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Hangar 9 UltraCote, Corsair Blue (Hangar 9 U905 | HANU905)

Model: Hangar 9 U905
Dist. #: HANU905   SKU: HANU905

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List Price:  $28.99
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Updated on May 19, 2026 12:10:59 AM

UltraCote, Corsair Blue...
Features

High tech polyester covering
Distinct multi temperature level-managed adhesive shrinkage system
Versatile and simple to apply
Patented polymerizing procedure permanently merges the color to the polyester film covering, removing the possibilities of color-layer separation and allows repositioning of the covering on your model.
Light weight at .30 oz/sq. ft.
Fuel evidence to radiance fuel, gas, and smoke oil. Water evidence as well.

Overview

Garage 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 patented polymerizing procedure permanently merges the color to the polyester film covering, removing the possibilities of color-layer separation and allows repositioning the covering on your model. UltraCote's special capability to both shrink and extend make it remarkable to other coverings for going around tight curves and wingtips.
 
Temperature ranges are as follows:

Adhesion to wood begins at 200 to 220 degrees F.
Shrinkage start begins at 300 degrees F.
Maximum shrinkage is at 350 degrees F.

 



Surface area Preparation:
The covering task can just be as great as the surface of the surface area it's used over. In order for the covering to properly comply with a surface, the surface area must {first|initially} be smooth and tidy. Sand the model utilizing a sanding block and progressively finer sandpaper, with the last sanding being made 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 utilizing light-colored UltraCote® (such as white or yellow), utilize a tan-colored filler that matches the wood color to avoid|avoid} the filler from {showing|revealing} through.

Pro Suggestion - Some professional home builders “raise the grain” then sand a 2nd time with 320 or 400 grit paper for the supreme surface. After the model is sanded, utilize a damp fabric to wipe down the model. Some modelers prefer to utilize a fine-mist squirt bottle filled with water to dampen the surface areas to be covered. As the surface area dries, imbedded wood fibers in the surface area will “stand up.” When dry, sand the surface areas once again utilizing 320 or 400 grit paper. Raising the grain now and sanding it off will avoid the grain from raising later on under the covering, creating a bumpy surface. Vacuum the model completely and avoid touching the model with oily hands.Your model is now check outy|prepared|all set} for covering!



Trim Movie to Size:
Start by covering the bottom of one wing half. Using scissors or sharp hobby knife, cut a piece of UltraCote® a few inches larger than needed to cover the wing. Remove the backing (save for later on) and place the covering with the adhesive (dull) side down, centered over the wing. Set the covering iron to the application temperature level of 220°F.

Pro Suggestion - If the iron you're utilizing does not display the real temperature level, here is a tip that will ensure your iron is properly set.Water boils at 212°F. Enable your iron to heat up at a medium setting. When the iron reaches its supported temperature level, thoroughly put a few drops of water on the iron's surface area. Change the temperature level up until the water simply begins to boil off. This approach is remarkably accurate and is normally 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, utilizing your iron as shown (an iron sock is extremely recommened). Gently pull the covering toward the root and toward the suggestion, as you work the iron from the center of the spar to the root and suggestion of the wing. Press gently with the iron, permitting the heat (not pressure) to trigger the adhesive and bond the covering to the peak. Ideally, the covering will naturally lay flat against 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 external to the trailing edge and then to the cutting edge as shown, utilizing the iron at 220°F. If a wrinkle develops, the covering can be thoroughly lifted and reapplied.


Covering an Open-Structure Wing:
If covering an open-structure wing, work from the spar toward the trailing edge, gently moving the iron (set at 220°) toward the trailing edge with the iron getting in touch with 2 ribs. Using your iron, adhere the covering to the staying ribs, working toward the suggestion and the root. Now complete the open structure leading edge, utilizing the very same approach. If the leading edge is sheeted, then follow the method listed above under “Covering a Solid-Sheeted Wing.”


Sealing the Edges:
With the iron set to 220°F, seal the leading and trailing edges. Using a straight edge and a sharp #11 hobby knife, thoroughly trim the excess covering from the leading and trailing edge, permitting a minimum of a 1/4" overlap to wrap around the leading and trailing edge of the wing. Now seal the leading and trailing edges firmly with the covering iron.


Wing Suggestion:
Depending on the quantity of the curvature of the wing suggestion, high heat (up to 350°F) may be needed to shrink and extend the covering to eliminate all the wrinkles. Preset the iron to 300°F. Pull and extend the covering around the wing suggestion while using heat with the iron. Keep in mind, UltraCote® can be thoroughly lifted and repositioned to assist eliminate wrinkles. This function is beneficial, specifically when covering sharply curved wing ideas. Continue working, pulling, and heating up the covering around the suggestion up until the covering is past the center of the suggestion. It may be required to increase the temperature level of the iron to attain higher shrinkage to eliminate all wrinkles. Cut the excess covering utilizing 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, utilizing the Hanger 9 ProTrim Sealing Tool is really handy and results in a professional surface.


