Park Electrochemical Nelcote® P-650R Polyester Prepreg, 7781 E-Glass Reinforced

Category	Polymer , Thermoset , Polyester, TS
Manufacturer	Park Electrochemical Corp.
Trade Name	Nelcote®
Port	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Park Electrochemical Nelcote® P-650R Polyester Prepreg, 7781 E-Glass Reinforced.pdf
Price	EMAIL US sales@lookpolymers.com

Material Notes:

Nelcote® P-650R is a non-styrenated/low VOC polyester resin system that has been designed for optical clarity. P-650 exhibits good mechanical properties up to 250°F.Key Features and Benefits:Non-styrenated / low VOC resin systemMeets requirements of MIL-R-7575C, grades A and B, class 2Good optical clarity for aircraft lighting, etc.Applications/Qualifications:Aircraft lightingWing-light lensesAircraft floor lightingInformation provided by Park Electrochemical Corp.

Physical Properties	Metric	English	Comments
Specific Gravity	1.88 g/cc	1.88 g/cc
Volatiles	<= 1.0 % @Temperature 104 °C	<= 1.0 % @Temperature 220 °F	8 min
Thickness	254 microns	10.0 mil	cured laminate, per ply

Mechanical Properties	Metric	English	Comments
Hardness, Barcol	76	76
Tensile Strength, Yield	421 MPa @Temperature 23.9 °C	61000 psi @Temperature 75.0 °F	0° Direction, Wet (2 hour water boil); ASTM D638 Type 1
	469 MPa @Temperature 23.9 °C	68000 psi @Temperature 75.0 °F	0° Direction, Dry; ASTM D638 Type 1
Tensile Modulus	24.8 GPa @Temperature 23.9 °C	3600 ksi @Temperature 75.0 °F	0° Direction, Wet (2 hour water boil); ASTM D638 Type 1
	25.5 GPa @Temperature 23.9 °C	3700 ksi @Temperature 75.0 °F	0° Direction, Dry; ASTM D638 Type 1
Flexural Strength	496 MPa @Temperature 71.1 °C	72000 psi @Temperature 160 °F	Dry; ASTM D790
	586 MPa @Temperature 23.9 °C	85000 psi @Temperature 75.0 °F	Wet (2 hour water boil); ASTM D790
	669 MPa @Temperature 23.9 °C	97000 psi @Temperature 75.0 °F	Dry; ASTM D790
Flexural Modulus	21.4 GPa @Temperature 71.1 °C	3100 ksi @Temperature 160 °F	Dry; ASTM D790
	22.8 GPa @Temperature 23.9 °C	3300 ksi @Temperature 75.0 °F	Dry; ASTM D790
	22.8 GPa @Temperature 23.9 °C	3300 ksi @Temperature 75.0 °F	Wet (2 hour water boil); ASTM D790
Compressive Strength	393 MPa @Temperature 23.9 °C	57000 psi @Temperature 75.0 °F	Wet (2 hour water boil); ASTM D695
	421 MPa @Temperature 23.9 °C	61000 psi @Temperature 75.0 °F	Dry; ASTM D695
Compressive Modulus	25.5 GPa @Temperature 23.9 °C	3700 ksi @Temperature 75.0 °F	Wet (2 hour water boil); ASTM D695
	27.6 GPa @Temperature 23.9 °C	4000 ksi @Temperature 75.0 °F	Dry; ASTM D695

Processing Properties	Metric	English
Gel Time	0.500 min	0.500 min
Shelf Life	3.00 Month @Temperature 4.44 °C	3.00 Month @Temperature 40.0 °F
	6.00 Month @Temperature -17.8 °C	6.00 Month @Temperature 0.000 °F

Descriptive Properties	Value	Comments
Fabric Area Weight (g/m²)	300
Prepreg Resin Content (%)	38-44
Resin Flow (%)	10-11	275°F, 15psi

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