Solvay BR® 127 Primer with FM 123-2 Adhesive

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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.
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Physical Properties	Metric	English	Comments

Density	0.875 g/cc	0.0316 lb/in³	BR® 127 Primer
Solids Content	9.0 - 11 %	9.0 - 11 %	sprayable, BR® 127 Primer
Volatile Organic Compounds (VOC) Content	792 g/l	792 g/l	BR® 127 Primer
Outgassing - Total Mass Loss	0.48 %	0.48 %	BR® 127 Primer
Collected Volatile Condensable Material	0.030 %	0.030 %	BR® 127 Primer
Storage Temperature	-18.0 °C	-0.400 °F	BR® 127 Primer

Mechanical Properties	Metric	English	Comments
Tensile Strength	2.90 MPa @Temperature 82.0 °C	420 psi @Temperature 180 °F	Flat-wise; MIL-A-25463B
	5.79 MPa @Temperature 24.0 °C	840 psi @Temperature 75.2 °F	Flat-wise; MIL-A-25463B
	8.76 MPa @Temperature -55.0 °C	1270 psi @Temperature -67.0 °F	Flat-wise; MIL-A-25463B
Shear Strength	8.62 MPa @Temperature 120 °C	1250 psi @Temperature 248 °F	Wide area lap; MMM-A-132A
	10.3 MPa @Temperature 120 °C	1490 psi @Temperature 248 °F	MMM-A-132A
	20.5 MPa @Temperature 82.0 °C	2980 psi @Temperature 180 °F	Wide area lap; MMM-A-132A
	23.1 MPa @Temperature 82.0 °C	3350 psi @Temperature 180 °F	MMM-A-132A
	29.2 MPa @Temperature 24.0 °C	4240 psi @Temperature 75.2 °F	Wide area lap; MMM-A-132A
	33.8 MPa @Temperature -55.0 °C	4900 psi @Temperature -67.0 °F	Wide area lap; MMM-A-132A
	38.5 MPa @Temperature 24.0 °C	5580 psi @Temperature 75.2 °F	MMM-A-132A
	39.9 MPa @Temperature -55.0 °C	5790 psi @Temperature -67.0 °F	MMM-A-132A
Peel Strength	9.12 kN/m @Temperature -55.0 °C	52.0 pli @Temperature -67.0 °F	Floating roller; ASTM D3167-76
	10.5 kN/m @Temperature 24.0 °C	60.0 pli @Temperature 75.2 °F	Floating roller; ASTM D3167-76
	12.1 kN/m @Temperature 82.0 °C	69.0 pli @Temperature 180 °F	Floating roller; ASTM D3167-76

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	82.0 °C	180 °F	Structural performance, as tested
Minimum Service Temperature, Air	-55.0 °C	-67.0 °F	Structural performance, BR® 127 Primer

Processing Properties	Metric	English	Comments
Shelf Life	12.0 Month	12.0 Month	BR® 127 Primer

Descriptive Properties
Color	Yellow
Honeycomb Sandwich Peel	48.9 Nm/m		MIL-A-25463B, 82°C
	81.5 Nm/m		MIL-A-25463B, 24°C
	87.5 Nm/m		MIL-A-25463B, -55°C
Metal-to-Metal Climbing Drum Peel	249 Nm/m		ASTM D1781-76, -55°C
	267 Nm/m		ASTM D1781-76, 82°C
	289 Nm/m		ASTM D1781-76, 24°C

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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PCYTED002d / 240080

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