Fiberglass vacuum bag kit

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Vacuum Bagging kits

Vacuum bag, Vacuum bagging, Vacuum bag kit. Vacuum infusion kit

 

Vacuum bagging kit, Vacuum bagging supplies, vacuum infusion supplies, RTM, Light RTM injection, Vacuum Resin Transfer molding,Vacuum resin infusion

These vacuum bagging and vacuum infusion kits contain all the materials you will need to get started with vacuum infusion and vacuum assisted resin transfer.  

Vacuum Resin Transfer Molding or Vacuum Resin Infusion is a process that uses a two-sided mold that shapes both surfaces of a composite part. The lower mold is rigid, and commonly made from Fiberglass and coated with gelcoat. The upper portion of the mold is made from a flexible membrane or vacuum bag. This vacuum bag can be a reusable silicone material or an extruded polymer film. Once the lay up is completed vacuum is applied to the mould cavity and the material is allowed to debulk. This process can be performed at either ambient or elevated temperature with ambient atmospheric pressure acting upon the vacuum bag.

 

 

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Sours: https://www.carbonfiberglass.com/

Vacuum bagging materials and fundamentals will translate to vacuum infusion (also called resin infusion), which is an even more advanced manufacturing process. Rather than using vacuum pressure to remove excess air and resin from within the laminate, infusion uses vacuum pressure to drive resin into the laminate.

Both vacuum bagging and vacuum infusion will require some items outside the scope of traditional hand lay-up, including the vacuum bag, peel ply or release film, and a quality vacuum pump. Your lay-up will determine the size of your vacuum bag, and it's advisable to match the size of your vacuum bag with pump ratings. You can access vacuum bagging materials, pumps, fittings, tools, and more from the vacuum bagging category at FiberGlast.com.

Vacuum bagging is not necessarily a complex process and will, ultimately, produce laminates that are stronger and lighter.

Want to learn more about Vacuum Bagging and Resin Infusion? Fibre Glast has a free Learning Center with helpful white papers. You can learn more about Vacuum Bagging and Vacuum Infusion with free white papers like: Vacuum Bagging Equipment & Techniques and Vacuum Infusion - The Equipment & Process of Resin Infusion. You can also view a Basic Vacuum Bagging Set-Up diagram.

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Sours: https://www.fibreglast.com/category/Vacuum_Bagging
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Fiberglass Supply - Carbon Fiber and Composite Supplies for the 21st Century

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Stretchlon " X 60" Stretch Film is a thin green polyurethane film that has well over % elongation.  After it is stretched it will return to approximately 80% of its original size.  Stretchlon Stretch Film is a perfect vacuum bagging film for multiple contour parts.  Little or no pleats (rabbit ears) are needed so even the least experienced bagger can use this product. Recommended for wet layup vacuum bagging polyester, vinylester resins and epoxy systems. Great for debulking. Do not exceed ° F. ( C)

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Stretchlon " X 60" Stretch Film, 70 yard roll ( feet)

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Cut per yd. Up to 3 yds., Stretchlon " X 60" Stretch Film

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Cut per yd. 4 yds. to 15 yds., Stretchlon " X 60" Stretch Film

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Cut per yd., 16 yds & Up, Stretchlon " X 60" Stretch Film

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Stretchlon " X 60" Stretch Film is a thin strong ( psi Tensile Strength) orange polyurethane film with over % elongation that is recommended for use with polyester, vinylester, and Epoxy resins for vacuum bagging or infusion.  After it is stretched it will return to approximately 80% of its original size.  Stretchlon Stretch Film is a perfect vacuum bagging film for multiple contour parts.  Little or no pleats (rabbit ears) are needed so even the least experienced bagger can use this product.  Do not exceed ° F. ( C)

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Stretchlon , 70 yard roll ( feet)

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Cut per yd. Up to 3 yds., Stretchlon

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Cut per yd. 4 yds. to 15 yds., Stretchlon

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Cut per yd., 16 yds & Up, Stretchlon

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WL 36" Lay Flat Nylon Bagging Tubing, has good elongation and strength and is ideal for room temperature curing epoxies that may have high temperature exotherms. Use for larger sailboards, higher temperature core bagging and for bagging applications that fit.  thickness, % elongation to break, Maximum use temperature ° F. ( C)

