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MANUFACTURER TIPS & TECHNIQUES

Stealth Veils works great in all Thermoset Open & Closed Mold Processes, Pultrusion and SMC

Tips & Techniques

Play with different backing colors to change color tones and manipulate the appearance of the veil. In most cases white or a light beige are your best backing colors to maintain the exact color of the veil in it's original state. It doesn't matter if its in mold or post application. The first picture below is our Cherry Stealth Veil with 3 different backing colors, same veil an in mold application, using a clear polyester gelcoat. The next pictures are a post application using Epoxy and our Stealth High Tech Polymer Coatings.
MANUFACTURER TIPS & TECHNIQUES
Step 1.  In mold application. 
Apply 1st layer of clear gel coat 20 mils thick to a properly prepared mold surface. We recommend using United Initiators MEKP 925H clear for the longest open time which help with time to remove trapped air.  Once the gel coat is cured, Step 2. apply another layer of gelcoat, 15 to 20 mils will suffice.  Lower viscosity gelcoats work best to saturate the veil and help remove trapped air. Now your ready to apply the Stealth Veil.  Many manufacturers we utilize a rubber or silicone squeegees or a detail roller or both to remove any air trapped under the veil and the mold surface.  Pro tip, soak your squeegee in acetone to soften.  Step 3. Once the veil in place, ensure all wrinkles have been removed. Using a detail roller or squeegee starting in the center of the part moving to the edge of the mold to remove trapped air bubbles under the veil.  As shown in the picture to the left.  This is absolutely the most crucial step to applying the veil properly.  Your laminators must take their time to ensure all air has been removed before moving on to Step 4. 
 
Step 4. Now your ready for the lamination phase.  Depending on the size of the part your making the peroxide/catalyst becomes important.  For small parts to achieve their best appearance you’ll want to reduce heat in thicker laminates.  For a thick laminate we’d recommend United Initiators MCP-75 or for thinner laminates or faster cycles use their 750E.  Contact your Composites One sales rep for assistance or contact us direct for more information.  info@stealthveils.com
Step 5.  Now your ready to pigment your clear gelcoat or resin to the color of your choice.  It’s recommended to do some test plaques before going directly into production.  *Video below show this step for step.  
Step 6. Now you can proceed with your CSM/Chop Strand Mat layers as usual. *NOTE Pigmenting the resin white with TIO2 will ensure your veil stays the same color as when you started, a light beige will do the same.  Once the pigment color has been decided on, begin adding recommended laminate thickness. 
This video shows you how to manipulate the color our veils, in this case our Italian Alder wood grain.  It also shows you the complete process of using our Stealth Veils in an In-Mold process step for step.  
Any of our printed veils can be used in an In-mold application
Stealth Veil is very responsive and has a high degree of elasticity that conforms to most shapes. You can be aggressive with Stealth Veils without worrying about pattern bleed or tearing like other veils. In cases where the mold has difficult shapes or radii, slits or darts may be used.

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