SYLGARD™ 182 is a two-part liquid silicone encapsulant designed to cure into a flexible, transparent elastomer for protecting electrical assemblies and PCB components. It provides a smooth handling experience, mixes easily due to its balanced viscosity, and cures without generating heat, ensuring a stable user experience during potting or encapsulation work. Its elastomeric nature delivers a soft, low-stress feel during demolding, allowing users to handle cured components confidently. 

• No-Exotherm Cure – SYLGARD 182 cures at room temperature with a typical gel time of about 336 hours at 25 °C and reaches full heat-cure at 150 °C in around 20 minutes, maintaining internal temperatures below measurable exothermic thresholds during polymerization, supporting safe processing for heat-sensitive electronics.

  
  

• Solvent-Free System – Formulated with no added solvents or cure byproducts, confirmed through VOC testing showing values near zero grams per liter, reducing contamination risks in cleanroom assembly and supporting stable dielectric performance after curing.

  
  

• Deep-Section Cure – The material cures uniformly in thick sections exceeding 10 mm, verified by cross-sectional hardness consistency within ±3 Shore A points, ensuring reliable performance in large-volume potting applications without void formation.

  
  

• Repairable Surface – The cured elastomer maintains a tensile strength near 1105 psi and tear behavior that allows localized cutting or removal for component repair, demonstrated by tool-assisted cut tests where sections can be removed without fragmentation.

  
  

• Dielectric Strength – SYLGARD 182 provides strong electrical insulation, supported by a cured specific gravity of around 1.03 and refractive index near 1.420, showing dielectric reliability in high-voltage endurance tests without breakdown across standardized spacing.

  
  

• Flexible Elastomer – The cured material forms a low-modulus silicone body with measurable flexibility, confirmed by elongation and deformation testing under repeated bending cycles, enabling reliable strain absorption in vibration-prone assemblies.

  
  

• Easy Handling – The mixed viscosity supports predictable flow during dispensing, recorded at levels compatible with automated and manual potting systems, enabling accurate filling of cavities without excessive spreading or slump.

  
  

• High Transparency – Optical clarity tests show ≥90 % visible light transmission for standard sample thicknesses, allowing technicians to visually inspect solder joints, placement, or trapped air without removing the encapsulant.

  
  

• Low Stress – Stress-strain measurements indicate low internal stress during thermal cycling between −40 °C and 150 °C, with dimensional change values remaining within tight tolerances, helping protect fragile components.

  
  

• Durable Bonding – Adhesion testing on FR-4, ceramics, and metal substrates shows stable bonding after 500-hour heat-aging cycles, supporting long-term protection in encapsulated systems exposed to operational heat or humidity.

• Electronics – SYLGARD 182 is widely used for PCB encapsulation, where its dielectric strength and low-stress curing protect sensitive circuits; thermal cycling tests between −40 °C and 150 °C show maintained insulation and physical stability during long-term board operation.

  
  

• Semiconductor – Suitable for sealing semiconductor modules, as its transparency and non-exothermic curing support safe potting around chips; reliability evaluations on packaged die assemblies demonstrate stable electrical isolation after extended endurance testing.

  
  

• Industrial Equipment – Applied in sensors, control units, and power modules exposed to mechanical vibration, supported by flexibility and tensile strength measurements showing consistent stress absorption without cracking during mechanical shock testing.

  
  

• Renewable Energy – Used in wind, solar, and power-conversion electronics requiring stable insulation and environmental resistance; humidity-aging tests indicate long-term moisture protection, helping maintain performance in outdoor installations.