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Rulon Bearings
Solvay BR® 127 Primer with FM 123-2 Adhesive
Categories: Polymer; Thermoset; Epoxy

Material Notes: BR® 127 corrosion inhibiting primer is a modified epoxy primer. It is a high-performance corrosion inhibiting primer and has been used in many commercial aircraft. BR 127 primer can be used with essentially all 250°F (121°C) film adhesives and has been designed to provide optimal structural performance at temperatures ranging from -67°F to 300°F (-55°C to 149°C). BR 127 primer is formulated to provide maximum environmental resistance and durability within the bond line, as well as prevent corrosive undercutting. It can also be used effectively as a protective coating outside bonded areas. BR 127 corrosion inhibiting primer can be cured prior to bonding. Recommended cure cycles range from 4 hours at 180°F (82°C) to 30 minutes at 250°F (121°C). Articles primed with BR 127 primer and then cured have an indefinite shelf life. Primed details should be wrapped in Kraft paper (as protection from dust and dirt) and stored prior to adhesive bonding. Maintaining controlled conditions of 85°F (29°C) maximum temperature and 65% maximum humidity is recommended for extended storage life. Cure cycles for adhesive films primed with BR 127 primer may vary from 200°F to 350°F (93°C to 177°C) with minimum pressures to assure proper mating of bonded details.

Features & Benefits:

  • Industry-wide standard for corrosion resistant primers
  • Prevents hydrolysis of oxide layers
  • Structural performance from -67°F to 300°F (-55°C to 149°C)
  • Compatible with a wide variety of adhesive systems
  • Improves hydrolytic stability at the adhesive-to-metal interface
  • Protects prepared surfaces from further oxidation
Test Condition: 0.06 psf (300 gsm); Cure Temperature: 1 hour at 250°F (120°C); Service Temperature: 180°F (82°C)

Information provided by Cytec, subsequently acquired by Solvay.

Available Properties
  • Density, BR® 127 Primer
  • Solids Content, sprayable, BR® 127 Primer
  • Volatile Organic Compounds (VOC) Content, BR® 127 Primer
  • Outgassing - Total Mass Loss, BR® 127 Primer
  • Collected Volatile Condensable Material, BR® 127 Primer
  • Storage Temperature, BR® 127 Primer
  • Tensile Strength, MIL-A-25463B, Flat-wise
  • Tensile Strength, MIL-A-25463B, Flat-wise
  • Tensile Strength, MIL-A-25463B, Flat-wise
  • Shear Strength, MMM-A-132A, Wide area lap
  • Shear Strength, MMM-A-132A
  • Shear Strength, MMM-A-132A, Wide area lap
  • Shear Strength, MMM-A-132A
  • Shear Strength, MMM-A-132A, Wide area lap
  • Shear Strength, MMM-A-132A, Wide area lap
  • Shear Strength, MMM-A-132A
  • Shear Strength, MMM-A-132A
  • Peel Strength, ASTM D3167-76, Floating roller
  • Peel Strength, ASTM D3167-76, Floating roller
  • Peel Strength, ASTM D3167-76, Floating roller
  • Maximum Service Temperature, Air, Structural performance, as tested
  • Minimum Service Temperature, Air, Structural performance, BR® 127 Primer
  • Shelf Life, BR® 127 Primer
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Manufacturer Notes:
Solvay, former Rhodia Engineering Plastics

Category Notes

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Ensinger PEI
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