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	PRODUCT DATA of PSB

Material

PSB

Product Datasheet

MAP-PSB DS

Product Type

Matt-white, Thermal-control Paint

Chemical Composition

Potassium Silicate/Zinc Orthophosphate

Name of Manufacturer

Société MAP S.A. Z.I. rue Clément Ader, F-09100 Pamiers, France +33 (0)5 34 01 27 00 +33 (0)5 61 60 28 77 map@map-coatings.com www.map-coatings.com

	EXPERIENCE IN PRACTICE

Development Status

Special Commercial Product

Cost Range

Medium

Lot Reproducibility

Good

Space Experience

Fair

	PHYSICAL PROPERTIES

Thickness

0.13 to 0.15 Data Quality: Manufacturer's data

Shelf Life

! month Data Quality: Manufacturer's data

	OPTICAL PROPERTIES

Normal Emittance

0.9±0.04 Remark:ECSS-Q-70-09

Hemispherical Emittance

0.88 Remark:ECSS-Q-70-09

Solar Absorbtance

0.2±0.02 Remark:(Aluminium substrate, coating 150 mm thick) ECSS-Q-70-09, depends on topcoat thickness.

	RELEVANT PROPERTIES FOR USE IN SPACE COMMUNITY

Atomic Oxygen

Δe = +0.12mm, Δαs = +0.01, Δε = 0.00 Test:2 x 10^20 atoms.cm-2

UV Radiation

Δαs = +0.03 Δε = +0.00 Test:1500 esh @ 40°C

Thermal Cycling

Pass Test:200 cycles 10-6 torr (-150°C; +100°C)

Outgassing Status

Outgassing is informative. New test or alternative material.

Outgassing(Avg data)

TML = 3.04%, RML = 0.04%, CVCM = 0.00% Test:ECSS-Q-70-02

Induced Surface Potential

25 V @+18°C Test:1nA.cm-2 , 15 keV 50 V @+18°C Test: 5nA.cm-2 , 20 keV 900 V @-150°C Test: 1nA.cm-2 , 20 keV

	SPECIAL RECOMMENDATIONS

Special Recommendations

Room temperature curing. · This paint is usable directly on aluminium substrates without any chemical treatment. · The high value of TML is due to water.