Silver Conductive Epoxy (8330)

Silver Conductive Epoxy (8330)


Type Conductive Epoxy
Quality Best
Storage Store in a Cool Place
Shelf Life 1 Year
Purity 99.80%
Form Liquid

We are engaged in supplying Silver Conductive Epoxy (8330). The 8330 Silver Conductive Epoxy is an electronic grade epoxy that combines the moderate curing rate and extreme conductivity with ease of use. It has a convenient 1-to-1 ratio, a workable ten minutes pot life, and a moderate curing rate. It achieves an operational level in five hours at the room temperature. With heat, the 8330 cures in less than 15 minutes and maximizes its conductivity. The cured adhesive bonds very well to most of the substrates used in electronic assemblies. It resists thermal and mechanical shocks and provides a low resistivity needed for many operating conditions. The 8330 epoxy adhesive provides high-conductivity seals, bonds, and repairs of electronic devices.

Features & Benefits

  • Excellent 0.0010 cm electrical resistivity and 1.6W/ (m·K) thermal conductivity
  • Easy 1:1 mix ratio
  • Adheres to most electronic substrates
  • Stores and ships at room temperature no freezing or dry ice required
  • Very long shelf life of at least two years even when stored at room temperature
  • Strong water and chemical resistance to brine, acids, bases, and aliphatic hydrocarbons

Applications :

  • The 8330 epoxy has many uses. It is primarily used as a cold solder: a metal solder replacement for bonding heat-sensitive electronic components.
  • It allows for quick cold soldering repairs and is effective at bonding heat sinks to other components and PCBs.
  • It also provides excellent EMI/RFI shielding and is very effective at filling in seams between metal plates.

Application Instruction : Follow the procedure below for best results. Heat cure is recommended to get the best possible conductivity.


To prepare 1:1 (A:B) epoxy mixture

  • Remove cap or cover.
  • Measure one part by volume of A.
  • Measure one part by volume of B.
  • Thoroughly mix the parts together with a stir stick until homogeneous.
  • Apply to with an appropriate sized stick for the application area.



  • Remember to recap the syringe or container promptly after use.
  • Tip - Due to the high viscosity and abrasiveness of the silver filler, you may preheat part A and part B to increase the flow and improve air release.


To heat cure the 8330 Epoxy :

  • Put in oven at 65oC [149oF] for 20 minutes.
  • You can cure the epoxy faster by using higher temperatures of up to 160oC [302oF], which will provide a faster cure time of 7 min and optimum conductivity values.
  • Tip - Hair dryers are normally rated not to exceed 60oC, so they can generally be used to accelerate the cure.
  • Attention: Keep the curing temperature well below temperature limit of heat sensitive components that may be present. As a guideline, remember that commercial grade devices normally can be safely operated up to 70oC, industrial grade up to 85oC, and military grade up to 175oC.
  • Attention: Heat guns can easily exceed the temperature limits for your assembly: they should not be used. 


To Room Temperature Cure the 8330 Epoxy :

  • Let stand for 24 hours or more.
  • Tip: While the product can be cured at room temperature, the best conductivity is achieved with the application of heat.
  • Storage - Store between 22 and 27oC [72 and 80oF] in dry area away from sunlight. Prolonged storage or storage at or near freezing temperatures can result in crystallization.
  • If crystallization occurs, reconstitute the component to its original state by temporarily warming it to 50 to 60oC [122 to 140oF]. To ensure full homogeneity, stir thoroughly the warm component, reincorporating all settled material. Re-secure container lid and let cool down before use.
  • Health and Safety - The 8330 parts can ignite if the liquid is heated and exposed to flames or sparks.
  • Wear safety glasses or goggles and disposable polyvinyl chloride, neoprene, or nitrile gloves while handling liquids. Part B in particular causes skin burns and may cause sensitization if exposed over a long period of time. The epoxy will not wash off once cured: wear protective work clothing. Wash hands thoroughly after use or if skin contact occurs. Do not ingest.
  • Use in well-ventilated area since vapors may cause irritation of the respiratory tract and cause respiratory sensitization in susceptible individuals.
  • The cured epoxy resin presents no known hazard.
  • Its primary applications are repair and assembly of electronics in microelectronics and optoelectronics. It is used in the automobile, aerospace, marine communication, instrumentation, and industrial control equipment industries.

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