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Tools/Epoxy/Fiberglass/Resin – West Systems – Vacuum Bag Sealant

$36.26

Tools/Epoxy/Filler/Additive – West System – 883 Vacuum Bag Sealant

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Description

Tools/Epoxy/Fiberglass/Resin – West System – Vacuum Bag Sealant

West System – Vacuum Bag Sealant
Mastic tape sealant for an air-tight seal between vacuum bags and molds. Easy to work around difficult angles, and patching small leaks in the vacuum system.

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Good to know

  • Easy to work around difficult angles, and patching small leaks

MFG#; C883

Alternative Part Numbers: 883, 655-883, WSY 883, 02-9555, 2405-6901, 24056901, 8962220

The correct order in which to place vacuum bagging materials. Note vacuum bag film is the top layer.

 

Additional information

West Systems - Vacuum Bagging

What is vacuum bagging?

Vacuum bagging is when a composite that is laid up and wet out by hand is then put under vacuum to compact the laminate and force out excess epoxy. Vacuum bagging has been a choice method of manufacturing and repairing composites for a long time.

Why vacuum bag a laminate?

The process of vacuum bagging allows for the ease of hand lamination while producing a part that has better properties because of its compaction. Vacuum bagging a laminate removes air voids and increases the fiber-to-epoxy ratio. All in all, it is a great process to improve your composite laminate.

How to apply vacuum bag sealant tape

Lay down a layer of sealant tape around the perimeter of the part that you intend to vacuum bag, leaving some space between it and the laminate. The area where the tape is put down should be clean and free of epoxy residue and stray fibers. Sealant tape is also commonly referred to as tacky tape or mastic sealant.

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