| All data is for information only------(<---links) | |
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| PRODUCT DATA of Sheldahl 146633 |
| Material | Sheldahl 146633 |
| Product Type | Electrically-conductive thermal-control polymer film. |
| Chemical Composition | Polyimide Kapton HN, Aluminium and ITO 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 |
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| Development Status | Special Commercial Product |
| Cost Range | High |
| Lot Reproducibility | Good |
| Space Experience | Limited |
| PHYSICAL PROPERTIES |
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| Specific Gravity | 1.42 Remark:DuPont’s Data |
| Standard Width | 1220 mm Data Quality: Manufacturer's data |
| Thickness | 0.05 mm Data Quality: Manufacturer's data |
| ELECTRICAL PROPERTIES |
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| Electrical surface resistance | 1000 ohm(maximum) Remark:Manufacturer’s Data, 296 K, 2 VDC |
| THERMAL PROPERTIES |
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| Thermal Conductivity | 0.155 W/m.K Remark:DuPont’s Data, 296 K |
| Thermal Expansion Coefficient | 20 μstrain/°C Remark:DuPont’s Data, 259 - 311 K |
| Specific Heat | 1.09 J/g.K Remark:DuPont’s Data, 296 K |
| OPTICAL PROPERTIES |
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| Thermal Emittance | 0.72 Data Quality: Typical Data |
| Solar Absorbtance | 0.5 Data Quality: Typical Data |
| RELEVANT PROPERTIES FOR USE IN SPACE COMMUNITY |
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| Temperature Range(space) | 78 K to 473 K Remark:DuPont’s Data |
| Moisture Absorption | 1.3% @ 50% RH, 296 K Remark:DuPont’s Data |
| SPECIAL RECOMMENDATIONS |
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| Special Recommendations | Normal use is for the external sheet of multilayer insulation (MLI). Suitable venting must be provided. · The material is available in thicknesses of 12, 25, 50 and 125 micron. · The material is available in widths up to 1220 mm. · The front surface of ITO coating can withstand light handling and abrasion, but it should be protected against excessive handling. Consult the manufacturer for further details. |