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WL 36" Lay Flat Nylon Bagging Tubing ' Roll ( yards)

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Cut per yd Up to 3 yd, WL 36" Nylon Bagging Tubing

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Cut per yd Up to 15 yd, WL 36"  Nylon Bagging Tubing

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Cut per yd, 16 yd & Up, WL 36&#; Nylon Bagging Tubing

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WL in. Wide Center Fold Nylon Bagging Film ' Roll Specs are the same as above, max use temp F.  &#; wide, with center fold, comes on 60&#; tube.

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Full roll, priced by yard.

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Cut per yd. Up to 3 yd.

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Cut per yd. 4 to 15 yd.

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Cut per yd. 16 to yd

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Poly-Tube 4 mil. X 32" Lay Flat Tubing is a light weight polyethylene tubing suitable for vacuum bagging easily conformable core materials to surfboard and sailboard blanks in sandwich construction.  An economical alternative for any room temperature cure core bagging applications that fit.

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Roll, Poly-Tube 4, 32" Tubing, ft. ( Yards)

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Cut per yd. Up to 3 yds., Poly-Tube 4, 32" Tubing

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Cut per yd. 4 yds. to 15 yds., Poly-Tube 4, 32" Tubing

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Cut per yd., 16 yds & Up,  Poly-Tube 4, 32" Tubing

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Poly-Tube 6 mil. X 30&#; Lay Flat Tubing, is a heavier polyethylene tubing suitable for vacuuming stiffer core materials to surfboard and sailboard blanks in sandwich construction.  An economical alternative for any room temperature cure core bagging applications that fit.

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Roll Poly-Tube 6, 30" Tubing, ft. ( Yards)

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Cut per yd. Up to 3 yds., Poly-Tube 6, 30" Tubing

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Cut per yd. 4 yds. to 15 yds., Poly-Tube 6, 30" Tubing

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Cut per yd., 16 yds & Up,  Poly-Tube 6, 30" Tubing

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Breather Fabrics for Vacuum Bagging

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Econoweave 44 Breather 60" is intended for low stress applications.  Econoweave 44 Breather is made of recycled non-woven polyester for ambient or oven cures.  This breather is inexpensive since it is not made to "advanced composite" Q. C. Standards, some imperfections may show on the roll.  It is light weight and very drapable, conforming easily to contour shapes.  Econoweave 44 Breather is an excellent alternative for non-autoclave breathing applications.  Weight 4 oz./yd.².  Maximum Temperature use ° F. ( C)

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Econoweave 44 Breather 4 oz. X 60", Yard Roll

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Cut per yd. Up to 3 yds., Econoweave 44 Breather 4 oz. X 60"

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Cut per yd. 4 yds. to 15 yds., Econoweave 44 Breather 4 oz. X 60"

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Cut per yd., 16 yds & Up, Econoweave 44 Breather 4 oz. X 60"

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Perforated and Non Perforated Release Films for Vacuum Bagging

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Release Bag, " X 60" Release Film is an economical release bag that can be used for cures up to ° F. ( C) and will release from most resins associated with aerospace, marine, and recreational products.  This formulation has improved tear resistance and elongation over products previously offered as low temperature , multiple process films.    Release Bag Release Film is the ideal release film for polyester, vinyl ester and epoxies.

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Release Bag, " X 60" Release Film, 70 yard roll ( feet)

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Cut per yd. Up to 3 yds., Release Bag, " X 60" Release Film

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Cut per yd. 4 yd. to 15 yd., Release Bag, " X 60" Release Film

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Cut per yd., 16 yds & Up,  Release Bag, " X 60" Release Film

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WL Fluorocarbon is a premier fluorocarbon release film designed to take temperatures up to F and maintain its strength and elongation properties.  Compatible with most resin system it is a more flexible and higher stretch film than the RB  Has excellent release properties and will leave a glossier finish than other release films.

