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Hangar 9 UltraCote, Smoke Purple (Hangar 9 U868 | HANU868)

Model: Hangar 9 U868
Dist. #: HANU868   SKU: HANU868

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Updated on Sep 19, 2025 01:47:45 PM

UltraCote, Smoke Purple...
Features

High tech polyester covering
Unique multi temperature level-controlled adhesive shrinking|shrinking}|shrinking} system
Flexible and simple to apply
Patented polymerizing process completely fuses the color to the polyester movie covering, eliminating the possibilities of color-layer separation and permits repositioning of the covering on your model.
Light weight at .30 oz/sq. ft.
Fuel proof to radiance fuel, gas, and smoke oil. Water proof as well.

Overview

Hangar 9 UltraCote® is a high tech polyester covering that includes a unique multi temperature-controlled adhesive and shrinkage system, making it versatile and simple to apply. A trademarked polymerizing process completely fuses the color to the polyester movie covering, eliminating the possibilities of color-layer separation and permits repositioning the covering on your design. UltraCote's special capability to both diminish and stretch make it exceptional to other coverings for walking around tight curves and wingtips.
 
Temp ranges are as follows:

Adhesion to wood begins at 200 to 220 degrees F.
Shrinkage beginning begins at 300 degrees F.
Maximum shrinking is at 350 degrees F.

 



Surface area Preparation:
The covering job can only be as great as the surface of the surface area it's applied over. In order for the covering to effectively adhere to a surface, the surface area needs to {first|initially} be smooth and clean. Sand the design using a sanding block and gradually finer sandpaper, with the final sanding being finished with 320 grit paper. Vacuum away all of the dust, as specks of dust under the covering will leave undesirable bumps. Fill spaces and damages with a top quality filler. If using light-colored UltraCote® (such as white or yellow), utilize a tan-colored filler that matches the wood color to prevent the filler from revealing|revealing} through.

Pro Suggestion - Some professional home builders “raise the grain” then sand a second time with 320 or 400 grit paper for the ultimate surface. After the design is sanded, utilize a damp cloth to wipe down the design. Some modelers prefer to utilize a fine-mist squirt bottle filled with water to moisten the surface areas to be covered. As the surface area dries, imbedded wood fibers in the surface area will “stand.” When dry, sand the surface areas once again using 320 or 400 grit paper. Raising the grain now and sanding it off will prevent the grain from raising later on under the covering, creating a bumpy surface. Vacuum the design completely and avoid touching the design with oily hands.Your design is now check outy|prepared|all set} for covering!



Trim Film to Size:
Start by covering the bottom of one wing half. Utilizing scissors or sharp hobby knife, cut a piece of UltraCote® a couple of inches bigger than had to cover the wing. Get rid of the support (conserve for later on) and place the covering with the adhesive (dull) side down, focused over the wing. Set the covering iron to the application temperature level of 220°F.

Pro Suggestion - If the iron you're using does not display the actual temperature level, here is a suggestion that will ensure your iron is effectively set.Water boils at 212°F. Enable your iron to warm up at a medium setting. When the iron reaches its stabilized temperature level, carefully pour a couple of drops of water on the iron's surface area. Adjust the temperature level until the water simply begins to boil off. This technique is remarkably accurate and is usually within 10° (of the precise application temperature level of 220).


Adding Covering to Spar:
Tack the covering to the spar or the peak of the wing, using your iron as revealed (an iron sock is extremely recommened). Gently pull the covering toward the root and toward the idea, as you work the iron from the center of the spar to the root and idea of the wing. Press carefully with the iron, allowing the heat (not pressure) to activate the adhesive and bond the covering to the peak. Ideally, the covering will naturally lay flat versus the whole surface area with a minimum of wrinkles.


Covering a Solid-Sheeted Wing:
If covering a solid-sheeted wing, work from the center of the spar outside to the tracking edge and then to the leading edge as revealed, using the iron at 220°F. If a wrinkle develops, the covering can be carefully raised and reapplied.


Covering an Open-Structure Wing:
If covering an open-structure wing, work from the spar toward the tracking edge, carefully sliding the iron (set at 220°) toward the tracking edge with the iron calling two ribs. Utilizing your iron, adhere the covering to the staying ribs, pursuing the idea and the root. Now complete the open structure leading edge, using the same technique. If the leading edge is sheeted, then follow the technique noted above under “Covering a Solid-Sheeted Wing.”


Sealing the Edges:
With the iron set to 220°F, seal the leading and tracking edges. Utilizing a straight edge and a sharp #11 hobby knife, carefully cut the excess covering from the leading and tracking edge, allowing a minimum of a 1/4" overlap to twist around the leading and tracking edge of the wing. Now seal the leading and tracking edges securely with the covering iron.


Wing Suggestion:
Depending on the amount of the curvature of the wing idea, high heat (approximately 350°F) may be had to diminish and stretch the covering to remove all the wrinkles. Preset the iron to 300°F. Pull and stretch the covering around the wing idea while using heat with the iron. Keep in mind, UltraCote® can be carefully raised and repositioned to help remove wrinkles. This feature is helpful, especially when covering dramatically curved wing pointers. Continue working, pulling, and warming the covering around the idea until the covering is past the center of the idea. It may be required to increase the temperature level of the iron to accomplish greater shrinking to remove all wrinkles. Cut the excess covering using a #11 hobby knife, then reseal the covering on the wing tip.

Pro Suggestion - If sealing the covering in tight locations such as corners or fillets, using the Hanger 9 ProTrim Sealing Tool is really useful and results in an expert surface.


