Graco Inc.

Dow Corning® PV-7030R  Two component silicone potting agent

Material Supplier:

Dow Corning Corporation


Solar Photovoltaic


Potting junction boxes used on photovoltaic panels

Material Specs:


Dow Corning® PV-7030R Potting Agent is a two-component silicone-potting agent that provides environmental protection and thermal management. This material is used for the potting of solar module junction boxes.

Typical Properties:

  • Ratio (A:B) by weight: 1:1
  • Viscosity
    • Part A: 2,835 cPs
    • Part B: 2733 cPs
  • Density: 1.2 g/cm3
  • Chemistry: Silicone
  • Color: Black

Graco PR70 Meter, Mix and Dispense System with Graco Control Architecture™


  • Part number: PR70DDBLALDA9A923N1NMFMF4NN2
  • 4.5 in air motor with Hydracheck
  • 480 super standard pistons
  • Remote mounted Advanced Display Module
  • 3/8 in x 15 ft (9.5 mm x 4.5 m) material hoses
  • Remote mounted MD2 valve with 1:1 nose
  • 120VAC North American cord set
  • 60 liter stainless steel off board tanks equipped for vacuum
  • Off board tank stand


  • Vacuum transfer pumps
  • Vacuum transfer connector kits
  • Pail or drum mounted feed pumps with dip tube and agitation
  • Second set of 60 l (16 gal) day tanks

*Exact equipment configuration will vary and depend on factors such as rate of output, length and size of hoses, bead size desired, and container sizes.

All written and visual data are based on the latest product information available. Graco reserves the right to make changes at any time without notice. All other brand names or marks are used for identification purposes and are trademarks of their respective owners. 

Precision Dispense

The Graco PR70 is a compact, reliable benchtop fixed and variable ratio meter, mix and dispense system that accurately meters, mixes and dispenses two-component medium to high-viscosity materials for a broad range of applications including bonding, sealing, potting, gasketing, encapsulation and syringe filling. Standard features include electric controls, digital shot entry, gel timer, purge and preventative maintenance counters.

Posi-Ratio by Positive Displacement

The Graco PR70 uses positive displacement pumps to deliver unmatched consistency with ratio accuracy to ± 1% and 2X increase in Mean Time Before Failure (MTBF). Multiple configurations support a wide variety of applications with a ratio range from 1:1 to 24:1 with variable drive and shot sizes from 2 to 70m cc’s. Stainless steel design reduces the chance of a material incompatibility while long-lasting wear parts mean lower cost of ownership. Learn more about the PR70.

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