Our Products

Potting & Encapsulating Products

Mereco potting and encapsulating compounds are two-component systems of varying viscosities, cure times and property profiles. These compounds are customizable for your specific applications, which include protecting electronic assemblies from moisture, corrosives, shock and vibration, and contaminants.

Two Component Encapsulants

Product Designation Highlight Description Mix Ratio
B to A		 Mixed Viscosity, CPS Working Time at
25°C, 100 Gram		 Cure Schedules Hardness Shore
A or D		 Color MSDS PDB
Mereco XLN-489 Fast Gel, Low Viscosity 100:10 4,000 15 minutes 24 hours at 25°C
16 hours at 65°C		 87D

Any

 Mereco XLN-489 MSDS Mereco XLN-489 PDB
Metacast 401 Series Low Viscosity, General Purpose 100:20 400-2000 20-40 minutes 24 hours at 25°C
2 hours at 65°C		 70-75D Any Metacast 401 Series MSDS Metacast 401 Series PDB
Mereco 4501-130 Crystal Clear, Flexible,
Low Viscosity		 1:1 750 24 hours 78 hours at 25°C
15 minutes at 85°C		 29A Clear* Mereco 4501-130 MSDS Mereco 4501-130 PDB
Mereco 4580 Series Excellent for Small Devices 100:8 5,000-10,500 80-200 minutes 2 hours at 25°C 85D

Any

 Mereco 4580 Series MSDS Mereco 4580 Series PDB
Mereco 5230 Low Viscosity, Low Cost 100:10 6,000 45 minutes 8 hours at 25°C 85D

Clear*

 Mereco 5230 MSDS Mereco 5230 PDB
Mereco 166 FRN Fire Retardant, Thixotropic 100:20 80,000 4 hours 2 hours at 60°C 87D

Black

 Mereco 166 FRN MSDS Mereco 166 FRN PDB
Mereco XLN-540 Room Temperature Cure,
Tough, Flexible		 100:25 2,000 10 hours 16 hours at 25°C
2 hours at 100°C		 79D N/A Mereco XLN-540 MSDS Mereco XLN-540 PDB
Mereco 1650 Series Flexible, Low Viscosity,
Inductance		 1:1 350 to THIXO 4 hours 24 hours at 25°C
2 hours at 65°C		 65A +/-5 Clear
Any		 Mereco 1650 Series MSDS Mereco 1650 Series PDB
Metasil 5021 Silicone Potting/
Encapsulating RTV		 100:10 11,000 1 hour 24 hours at 25°C 45D White Metasil 5021 MSDS Metasil 5021 PDB
Metasil 5022 Silicone, Hi-Temp RTV 100:5 32,000 2 hours 24 hours at 25°C 55A

Red

 Metasil 5022 MSDS Metasil 5022 PDB