text.skipToContent text.skipToNavigation

Loctite 12991Thermally Conductive Adhesive, 300mL Cartridge, Gray

ID: LOC12991 Mfr ID: 12991
Manufactured by: Loctite Electronics
Loctite 383 output is a thermally conductive adhesive system designed for bonding heat generating components to heat sinks. The high thermal conductivity provides excellent heat dissipation for thermally sensitive components, while the controlled strength permits field and service repair. The high strength of Loctite 383 provides structural strength to electronic assemblies.
Special Handling Required



Container Type
Container Size

USD $273.73 / EA

In Stock

 Future Availability 

This item may be sold in units of 1.

Order Form
  • Brand name :  Loctite
  • Series :  LOC-383 Output
  • Item Name :  Thermally Conductive Adhesive
  • Short Desc :  12991 383 OUTPUT ADHESIVE 300ML CART
  • Packaging :  1/Case
  • UNSPSC :  31201600

In high pot applications this product should be limited to a maximum of 500V. Typical applications include bonding transformers, transistors and other heat generating electronic components to printed circuit board assemblies or heat sinks.

Performance Details
Full Cure Time 4 - 24 hr at 20 deg C 
Elongation 7.8% 
Shear Strength 551 psi 
Tensile Strength 2320 psi 
Design & Construction
Form Paste 
Color Gray 
Cure Type Room Temperature 
Environmental Condition
Temperature Rating -40 to 250 deg F 
Electrical Properties
Dielectric Strength 1.5kV/mm 
Chemical Properties
Composition Modified Acrylic 
Specific Gravity 1.5 
VOC 34.9% 
Viscosity 500000 cP 
Physical Properties
Container Size 300mL 
Container Type Cartridge 
Odor/Scent Mild 

Loctite 12991Thermally Conductive Adhesive, 300mL Cartridge, Gray Safety Data Sheet (SDS) 

Features :

Applications :

  • For Non-Shimming Purposes