Protostar Self-Adhesive Hi-Tack Flocking Material (1m Roll)

£25.00

(1 Review)

✓ 2 year warranty

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About this product

Model: protostar_flock_sa_1m
Part Number: FPR01

Protostar Self-Adhesive Hi-Tack Flocking (1m Roll)

The blackest flocking material we've ever found!

Note - does not adhere effectively to CF tubes

"Hi-tack" light trap has an ultra-black flocked knap on one side, and a peel-n-stick self-adhesive backing lets you apply an ultra-black light-absorbing surface wherever needed.

It is most often used to line the interior of a Newtonian telescope's tube for enhanced contrast.

It is made in the USA with excellent adhesive qualities and fibre retention.

Please get in touch if you are unsure how much flocking material is required for your telescope.

Dimensions

This is for a 1m / 39.4" long roll with a 61cm / 24" width.

We can also cut a custom length for you - please email us your requirements.

Spectral Reflectivity Graph

FAQ

1) Is the improvement really noticeable after applying flocked light trap material?

On bright planets like Jupiter and Venus, you should easily see an improvement in field glare surrounding the planet (assuming your original condition was a simple painted tube wall). Contrast on the moon is also noticeably improved. The improvement is more subtle on deep-space objects. The flocking material also reduces glare from nearby streetlights, house lights, etc.

2) How hard is it to install flocking?

For most tubes or structural parts, it is easy to install. Small diameter (under 8" ID) and long tubes are more difficult. We recommend installing the material in manageable sections, starting from the middle of the tube and working out to the ends. You don't need to worry too much about minor imperfections in your installation, as they will be invisible when complete.

3) Does dew or moisture damage the flocked paper?

Protostar flocked paper is an entirely synthetic-based material, so moisture doesn't affect it.

4) Does the flocked material have good thermal insulation properties?

The Hi-tack self-adhesive flocked material is a poor insulator by itself. If you are trying to insulate your metal telescope tube, use an insulating material (e.g., cork) before applying the flocked light trap. FlockBoard has better insulating properties, so it is recommended for metal tube applications.

5) What are the light-absorbing properties of Protostar light trap material?

Protostar light trap products are designed for the visible spectrum (~400-700 nm), where it absorbs over 99% of incident light. It also attenuates in the near-IR and near-UV by over 80%. (See spectral reflectivity graph above.)

6) How well does Protostar Hi-tack flocking material stick to surfaces?

The Hi-tack self-adhesive formula sticks aggressively to most surfaces, though carbon fibre and fibreglass surfaces frequently require a separate adhesive to hold the edges in place. Flat black-painted surfaces with a "chalked up" surface might also require additional adhesive. If you have doubts about your surface, do a small sample test application to see how well it sticks.

7) Should I clean or prepare my tube's inside wall before applying Hi-tack light trap material?

No, special preparation of the tube wall is not necessary. Indeed, if your tube wall is already painted, cleaning it with alcohol or other solvents can soften the paint. This reduces the self-adhesive's tackiness. It's generally best to apply the material directly, even if you suspect it's a little dusty.