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	PRODUCT DATA of Dunmore DE320

Material	Dunmore DE320
Product Type	Thermal Control Polymer Film.
Chemical Composition	Polyimide (Kapton HN), Aluminised.
Name of Manufacturer	Dunmore Coorperation Keystone Industrial Park, 2900 Wharton Rd., Bristol, PA 19007, USA +1 215 781 8895 +1 215 781 9293 www.dunmore.com

	EXPERIENCE IN PRACTICE

Development Status	Special Commercial Product
Cost Range	High
Lot Reproducibility	High
Space Experience	Good

	PHYSICAL PROPERTIES

Specific Gravity	1.42 Data Quality: Manufacturer's data
Standard Width	112 mm Data Quality: Manufacturer's data
Thickness	0.025 mm Data Quality: Manufacturer's data

	ELECTRICAL PROPERTIES

Electrical Volume Resistivity

1.5e15 ohm.m Data Quality: Manufacturer's data

	THERMAL PROPERTIES

Thermal Conductivity	0.155W/m.K @ 23°C Data Quality: Manufacturer's data
Thermal Expansion Coefficient	20 μstrain/°C (-14 to 38 °C) Data Quality: Manufacturer's data
Specific Heat	1.09 J/g.K @ 23°C Data Quality: Manufacturer's data

	OPTICAL PROPERTIES

Solar Absorbtance

0.14 Remark: aluminised surface) Data Quality: Manufacturer's data

	RELEVANT PROPERTIES FOR USE IN SPACE COMMUNITY

Temperature Range(space)	-190 to +204°C Test:Average exposure range
Outgassing	TML = 0.21%, CVCM = 0.00% Test:ASTM E-595
Moisture Absorption	1.8% @ 23°C and 50% RH Data Quality: Manufacturer's data

	SPECIAL RECOMMENDATIONS

Special Recommendations

Normal use is for external sheet on multilayer insulation (MLI). Suitable venting must be provided, where applicable. · This product is also available in 7.6, 12.6, 51.76 and 125 micron thicknesses. · The 7.6 and 12.6 micron grades are available in widths up to 1270 micron; 25 to 125 micron grades in widths up to 1524 micron. · The full Dunmore part number must be designated for precise material description. · Perforated or embossed versions of the above-mentioned films are available. Patterns are to be specified at the time of ordering (film thickness may determine selection). · These products can also be aluminised on both sides, if desired. · Solar absorptance value is measured on the aluminised surface.