Solvay BR® 127 Corrosion Inhibiting Epoxy Primer

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Solvay BR® 127 Corrosion Inhibiting Epoxy Primer
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 built since its introduction. 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 Information provided by Cytec, subsequently acquired by Solvay.
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Physical Properties	Metric	English	Comments

Density	0.875 g/cc	0.0316 lb/in³
Solids Content	9.0 - 11 %	9.0 - 11 %	sprayable
Volatile Organic Compounds (VOC) Content	792 g/l	792 g/l
Outgassing - Total Mass Loss	0.48 %	0.48 %
Collected Volatile Condensable Material	0.030 %	0.030 %
Storage Temperature	-18.0 °C	-0.400 °F

Mechanical Properties	Metric	English	Comments
Shear Strength	39.2 MPa	5680 psi	Lap, Initial
	30.9 MPa @Time 1.56e+7 sec	4480 psi @Time 4320 hour	Lap
	34.3 MPa @Time 7.78e+6 sec	4970 psi @Time 2160 hour	Lap
	40.6 MPa @Time 2.59e+6 sec	5890 psi @Time 720 hour	Lap

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	150 °C	302 °F	Structural performance
Minimum Service Temperature, Air	-55.0 °C	-67.0 °F	Structural performance

Processing Properties	Metric	English	Comments
Shelf Life	12.0 Month	12.0 Month

Descriptive Properties
Color	Yellow

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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