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	PRODUCT DATA of Sheldahl 146368

Material

Sheldahl 146368

Product Type

Thermal-control polymer film.

Chemical Composition

Fluorocarbon (FEP), Silver and Inconel coated.

Name of Manufacturer

Sheldahl sheldahl.info@sheldahl.com www.sheldahl.com 150 Sheldahl Rd., Northfield, MN 55057, USA +1 507 663 8000 +1 507 663 8545

	EXPERIENCE IN PRACTICE

Development Status

Special Commercial Product

Cost Range

High

Lot Reproducibility

Good

Space Experience

Limited

	PHYSICAL PROPERTIES

Specific Gravity

2.15 Data Quality: Manufacturer's data

Standard Width

1220 mm Data Quality: Manufacturer's data

Thickness

0.05 mm Data Quality: Manufacturer's data

	ELECTRICAL PROPERTIES

Electrical surface resistance

1e15 ohm(minimum) Remark:296 K Data Quality: Manufacturer's data

Electrical Volume Resistivity

1e15 ohm.m(minimum) Remark:296 K, 38% RH Data Quality: Manufacturer's data

Dielectric Strength

160 kV/mm Remark:(of FEP film) DuPont’s Data, 296 K

	THERMAL PROPERTIES

Thermal Conductivity

0.194 W/m.K Remark:223 - 343 K Data Quality: Manufacturer's data

Thermal Expansion Coefficient

83 μstrain/°C Remark:223 - 343 K Data Quality: Manufacturer's data

Specific Heat

1.17 J/g.K Remark:223 - 343 K Data Quality: Manufacturer's data

	OPTICAL PROPERTIES

Thermal Emittance

0.61

Solar Absorbtance

0.1

	RELEVANT PROPERTIES FOR USE IN SPACE COMMUNITY

Temperature Range(space)

88 K to 423 K Test:DuPont’s Data

Moisture Absorption

0.0001 Test:DuPont’s Data

	SPECIAL RECOMMENDATIONS

Special Recommendations

The material is available in thicknesses of 12, 25, 50 and 125 micron. · The material is available in widths up to 1220 mm. · The material is available with #966 adhesive on the metallised side. · The material is available with perforations. · An ITO transparent, conductively-coated film is available. Consult the manufacturer for further details.