Covering the Top of the Wing:
Utilizing the support from the wing panel that you simply covered as a design template, cut a piece of UltraCote® to be applied to the top of the wing. Make sure to cut a leading panel, ensuring that the adhesive is on the appropriate side. Apply the covering to the top of the wing using the same methods as explained in steps 3 through 6. Make sure that the covering overlaps a minimum of a 1/4" when trimming the edges and securely seal the edges with the iron.


Shrinking the Covering:
Now it’s time to diminish the covering. With the iron set to 300°F, apply heat using the same pattern used to apply the covering beginning at the spar and working outside. It may be required to increase the temperature level to 320°F to obtain rid of persistent wrinkles. Utilize the minimum amount of heat required to tighten the covering.

Pro Suggestion - Use heat, not pressure, to diminish the covering taught. If pressure is applied, gouges can be pressed into the wood. Let heat, not pressure, do the work.
Alternate Method: A heat gun can also be used to diminish the covering. This works particularly well over an open structure. It can also be used over a solid structure if a Hanger 9 Covering Glove™ is used to carefully press the covering to the surface area after heat is applied.


Covering Fuselages and Other Strong Surface areas:
The technique for covering fuselages and other easy flat surface areas is identical to covering a solid wing. Start with the bottom, then sides, and finally the top. Initially, tack the center of the surface area down using an iron set to 220°F.Work outside from the center, bonding the covering to the surface area. Cut and seal the edges. About 1/4" or more overlap is recommended when using the next piece of covering. Diminish the covering, using the same technique as explained above.

Important: Even if you're experienced in using other brands of covering, it’s important to read the following instructions. UltraCote® includes a unique multi temperature controlled adhesive and shrinkage system that makes accomplishing professional covering outcomes easy.

Multi-Temperature Control System:
Understanding the advantages of this system and how to utilize it will make covering with UltraCote® simple and assist to ensure professional outcomes. When using UltraCote®, there are 3 crucial temperature levels to be mindful of.

Application Tempature-220°F (100°C):
At 220°, the adhesive on UltraCote® becomes active, allowing the covering to be attached to the model.While 220° will completely bond the covering to the design, it is well listed below the temperature level that triggers UltraCote® to diminish. This is precisely what's required when first attaching covering to the design to prevent the covering from distorting.



Pro Suggestion - Numerous professional home builders mark this temperature level on their covering iron with a marker or striping tape for quick reference, as this temperature level is used regularly whenever putting on covering.



Shrink On-Set Temperature-300°F (134°C)
At 300°F, UltraCote® begins to diminish. This is called the Shrink On-Set point. After the covering is attached using an iron set to 220°F, the next step is to diminish the covering. This preliminary shrinking is finished with the iron set at 300°F.
Maximum Shrinkage Temperature-350°F (162°C)
At 350°F, UltraCote® reaches its maximum shrinking point. Raising the temperature level above this point will not cause additional shrinking.


The rate of shrinkage is not directly in percentage to the temperature level. The chart to the right demonstrates how the majority of the shrinking rate occurs in between 300°F and 330°F. At greater temperature levels UltraCote® continues to diminish but at a much slower rate. The smallest amount of shrinking occurs in between 340°F and 350°F. This is useful to bear in mind when shrinking and tightening up covering.


Crucial:Once UltraCote® is shrunk to a specific temperature level, a greater temperature level needs to be used to additional diminish the covering. For instance, if the covering was shrunk using 320°F and wrinkles begin to appear/reappear, it will be required to utilize over 320°F to accomplish additional shrinkage.

Pro Suggestion - Always utilize the minimum heat required to remove wrinkles when tightening up the covering, thus allowing a lot of shrinkage/temperature range staying if it's required to additional diminish the covering.



Useful Tips

Several Colors:
When using covering with a second color, it’s important that the light color be applied first (under the dark color) to prevent the dark color from showing through. Where colors meet or at the edge of the covering, it is essential to not overheat this location (over 300°F), as this will diminish and misshape the straight edge.

Use a Sealing Iron Sock:
A covering sock put over the iron is extremely recommended, as it normally avoids the surface area of the iron from scratching. The sock soaks up heat and will need the user to work slower or to turn the heat up 10%. Almost all professional home builders utilize covering socks. Hangar 9™ offers among the best that includes muslin on one side to prevent heat damage and soft cotton on the opposite for a soft, scratch-free finish.

Dryer is Much better:
Wood naturally soaks up moisture.Wood designs really grow and diminish slightly throughout different seasons. This can be experienced by traveling from the humid Midwest of the United State to the dry deserts of Las Vegas. After a couple of days in the desert, the design develops covering droops due to design shrinking. It is advise that you cover the design in a dry environment if possible. Placing the design in a space with a dehumidifier for several days prior to covering the design may prevent the covering from sagging due to design shrinkage.

Painting:
UltraCote® will accept most types of polyurethane, epoxy, and automobile acrylic paints. It’s recommended that the surface area be scuffed with 000 steel wool or Scotch® intense pads then completely cleaned up with acetone or thinner prior to painting. Design Dope or butyrate-based paint are not compatible with UltraCote®.

Bubbles and Imperfections:
Occasionally the intense heat from the sun can cause bubbles and acnes in the covering, especially when using dark colors. To remove these, heat the bubbled location using a heat gun to broaden the air under the covering, triggering the bubble to increase. Rapidly pop the bubble using a needle then wipe the location using a cold, damp wash cloth. The damp wash cloth rapidly cools the location, allowing the covering to re-adhere. It may take several attempt to entirely remove the bubble/blemish, but this technique works great.

Clean Up:
The adhesive can be gotten rid of from the iron or design using acetone or a mild thinner.



Specifications

Length: 6.5' (78")
Width: 23.5"
Weight: .3oz per square foot
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