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SYLGARD™ 182 Silicone Elastomer – Two-component silicone elastomer – Casting, molding, and prototyping for electronics and industrial applications

  • Technology: Two-part addition-cure silicone elastomer
  • Brand Name: SYLGARD™ 182 Silicone Elastomer
  • Manufacturer: Dow
  • Package Size: Contact Techniq VN for details.
  • Shelf Life: 24 months

1. Product Overview

SYLGARD™ 182 is a transparent, two-part, heat-cure silicone elastomer with a 10:1 mix ratio by weight or volume. It offers long pot life, deep section curing, and good dielectric properties. The material is flexible, low-stress, repairable, and free of solvents or cure byproducts.

2. Applications

SYLGARD™ 182 is used for general potting and encapsulation in various electrical and industrial applications, including:

  • Power supplies
  • Connectors
  • Sensors
  • Industrial controls
  • Transformers
  • Amplifiers
  • High-voltage resistor packs
  • Relays
  • Solar cell encapsulation
  • Beam lead integrated circuits

3. Typical Properties

Before Mixing (Individual Components)

Property Unit Part A (Base)
Viscosity cP 5,475
Mix Ratio (Base: Curing Agent) 10:1

After Mixing

Property Unit Result
Viscosity (Mixed) cP 4,575
Pot Life (25°C) Hours 8
Cure Time at 25°C Hours 336
Heat Cure Time at 100°C Minutes 75
Heat Cure Time at 125°C Minutes 30
Heat Cure Time at 150°C Minutes 20

Cured Properties

Property Unit Result
Specific Gravity 1.03
Tensile Strength psi 1,105
Elongation % 105
Tensile Modulus psi 1,050
Tear Strength (Die B) ppi 25
Hardness (Shore A) 51
Dielectric Strength Volts/mil 475
Volume Resistivity ohm*cm 1.61E+15
Dielectric Constant (100 Hz / 100 kHz) 2.65
Dissipation Factor (100 Hz / 100 kHz) 0.0005
Refractive Index 1.41
Linear Coefficient of Thermal Expansion (CTE) ppm/°C 325
Thermal Conductivity W/m·K 0.16
UL Flammability Classification 94 V-1
Shelf Life (25°C) Months 24

BERGQUIST microTIM mTIM 1028 Thermal Interface Coating High performance thermal management solution for nickel finished heat sinks, optical transceivers, and data center liquid cooling systems

BERGQUIST microTIM mTIM 1028 is purpose built for riding cage assemblies in servers, switches, and routers, interfacing with electroless nickel plated copper or aluminum heat sinks. It ensures stable operation in high power transceiver modules while also extending applicability to liquid cooling components, heat pipes, and fin based dissipative structures.

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