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Vacuum Foil/ RTM Process (EMEA)

Vacuum Foil/ RTM Process (EMEA)
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Vacuum Foil Infusion/ Resin Transfer Moulding Application Selector Guide

7 Resin feed channel by vacuum or light pressure or combination Rigid mould (typically standard FRP tool) Vacuum clamping seals and ports Gelcoat Reinforcement Support frame for easy handling Lightweight upper mould (typically transparent FRP laminate) Outlet for adjustable vacuum to resin trap The RTM Light method is typically considered cost effective for production of 50 - 1500 parts per tool per year.

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10 For advice on application processes, product and resin selection feel free to contact your Reichhold representative. Hand lay up/ Spray up Vacuum Foil Infusion Materials/ Tools Materials: Glass Content Polyester/ Vinyl Ester 30% - 35% Polyester/ Vinyl Ester 30% - 65% Product Size Tool Free Brush/ Roller/ Spray Equipment Free Vacuum Pump Curing Temperature in oC Pressure in Bar Room Temperature Atm. Room Temperature -0.1 to -0.4 bar Cycle Time 15‘ - Several Days 1 - Several Hours Technical and Design Wall Thickness Difference in Wall Thickness 2 - 10 mm Possible 2 - 10 mm Possible Gives...

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11 RTM Light Pressure Injection SMC Polyester/ Vinyl Ester 30% - 50% Polyester/ Vinyl Ester 30% - 35% Polyester/ Vinyl Ester 25% - 65% 0.2 - 30 m2 Vacuum Pump 0.2 - 10 m2 Injection Equipment/ Double Mould Few cm2 to > 3 m2 Steel Moulds/ Nickel Shell Moulds SMC/ Hot Press Room Temperature 0.4 to 1 bar Room Temperature - 60 oC 1 to 5 bar 130 - 155 oC 50 to 150 bar 15‘ - Several Hours 15‘ - Several Hours 2 - 5‘ 2 - 10 mm Possible 1 - 8 mm Possible 2 - 30 mm Possible Medium Controlled Controlled Controlled 2 Sides Possible 2 Sides Possible In-mould Coating Limited due to Flow and/ or Filtering...

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