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      Vacuum Bagging

      Sino Composite, the forerunner that introduces vacuum resin infusion process (VRIP) into the Chinese composite market, has developed itself into a comprehensive solution provider of vacuum bagging in aerospace, wind energy, marine and sports equipment, etc.With its whole series of vacuum bagging products with all temperature rangas well as the full-scale technical training and onsite support.

      Vacuum Bagging Process

      Vacuum Bagging is a technique that imposes vacuum pressure to the surface of the object between the mouldtooland the vacuum bag to optimize the fiber-to-resin ratio of the product. Therefore, it can improve the mechanical performance of the product.


      Usually, the vacuum bagging process canbe classified as two types:

      1. Vacuum bagging for resin infusion. Infuse the resin to dry preform of fabrics layers with a stable pressure.

      2. Vacuum bagging for prepreg or wet lay-up Impose vacuum pressure onfabricsimpregnated with resin.

      [ Vacuum bagging for resin infusion ]

      1.Resin tank

      2.Vacuum bagging film


      4.Fiber reinforcements

      5.Structural core materials



      8.Resin reservoir

      9.Vacuum pump

      [ Vacuum bagging for prepreg or wet lay-up ]

      1.Sealant tape

      2.Mould release agent

      3.Breather/Bleeder fabric


      5.Release film (perforation or none)



      8.Vacuum hose

      9.Quick connector

      10.Vacuum valve

      11.Pressure sensitive adhesive tape

      [ Vacuum Bagging Materials ]


      Product Model Thickness(μm) Max Width(m) Temerature(℃) Material Feature Perforation
      BAGGING FILM CVF120 75/80 16 120 Nylon Polyester Extruded Big width,Vacuum lnfusion
      CVF150 65/75 8 150 Vacuum lnfusion
      CVF170 50/65/70/75 9 170
      CVF200 50/75 6 200 PA
      CVF230 50/75 3 230 Modified PA Autoclave
      CVF426 50/75 1.5 426 PI Extraordinarily high temperature system,Autoclave
      RELEASE FILM CVR120 25 1.52 120 PE Ambient Temperature Multiple
      CVR150 50 150 PP Intermediate Temperature
      CVR230 20/25/30/50 230 ETFE Autoclave
      CVR260 20/25/30/50 260 FEP
      CVR315 25/50 1.5 315 PTFE

      Product Model Weight(g/m2) Temperature(℃) Material Feature
      PEELPLY CVP180 60-105 180 PE Cost-effective
      CVP200 60-105 200 PA6
      CVP230 60-105 230 PA66 High Temperature System
      CVP260 Multiple 260 Glass fiber coated with PTFE
      CVAP150 160 150 Nylon and Membrane Semi Permeable Fabric Supported Membrane

      Product Model Specification thickness*width*length Temperature ℃ Feature
      SEALANT TAPE CVS120 3mm*12mm*15m 120 Ambient Temperature
      CVS150 3mm*12mm*7.5m 150
      CVS180 180 Intermediate Temperature
      CVS210 210 Medium-high Temperature
      CVS230 230 High Temperature

      Product Model Width(m) Temperature(℃) Material feature
      PRESSURER SENSITIVE TAPE CVPS60 Customizable 60 Cloth tape coated on both sides Temporary fixation at ambient temperature
      CVPS148 148
      CVPS180 180 PET double sided tape Temporary fixation at high temperature
      CVPS200 200 PET coated with silicone adhesive
      CVPS260 260 Glass fiber coated with PTFE
      CVPS315 315 PTFE

      Product Model Weight(g/m2) Width(m) Temperature(℃) Material feature
      BREATHER CVB190 150/250/340 Customizable 190 PE Cost-effective
      CVB200 140/237/339 200
      CVB230 200/340/440 230 PA High Performance
      CVB400 203 400 GF Extraordinary high temperature, autoclave
      INFUSION MESH CVME 80-250 Customizable 120 PE Extruded
      CVMW 135/160 100 PP/PE Woven

      Product Specification Temperature(℃) feature
      TOOLS CVT-Value 1/4" threaded coupling 200-270 Aluminum/Stainless steel/Carbon steel
      CVT-Rapid Connection 200-287 Cast iron/Stainless steel/Carbon steel
      CVT-Hose 3/8"ID*1/4"NPT 232 Metal and silicon rubber case
      3/8"HOSE,1/4"MNPT 260-270
      CVT-Vac 1/4*threaded coupling -40-60 With silicon rubber case
      CVT-Rubber 1/16"*54" Rubber
      CVT-Vacuum Pump System 100-600m3/hour
      CVT-Resin Collector 10-15L Cast iron/Stainless steel
      CVT-PE Tube/Spiral Tube/Ω Tube/Three Way Inlet/Resin Infusion Connector Customizable 120 PE/PP/PA
      Business globally