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Mold Releases

When creating parts from molds—or even molds themselves—applying a release agent is an important step in the process. A release agent is generally a combination of parting wax and PVA, or a one-step additive, like our FibRelease®, that can be wiped on in several layers. Most deliver a durable, high-gloss surface finish and, most importantly, act as a parting agent between layers of resin and the mold surface, to preserve the integrity of your part and avoid damage. The small amount of effort to apply a quality release agent during preparation far outweighs the hours spent correcting damage later.

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PVA Release Film
Inexpensive and Effective Barrier 
PVA (Polyvinyl Alcohol) should be used with #1016 Wax to aid in the release of parts from a mold. It should be applied in three thin mist coats over nonporous, waxed mold surfaces. After the final wax coat has dried, begin by spraying a light tack coat of PVA. Typically, within 5 minutes the final heavier coats can be added. The PVA dries to form a smooth, glassy film. After part release, the residual film can be removed with water. We recommend using our 123-A or 126-A Touch Up Spray Guns for larger molds, but for smaller molds, use our 2251 Preval Sprayer . PVA can also be sprayed over any polyester repair to provide an airless tack-free cure.  
Parting Wax
Simple and Reliable
Paste Wax is a non-silicone green wax specially formulated to produce a tough, durable, high gloss surface. Excellent release characteristics are achieved when used with # 13 PVA. We recommend that new molds are coated with four layers before use. Apply two coats of wax, buff off the excess, and allow to stand for an hour before applying the last two coats. The wait is to give solvents extra time to evaporate so a tougher wax barrier develops.  
FibRelease<sup>®</sup>
Effortless One-Step Release Agent
Fibre Glast's first one step release agent is compatible with all our resins, saves valuable time, and uses little material. Mold preparation and cleaning times are so quick you'll feel guilty! We have tested this product during both part and mold fabrication with excellent results. Water-based FibRelease® contains no harmful solvents, chemicals, or silicones so it is worker and environmentally safe. It has been developed as an easily applied, non-VOC, non-silicone, non-transferable material with effortless release characteristics. It is compatible with the paintshop environment, and will not easily pre-release. Application is easy! We recommend starting with a properly polished mold surface,and rebuffing as necessary to maintain the Class "A" finish. Simply mist or wipe FibRelease® onto the mold surface and allow it to dry to its film state. 5 minutes is usually sufficient. One application will provide multiple releases, but the process is so quick we recommend using it every time for added insurance. The maximum service temperature is 550° F.  
Easy Clean Mold Release for Urethanes
Easy Clean Mold Release for Urethanes promotes simple separation of urethane resins from epoxy or metal tooling in production applications. This release agent provides a glossy surface finish with minimal buildup on the mold and can be washed off final urethane parts with soap and water.

#4120 Easy Clean Mold Release for Urethanes can be applied by brush, spray, or by wiping on with a clean lint-free rag.
  • Color - Clear
  • Viscosity – Water Thin
 
Non-Silicone High Temp Paste Wax
This Non-Silicone High Temp Paste Wax is designed to release epoxy and polyesters, and can be used in application temperatures ranging from 75°F to 375°. This smooth, creamy paste wax can be applied to polyester, epoxy, steel, and aluminum molds and the non-silicone nature of this wax prevents any silicone contamination.

Before molding for the first time, make at least three applications of #4121 Non-Silicone High Temp Paste Wax, 4 to 6 hours apart. Select an area of about 4 square feet. Using a circular motion, apply #4121 with a clean, dry terry cloth towel. With a separate, clean towel, break the surface film before it dries. After waxing the entire surface, buff with a clean towel until the wax is clear.  
Meguiar's Mold Polish Conditioner and Release Wax
Excellent System for Seasoned Molds 
Meguiar's Mirror Glaze® products comprise a complete production mold system based upon proper mold preparation and a paste wax. The advantages of this system are many; it yields parts with a very high gloss, involves no time consuming sprays and , with proper care, provides trouble-free releases. This system is compatible with PVA for added release insurance.  
Release Wedges
Reusable, Reliable and Necessary for Most Mold Releasing
Plastic release wedges are used to aid in removing medium to large parts from a mold. The wedges are inserted around the perimeter of the mold, between the mold and the part, and then gently driven in until the piece pops out. The theory behind using a wedge is that concentrated pressure is applied to that portion of the part not yet released. To make this scheme work it is necessary to use a sufficient number of wedges and to progress around the mold tapping each wedge in turn. One wedge will not help. The soft polyethylene construction will not scratch the mold or the part. 
Air Injected Wedge
Use Air Pressure to Force Out Stubborn Parts 
Designed for demolding large or hard-to-separate parts. Standard wedges can only reach a few inches into the mold, but air pressure will travel all the way to the sticking point to provide pressure where it is needed most. This heavy duty poly-pro wedge is designed for extra long life.  
Mold Release Clip System
Quick & Sturdy Fastening System 
As shown in "A Step by Step Guide to Molding Fiberglass", this unique clipping system quickly joins multiple piece molds during final assembly. Using 1/8" holes, the clips hold the mold tightly to prevent slipping and misalignment. Use the Fastening Clip Plier to quickly attach and remove the special clamps.   
Chavant Le Beau Touché Clay
This cream colored, sulfur-free modeling clay is extremely smooth and has excellent adhesive qualities. This non-drying, oil-based clay can be carved and shaped easily and will not crack. It is workable at room temperature but can be warmed to a maximum of 90°F to achieve softer, stickier clay. Very sensitive to heat variations, this original Le Beau Touché formula can easily be warmed and softened with the friction from rubbing it in your hands.

This clay can be used in fiberglass molding applications including; temporary fillets, construction of mold parting lines and quick repairs to molds. The oil base of this clay allows PVA separator to be applied to it and also provides a good measure of adhesion to waxed surfaces. Le Beau Touché products will not oxidize and can be left out or heated and cooled repeatedly without any significant change in the product.

*For a slightly firmer, less tacky clay for use where the working environment is expected to exceed 90°F, see
#1121 Chavant Le Beau Touché Clay HM.

Block Size: 2 lb block
Approximate block dimensions: 2-3/4" x 2-3/4" x 5"
Net case weight: 40 lbs (20 x 2 lb blocks)
 
Chavant Le Beau Touché Clay HM
This brown colored, sulfur-free modeling clay is extremely smooth. This non-drying, oil-based clay can be carved and shaped easily and will not crack. Unlike the original #1120 Chavant Le Beau Touché, this HM (High Melt) formula is less sensitive to heat variations and is suggested for use where the working environment is expected to exceed 90°F. HM is also slightly firmer and less tacky than the original. This clay is workable at room temperature but it can be warmed to soften and will work quite nicely at about 105°F (115°F Maximum). When it returns to room temperature, it will return to its original firmness.

This clay can be used in fiberglass molding applications including; temporary fillets, construction of mold parting lines and quick repairs to molds. The oil base of this clay allows PVA separator to be applied to it and also provides a good measure of adhesion to waxed surfaces. Le Beau Touché products will not oxidize and can be left out or heated and cooled repeatedly without any significant change in the product.

*For a slightly softer, more tacky clay for use where the working environment is not expected to exceed 90°F, see #1120 Chavant Le Beau Touché Clay.

Block Size: 2 lb block
Approximate block dimensions: 2-3/4" x 2-3/4" x 5"
Net case weight: 40 lbs (20 x 2 lb blocks)
 

You can place your order on our website or, if you have any questions, call 1.800.838.8984 | 8:00am - 8:00pm EST Mon-Fri.


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