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WL Flourocarbon Perf Release film yds  " X 45"

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Cut per yd. Up to 3 yd., Perforated WL, " X 45"

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Cut per yd. 4 yd. to 15 yd., Perforated WL, " X 45"

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Cut per yd. 16yds and up, Perforated WL , " X 45"

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Perforated Release Bag, " X 60" Release Film has diameter holes staggered on 1/4" centers. About 3 to 5 % resin loss.

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Perforated Release Bag, " X 60" Release Film, 70 Yard Roll (ft)

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Cut per yd. Up to 3 yd., Perforated RB, " X 60"

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Cut per yd. 4 yd. to 15 yd., Perforated RB, " X 60"

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 Cut per yd. 16  yds and up, Perforated RB, " X 60"

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Peel Ply for Vacuum Bagging

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Econo-Ply J oz. X 60" is a peel ply designed for low temperature commercial applications where cost savings is the primary concern. Econo-Ply J works well with most room temperature and low temperature curing resins and is easily suited to marine, transportation, recreation and wind power industries.   oz./yd.² (55 g/m²) Thickness in. ( cm)  Maximum Service temperature ° F. ( C)

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Econo-Ply J, oz. X 60" Peel Ply, Yard Roll.

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Cut per yd. Up to 3 yds., Econo-Ply J, oz. X 60" Peel Ply

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Cut per yd. 4 yds. to 15 yds., Econo-Ply J, oz. X 60" Peel Ply

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Cut per yd., 16 yds. & Up, Econo-Ply J, oz .X 60" Peel Ply

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Econo-Ply E, oz. X 60" is a heavy duty polyester peel ply designed for use in "Resin Rich" conditions or where a more textured surface is required for secondary bonding.  Designed for less critical applications.  Econo-Ply E is heat set and scoured polyester and will provide cost savings performance for room temperature and low temperature applications.  Econo-Ply E is easily suited to marine, transportation, recreation and wind power industries.  oz./yd.²  Thickness in.  Maximum Service temperature ° F. ( C)

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Econo-Ply E, oz. X 60" Peel Ply, Yard Roll.

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Cut per yd. Up to 3 yds., Econo-Ply E, oz. X 60" Peel Ply

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Cut per yd. 4 yds. to 15 yds., Econo-Ply E, oz. X 60" Peel Ply

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Cut per yd., 16 yds & Up, Econo-Ply E, oz. X 60" Peel Ply

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Econo Stitch, oz. X 60" Peel Ply with red tracers, Yard Roll.

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Cut per yd. Up to 3 yds. Econo Stitch

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Cut per yd. 4 yds. to 15 yds. Econo Stitch

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Cut per yd., 16 yds & Up, Econo Stitch

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Nylon Release Ply z. X 60" is a nylon release peel ply designed for vacuum bag lay-up and metal to metal bonding structures.  Nylon Release Ply is a tough, economical, tightly woven nylon fabric that is specially coated so polyester and epoxy resins will not bond to it.  Not recommended for phenolic systems.  Nylon Release Ply fabric leaves a fine surface impression for priming and secondary bonding. oz./yd.²  Thickness in.  Maximum Service temperature ° F. ( C)

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Ny-Ply 19 X 60" oz. Peel Ply, Yard Roll

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Cut per yd. Up to 3 yds., Ny-Ply 19 X 60" oz. Peel Ply

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Cut per yd. Up to 15 yds., Ny-Ply 19 X 60" oz. Peel Ply

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Cut per yd., 16 yds & Up, Ny-Ply 19 X 60" oz. Peel Ply

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 Item #

Bleeder Lease B X 60"Bleeder Lease B is a fully cured silicone coated peel ply.  The silicone coating allows the peel ply to release from the laminate with much less effort than an uncoated peel ply.  Use in areas where you are having problems getting off peel ply, such as under feed lines or under flow media.  Bleeder lease B is a oz/sq. yd. nylon fabric, approx. &#; thick with a max service temperature of F.

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Bleeder Lease B X 60" Peel Ply, Yard Roll.

