FOR DEVICE
Which black will tame your stray light?

Black for optical equipment,
built to suppress stray light.

The smallest reflection becomes noise, a false detection or a measurement error.
Here are the black materials that solve reflection problems in optical equipment.

── Choose black by what it has to do.
   Solutions for optical equipment.

Stray-light suppression, preventing false detections and more.
Pick the black that fits the problem you need to solve.

Compare the products

FINESHUT product photo
IR Flock Sheet product photo
Musou Black Carpet product photo (roll)
Product

FINESHUT Series

Best for internal parts & thin gaps

IR Flock Sheet

Best for broadband & curved surfaces

Musou Black Carpet

Coming soon Best for floors & rooms
Description
An ultra-thin, ultra-fine-pore polyurethane foam sheet, also used inside telescope cameras. Low dust generation for optical interiors and clean rooms.
A flocked fabric with high absorption across a broad band, from visible to near-infrared (2500 nm).
For LiDAR and sensor development, and the walls of space-test dark rooms.
An ultra-low-reflectance floor covering you can walk on.
Antistatic design for dark-room floors around precision equipment.
Light absorption
(550/950/1500 nm)
550 nm:98.8%
950 nm:98.8%
1500 nm:98.6%
550 nm:99.7%
950 nm:99.7%
1500 nm:99.5%
550 nm:99.7%
950 nm:99.7%
1500 nm:99.7%
Contact resistance
○ Touchable
○ Touchable
◎ Walkable
Low dust
◎ Almost no dust
× Sheds when tapped
△ Slight shedding
Price
From ¥1,500
245 × 200 mm (SP)
From ¥1,400
A4 (no glue)
Coming soon
Roll, sold by the meter
Product page

Prices are in Japanese yen and exclude shipping.

FINESHUT product photo

FINESHUT Series

DescriptionAlso used inside telescope cameras. Low dust for optical interiors.
Light absorption
550 nm:98.8%
950 nm:98.8%
1500 nm:98.6%
Contact resistance○
Low dust◎
PriceFrom ¥1,500 (245 × 200 mm)
IR Flock Sheet product photo

IR Flock Sheet

DescriptionHigh absorption from visible to near-infrared (2500 nm). For LiDAR and sensor development.
Light absorption
550 nm:99.7%
950 nm:99.7%
1500 nm:99.5%
Contact resistance○
Low dust×
PriceFrom ¥1,400 (A4, no glue)
Musou Black Carpet product photo (roll)

Musou Black CarpetComing soon

DescriptionA walkable ultra-low-reflectance floor covering. Antistatic design for use around precision equipment.
Light absorption
550 nm:99.7%
950 nm:99.7%
1500 nm:99.7%
Contact resistance◎
Low dust△
PriceComing soon

Applications

FAQ

Which one has the lowest reflectance?+

In the visible range, IR Flock Sheet and Musou Black Carpet (coming soon) have the lowest figure, 0.3% reflectance.

But "lowest" is not the same as "best for your use." Only a few materials can go on a floor, and in tight spaces inside a device a thin sheet like FINESHUT is often the better fit.
If you also need to cover the near-infrared (NIR) range, check the wavelength range each material covers.

Which is best where dust must be avoided, such as clean rooms?+

We recommend the FINESHUT Series.
It was developed as an anti-reflective material for the inside of optical equipment, and its structure generates less dust than napped materials. It has been used for many years in areas with high cleanliness requirements, such as sensor peripherals.

Can the sheets be cut into complex shapes?+

Yes.
FINESHUT and IR Flock Sheet can be laser-cut to your design through our Laser Cut Service, from a single prototype to volume production.
If you cut them yourself, a combination with thin double-sided tape can also be cut with a commercially available heat cutter.
→ Laser Cut Service

Can I get a sample before adopting it?+

We are sorry, but we do not provide free samples.
FINESHUT is available from 245 × 200 mm and IR Flock Sheet from A4 size, so please start with a small quantity.
→ Ask a technical question

We also take technical inquiries.

"Does it work in this wavelength range?" "Can it be cut to this shape?"
Talk to us from the evaluation stage.

Technical inquiry & quote
© Musou Black · KOYO ORIENT JAPAN CO., LTD.
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