Park Electrochemical Nelcote® S-860 Silicone Prepreg, 1581-112NPH E-Glass Reinforced

Category	Polymer , Thermoset , Silicone
Manufacturer	Park Electrochemical Corp.
Trade Name	Nelcote®
Port	Shanghai port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Park Electrochemical Nelcote® S-860 Silicone Prepreg, 1581-112NPH E-Glass Reinforced.pdf
Price	EMAIL US sales@lookpolymers.com

Material Notes:

Nelcote® S-860 is a MIL-P-25518 type silicone resin with a good combination of electrical and high temperature properties. GMS4001 qualified specificationsKey Features and Benefits:500°F maximum service temperatureGood electrical and mechanical properties at high temperaturesLow out-gassing for space applicationsApplications/Qualifications:RadomesAircraft StructuresInformation provided by Park Electrochemical Corp.

Physical Properties	Metric	English	Comments
Density	1.76 g/cc	0.0636 lb/in³
Volatiles	<= 2.5 % @Temperature 163 °C	<= 2.5 % @Temperature 325 °F	8 min

Mechanical Properties	Metric	English	Comments
Hardness, Barcol	59	59
Tensile Strength, Yield	221 MPa @Temperature 23.9 °C	32000 psi @Temperature 75.0 °F	0° Direction, Dry; ASTM D638 Type 1
Tensile Modulus	18.6 GPa @Temperature 23.9 °C	2700 ksi @Temperature 75.0 °F	0° Direction, Dry; ASTM D638 Type 1
Flexural Strength	283 MPa @Temperature 23.9 °C	41000 psi @Temperature 75.0 °F	Dry; ASTM D790
Flexural Modulus	18.6 GPa @Temperature 23.9 °C	2700 ksi @Temperature 75.0 °F	Dry; ASTM D790
Compressive Strength	165 MPa @Temperature 23.9 °C	24000 psi @Temperature 75.0 °F	Dry; ASTM D695
Compressive Modulus	19.3 GPa @Temperature 23.9 °C	2800 ksi @Temperature 75.0 °F	Dry; ASTM D695

Electrical Properties	Metric	English	Comments
Dielectric Constant	4.15 @Frequency 9.375e+9 Hz	4.15 @Frequency 9.375e+9 Hz
Dissipation Factor	0.013 @Frequency 9.375e+9 Hz	0.013 @Frequency 9.375e+9 Hz

Processing Properties	Metric	English
Gel Time	3.00 - 4.00 min	3.00 - 4.00 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)	302
Prepreg Resin Content (%)	31-41
Resin Flow (%)	10-16	340°F, 10psi

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