Covering the Top of the Wing:
Using the backing from the wing panel that you simply covered as a template, cut a piece of UltraCote® to be used to the top of the wing. Make certain to cut a leading panel, ensuring that the adhesive is on the proper side. Use the covering to the top of the wing utilizing the very same strategies as described in steps 3 through 6. Make certain that the covering overlaps a minimum of a 1/4" when trimming the edges and firmly seal the edges with the iron.


Shrinking the Covering:
Now it’s time to shrink the covering. With the iron set to 300°F, apply heat utilizing the very same pattern used to apply the covering beginning at the spar and working external. It may be required to increase the temperature level to 320°F to obtain rid of stubborn wrinkles. Use the minimum quantity of heat required to tighten the covering.

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


Covering Fuselages and Other Strong Surfaces:
The method for covering fuselages and other simple flat surface areas is identical to covering a solid wing. Start with the bottom, then sides, and finally the top. First, tack the center of the surface area down utilizing an iron set to 220°F.Work external from the center, bonding the covering to the surface area. Cut and seal the edges. About 1/4" or more overlap is advised when using the next piece of covering. Shrink the covering, utilizing the very same approach as described above.

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

Multi-Temperature Control System:
Comprehending the advantages of this system and the best ways to utilize it will make covering with UltraCote® simple and assist to make sure professional results. When utilizing UltraCote®, there are three important temperature levels to be aware of.

Application Tempature-220°F (100°C):
At 220°, the adhesive on UltraCote® ends up being active, permitting the covering to be connected to the model.While 220° will totally bond the covering to the model, it is well listed below the temperature level that triggers UltraCote® to shrink. This is precisely what's needed when very first connecting covering to the model to avoid the covering from distorting.



Pro Suggestion - Many professional home builders mark this temperature level on their covering iron with a marker or striping tape for fast recommendation, as this temperature level is used often whenever placing on covering.



Shrink On-Set Temperature-300°F (134°C)
At 300°F, UltraCote® begins to shrink. This is called the Shrink On-Set point. After the covering is attached utilizing an iron set to 220°F, the next step is to shrink the covering. This initial shrinking is made with the iron set at 300°F.
Maximum Shrinking Temperature-350°F (162°C)
At 350°F, UltraCote® reaches its maximum shrinking point. Raising the temperature level above this point will not cause further shrinkage.


The rate of shrinkage is not straight in percentage to the temperature level. The chart to the right demonstrates how most of the shrinkage rate happens in between 300°F and 330°F. At higher temperature levels UltraCote® continues to shrink but at a much slower rate. The smallest quantity of shrinkage happens in between 340°F and 350°F. This is handy to keep in mind when shrinking and tightening up covering.


Important:When UltraCote® is shrunk to a particular temperature level, a higher temperature level must be used to further shrink the covering. For instance, if the covering was shrunk utilizing 320°F and wrinkles begin to appear/reappear, it will be required to utilize over 320°F to attain further shrinkage.

Pro Suggestion - Always utilize the minimum heat required to get rid of wrinkles when tightening up the covering, thus permitting a lot of shrinkage/temperature range staying if it's required to further shrink the covering.



Practical Tips

Numerous Colors:
When using covering with a 2nd 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 important to not overheat this location (over 300°F), as this will shrink and misshape the straight edge.

Use a Sealing Iron Sock:
A covering sock placed over the iron is extremely advised, as it typically prevents the surface area of the iron from scratching. The sock takes in heat and will need the user to work slower or to turn the warm up 10%. Practically all professional home builders utilize covering socks. Garage 9™ offers one of the best that includes muslin on one side to avoid heat damage and soft cotton on the opposite for a soft, scratch-free finish.

Dryer is Much better:
Wood naturally takes in moisture.Wood models in fact grow and shrink slightly throughout various seasons. This can be experienced by traveling from the damp Midwest of the United State to the dry deserts of Las Vegas. After a few days in the desert, the model develops covering droops due to model shrinkage. It is recommend that you cover the model in a dry environment if possible. Putting the model in a room with a dehumidifier for a number of days before covering the model may avoid the covering from drooping due to model shrinkage.

Painting:
UltraCote® will accept most kinds of polyurethane, epoxy, and automotive acrylic paints. It’s advised that the surface area be scuffed with 000 steel wool or Scotch® intense pads then completely cleaned with acetone or thinner before painting. Model Dope or butyrate-based paint are not compatible with UltraCote®.

Bubbles and Blemishes:
Periodically the intense heat from the sun can cause bubbles and imperfections in the covering, specifically when utilizing dark colors. To get rid of these, heat the bubbled location utilizing a heat gun to broaden the air under the covering, triggering the bubble to rise. Rapidly pop the bubble utilizing a needle then wipe the location utilizing a cold, damp wash fabric. The damp wash fabric rapidly cools the location, permitting the covering to re-adhere. It may take a number of attempt to totally get rid of the bubble/blemish, but this approach works great.

Clean Up:
The adhesive can be gotten rid of from the iron or model utilizing acetone or a moderate thinner.



Specs

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

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