: Cures at room temperature within 48 hours or can be accelerated with heat, offering flexibility in processing.
  • Excellent dielectric properties: Provides reliable electrical insulation, ensuring component safety and performance.
  • High transparency: Allows for easy inspection of encapsulated components without removal.
  • Durable and flexible: Maintains elasticity and mechanical integrity across a broad temperature range, from -55°C to 200°C.

This silicone elastomer is extensively applied in:

  • Electronics: Potting and encapsulating power supplies, connectors, sensors, transformers, and amplifiers.
  • Microfluidics: Fabrication and prototyping of microfluidic chips, benefiting from its biocompatibility and ease of molding.
  • Biomedical devices: Coating medical instruments and creating flexible components due to its biocompatibility.

Commonly used in university laboratories, biomedical research centres, and electronics manufacturing facilities, Sylgard 184 has been a trusted material since its introduction and remains relevant in various scientific and industrial applications today.

Why Questpair exists

Lab equipment markets are fragmented. Buyers spend weeks calling distributors, comparing quotes, and verifying supplier reliability. Sellers struggle to reach global research labs.

We built Questpair to fix this. Every supplier on the platform is verified before listing. Every quote you receive comes from a real, vetted seller. AI prepares your case in minutes, then a real specialist takes over.

We're an independent team based in The Netherlands, working with research labs and procurement teams across Europe and worldwide.

Frequently asked questions

How long does laboratory equipment typically last?

With a service contract, ten to fifteen years is normal for most benchtop instruments. Detectors and pumps are the parts that wear first.

Can I get service for older equipment?

Often, yes. Verified suppliers frequently work with service partners converting the instrument. If applicable, we can list servicing options alongside the offer.

Where can I buy parts?

Ask a scientist through the request button. Parts are often available even when the instrument itself is discontinued.

What is the typical lead time for refurbished equipment?

Two to six weeks, depending on refurbishment scope and whether calibration is included.

Does laboratory equipment ship internationally?

We ship to 38 countries. Crating and customs handling are quoted with the instrument.

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Last updated 21 October 2026