Solvay BR® 623P4 Potting Compound

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Solvay BR® 623P4 Potting Compound
Categories:	Polymer; Thermoset; Epoxy
Material Notes:	Description: BR® 623P4 is a one-part epoxy material designed for use in insert or edge filling of honeycomb structures. It has been formulated to offer the benefit of low viscosity, making it especially suitable for hand filling of small cell size [1/8 inch (3.175 mm)] and deep section [> 1 inch (> 25.4 mm)] honeycomb core and for applications with automated pumping or dispensing equipment. The long working out-life of BR 623P4 at room temperature eliminates the need for cleaning out pumping equipment pipe work with solvent materials. The low cured density (0.70 g/cm2) and high mechanical performance of BR 623P4 allows for excellent specific properties in honeycomb structures. The thixotropic nature of BR 623P4 ensures that there is no slump of the potting compound when used for edge filling of honey comb panels. Features & Benefits: Low odor No slump during cure -67°F to 230°F (-55°C to 110°C) service temperature Specific gravity of 0.70 ± 0.05 Co-curable with most 250°F to 350°F (121°C to 177°C) advanced composite materials Flammability: Self-extinguishing Smoke density: passes JAR/FAR 25.853 part V Resistant to aerospace fluids and solvents Suggested Applications: Insert or edge filling of honeycomb structures Information provided by Cytec, subsequently acquired by Solvay.
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Physical Properties	Original Value	Comments

Volatiles	<= 1.0 %
Storage Temperature	<= -18.0 °C

Mechanical Properties	Original Value	Comments
Compressive Strength	49.0 MPa	Block, 70°C/70% RH
	52.0 MPa	Block, Distilled water at 23°C
	52.0 MPa	Block, Jet fuel3 at 23°C
	54.0 MPa	Block, Hydraulic fluid2 at 23°C
	57.0 MPa	Block, Dry heat at 80°C
	42.0 MPa @Temperature 80.0 °C	Block
	53.0 MPa @Temperature 23.0 °C	Block
	66.0 MPa @Temperature -55.0 °C	Block
Compressive Modulus	2600 MPa @Temperature 80.0 °C	Block
	3200 MPa @Temperature 23.0 °C	Block
	3300 MPa @Temperature -55.0 °C	Block
Shear Strength	2700 psi @Temperature 80.0 °C	Block
	3300 psi @Temperature -55.0 °C	Block
	3800 psi @Temperature 23.0 °C	Block

Thermal Properties	Original Value	Comments
Maximum Service Temperature, Air	110 °C
Minimum Service Temperature, Air	-55.0 °C

Processing Properties	Original Value	Comments
Shelf Life	12.0 Month

Descriptive Properties
Color	Pale Yellow

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PCYTED005 / 180307

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