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Cut per yd. Up to 3 yds., Bleeder Lease B  X 60" Peel Ply

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Cut per yd. 4 yds. to 15 yds., Bleeder Lease B  X 60" Peel Ply

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Cut per yd., 16 yds. & Up, Bleeder Lease B X 60" Peel Ply

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Sealant Tape for Vacuum Bagging

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AT Sealant Tape is designed for applications where cost is the primary consideration.  Use longer 50 foot roll to seal vacuum bag to mold, around entry points into bag and for repairing leaks in bag. this tape has been reduced, 1/16" thickness and 1/4" width, yet still provides a good vacuum seal for debulking and oven cures to ° F. ( C)   1/16" X 1/4" X 50'  Color Black.

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Roll, AT Sealant Tape (50 feet per roll)

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Sleeve (10 rolls), AT Sealant Tape, Per Roll

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Case (40 rolls), AT Sealant Tape, Per Roll

$

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G Sealant Tape, a 1/8' x 1/2" room temperature mastic sealant used to seal vacuum bag to mold, around entry points into bag and for repairing leaks in bag.  Maximum Service temperature ° F. ( C)  1/8" X 1/2" X 25'  Gray color.

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Roll, G Sealant Tape (25 feet per roll)

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Sleeve (10 rolls), G Sealant Tape, Per Roll

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Case (40 rolls), G Sealant Tape, Per Roll

$

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ATY Sealant Tape is produced in standard width and thickness along with high tack.  This provides greater surface area to hold the vacuum bag.  ATY provides a good vacuum seal between the bag and tool, coming off clean when removed.  Maximum Service temperature ° F. ( C) 1/8" X 1/2" X 25'   Yellow color. 

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Sours: http://www.fiberglasssupply.com/product_catalog/vacuum_bagging/vacuum_bagging.html
How to vacuum bag

All You Need is an Air Source!

Vacuum bagging is a great method for building a better composite part—let Fibre Glast help you get started. Our Vacuum Bagging Starter Kit contains the essentials tools required for a complete vacuum bagging station. You supply the air source, part, and consumables, like bagging films and peel ply, and you're ready to get started.

Remember, all of our fittings, components, and our tubing are durable and compatible. They can all be used again, and combined with other vacuum bagging components purchased from Fibre Glast for future set-ups that may be more complex.

Kit contains:

  • (1) #A Small Regulator/Filter to install between your air compressor and the vacuum generator. This product also allows you to dial in the correct air pressure.
  • (1) #A High Efficiency Vacuum Generator, capable of pulling a vacuum from a very small source.
  • (2) #A Air Hose Assemblies, 5-foot lengths to connect your air compressor and Regulator, and the Regulator to the Vacuum Generator.
  • (1) #A Vacuum Gauge with T-Fitting which allows you to easily monitor vacuum pressure anywhere in your tubing line – put it where you want it! You can measure close to the pump or right at the part.
  • (10) Feet of # 12" Vacuum Tubing
  • (4) #A Hose Clamps
  • (1) #A Vacuum Connector

This item will typically ship in a medium box.

Vacuum Bagging Starter Kit This item is sold by the unit.

Sours: https://www.fibreglast.com/product/Vacuum_Bagging_Starter_Kit__A/Vacuum_Bagging_Pumps

Vacuum kit fiberglass bag

Vacuum Bagging FAQs


What is vacuum bagging?

Vacuum Bagging is a clamping system used for laminating a wide range of fabrics, core materials and veneers. It offers many advantages over conventional clamping. This process can be used for both repairs and composite construction. It uses atmospheric pressure to deliver firm even clamping. The advantage of vacuum bagging is that the type or quantity of the surface being laminated has no bearing on the clamping pressure or effectiveness of the lamination. This property enables molding of diverse composites, including carbon fiber, into useful shapes while minimizing the amount of resin.

How do you vacuum bag fiberglass?

Vacuum bagging minimizes the amount of resin used, as resin by itself adds weight without adding strength. Vacuum bagging requires that the item being laminated be covered with cloth, like hand layups. The item is wrapped with a thin porous film that won't stick to the epoxy (This is the vacuum bagging release film) and a thick layer of absorbent material (This is the breather fabric). Then, the item is inserted into the vacuum bag and the air inside is removed by a vacuum pump. Because the air inside the vacuum bag is removed, the air pressure from the atmosphere outside the bag pushes tightly from all sides, pressing the bag against the breather fabric. Excess epoxy is squeezed out of the cloth, passes through the release film, and is soaked up by the breather. The breather fabric lets air flow away from the tube and out of the bag.

