This unique product offers low solar absorptance and high emissivity in a wide temperature range. This highly diffusive matte coating is completely inorganic and applied on a polyimide or aluminum foil substrate, ensuring UHV-vacuum compatibility.
White standard
$152.0 – $8,144.0
Enjoy a high quality durable thermal management solution with our Acktar White StandardTM foil. This unique product offers low solar absorptance and high emissivity in a wide temperature range.
*For the purchase of a Roll, please contact us to receive a price quote
- Solar absorptance < 0.4
- Emissivity > 0.7
- Aluminum or polyimide foils
- Completely inorganic
Specifications
Solar Absorptance
<0.45
Emissivity
>0.7
Adhesive
Low outgassing adhesive,
3MTM VHBTM F9460PC or similar
"Available also without an adhesive"
Substrate thickness
Polyimide - ~ 75 microns
Aluminum – ~ 100 microns
Coating thickness
< 5 microns typical
Adhesive thickness
< 60 microns typical
Abrasion resistance
Moderate
Temperature range
Without adhesive:
•long term: (-)196° to (+)350°
•Short term: up to (+)400°
With low-outgassing adhesive:
•long term: (-)50° to (+)150°
•Short term: up to (+)260°
•long term: (-)196° to (+)350°
•Short term: up to (+)400°
With low-outgassing adhesive:
•long term: (-)50° to (+)150°
•Short term: up to (+)260°
Humidity resistance
MIL-C-48497A
Storage conditions – adhesive limited
Indoor conditions, (approx. 21℃; RH approx. 50%)
Standard shelf life – adhesive limited
For best performance, apply adhesive and remove protective layer within 12 months of shipment from Acktar.
Cleaning
Compressed dry air / nitrogen
Delivery formats
Sheets, Rolls, Die-Cuts
Certificates
ROHS, REACH, ISO 9001:2015, AS9100
Additional details
Working Temperatures
Without adhesive
Long term: (-)196° to (+)350°, Short term: up to (+)400°
With low-outgassing adhesive
Long term: (-)50° to (+)150°, Short term: up to (+)260°
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