By compressing the composite lamination, the vacuum bag pump removes air trapped between layers, and flattens the fiber layers so they cannot move during the curing cycle. The compression function also decreases humidity.

Carefully applied sealant tape holds components in place during the process. Butyl tape and bagging film seal the laminate against air. Peel ply acts as a bleeder, allowing resin to seep through the material for a bondable finished surface. The peel ply also serves as a breather, ensuring even vacuum pressure across the entire laminate.

While complete vacuum bagging kits are available, a resourceful user can make a DIY vacuum bag system.

What is resin infusion?

Resin infusion, or vacuum infusion, is a lamination method that utilizes a vacuum to infuse resin into a dry fiber laminate. First, the user lays dry fiber materials into a mold. Next, the user applies the vacuum before adding the resin. Once there is a complete vacuum, strategically placed tubing sucks resin into the laminate.

Resin infusion offers several benefits compared to vacuum bagging of similar composite laminates. The resin infusions laminate is stronger, and offers an improved fiber-to-resin ratio and a lower void content. Because of the pre-compacted fabric volume, less resin is required. Finally, the resin infusion method results in reduced user exposure to harmful emissions.

What is the difference between resin infusion and vacuum bagging?

In comparing vacuum bagging vs resin infusion of composites, resin infusion offers several clear advantages. First, resin infusion results in an improved fiber-to-resin ratio. The user draws the vacuum over dry materials rather than wet ones, and the resin is infused through application of vacuum pressure. With excess resin removed through the vacuum line, there is less resin remaining on the material, resulting in a stronger and lower-weight product.

The resin infusion technique also leads to more predictable resin usage compared to the hand-laid method. Even on a larger scale, the resin usage results will be very similar, leading to less wasted resin and subsequent cost savings.

With the resin infusion technique, the user applies the vacuum to dry materials, so they do not have to race to finish the prep work before the resin clock runs out. There is ample time to test for leaks, and release the vacuum to make adjustments, before infusing the resin via the infusion pump.

Resin infusion is a much cleaner process, with no rollers or brushes and associated clean-up work. In addition, the user has much less exposure to resin fumes.

Despite resin infusions advantages, this technique involves a more complicated set-up process. In addition, it is not possible to correct errors after the infusion has begun. For those reasons, users should regard resin infusion as a learning curve, and recognize that this technique takes time to perfect.

What are the advantages of vacuum bagging composites?

Compared to conventional hand lay-up methods, vacuum bagging of composites offers several distinct advantages. First, vacuum bagging decreases the amount of resin that is required. This results in a stronger, lighter finished product that is more durable than similar hand-laid products.

During a vacuum-bagging operation, the user has more control over the resin content and application rate, and the process ensures an even clamping pressure. Vacuum bagging of composites facilitates an efficient lamination process, and leads to achievement of custom shapes and designs. Finally, switching to vacuum bagging is relatively simple, and materials are affordable and readily obtained.

Should you use epoxy or polyester resin?

Polyester resin is not meant for use in vacuum bagging. Instead, use epoxy resin, which offers an extended working time. This provides you with more time to set up materials and extract the resin.

How do you build a DIY vacuum bag system?

You will need:

  • Vacuum pump
  • Valve
  • Tubing
  • Gauge
  • Bagging film
  • Breather and bleeder film
  • Release film
  • Peel ply
  • Vacuum bag sealing tape


How much resin do you need?

Aiming for a 60 percent resin-to-weight ratio is a reasonable goal. By comparison, a hand laminate uses more than percent of the fabric weight by resin. At the other end of the spectrum, an aerospace composite lamination can use as little as 40 percent. Resin-saturated areas have more strength, while dry spots tend to be weaker.

How much vacuum is required?

When vacuum bagging a one square foot laminate, a 20" Hg vacuum will yield 10 psi clamping force or a total of pounds of clamping force over the entire laminate.

Sours: https://www.jamestowndistributors.com
Resin Infusion How To by Rock West Composites

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