Vacuum Infusion Tube Fixing Block for Resin Feed & Composite Molding

        Vacuum Infusion Tube Fixing Block is a composite-processing accessory designed to secure resin flow tubing and connect spiral tube or omega-profile resin distribution channels during vacuum infusion and related resin-infusion processes. The fixing block helps organize resin-feed connections,maintain tube position,and simplify vacuum-bagging layouts on large or complex composite molds. The current product family includes INB16 and INB35 configurations with internal connection ranges of 18–20 mm and 41–43 mm,a listed maximum use temperature of 160°C,and black molded construction. Typical applications include wind turbine blades,marine composites,FRP structures,automotive composite parts,and other vacuum-assisted composite manufacturing processes.

Vacuum Infusion Tube Fixing Block Specifications

The above dimensional and packaging data are taken from the current product listing. Exact material chemistry,dimensional tolerances,reusability,and connection compatibility should be confirmed for the production batch. (wgsccomposite)

Key Advantages of Vacuum Infusion Tube Fixing Blocks

1. Secure Resin Feed Tube Position

The primary function of the fixing block is to hold the resin flow tube in the intended position during vacuum-infusion setup.

Stable tube positioning can help reduce:

• Tube movement during bagging

• Unplanned feed-line displacement

• Installation inconsistency

• Distortion of resin-distribution layout

This can be especially useful on large molds where multiple feed lines must remain in predetermined locations.

2. Connect Spiral Tube or Omega Profile

The block is designed to interface with resin-distribution components such as:

• Spiral tube

• Omega profile

• Resin feed tubing

• Selected vacuum-distribution channels

This allows the block to serve as a transition or support point within the infusion system.

3. Simplifies Vacuum-Bagging Layout

Large composite molds may use multiple:

• Resin inlets

• Distribution channels

• Vacuum lines

• Spiral tubes

• Omega profiles

A dedicated connection block can help organize these components and create a more repeatable installation layout.

4. Two Connection Sizes

The current product family includes two dimensional ranges.

INB16 is designed around an inner connection range of: 18–20 mm.

INB35 is designed around an inner connection range of: 41–43 mm.

These options allow buyers to select according to the size of the connected flow-distribution component.

5. 160°C Listed Temperature Capability

The current maximum listed use temperature is: 160°C.

This provides a higher temperature rating than many basic room-temperature vacuum-infusion consumables.

However,the 160°C value should be matched to the actual:

• Cure duration

• Resin exotherm

• Mold temperature

• Cleaning method

• Reuse requirement

Maximum listed temperature should not automatically be treated as unlimited continuous exposure.

6. Compact Molded Geometry

The current product dimensions are:

• INB16 outer diameter: 78 mm

• INB16 height: 35 mm

• INB35 outer diameter: 91 mm

• INB35 height: 40 mm

Compact dimensions can make the blocks suitable for positioning beneath a vacuum-bagging system without requiring unnecessarily large connection structures.

7. Supports Repeatable Infusion Setup

Consistent tube positioning can improve process repeatability when manufacturing the same composite component repeatedly.

This can be useful in production of:

• Wind turbine blades

• Marine structures

• FRP panels

• Automotive components

• Industrial composite parts

Repeatability still depends on the complete infusion procedure.

8. Useful for Large Composite Molds

Large composite parts can require multiple resin-distribution points.

Fixing blocks may be positioned at selected locations to support:

• Main resin feed lines

• Branch feed lines

• Perimeter distribution

• Local infusion zones

This can make large bagging layouts easier to organize.

9. Compatible with Vacuum Infusion Systems

The fixing block can be used as part of a broader consumable system including:

• Spiral tube

• Flow media

• Peel ply

• Release film

• Semi-permeable membrane

• Vacuum bagging film

• Sealant tape

• Resin hose

• Vacuum hose

Each component performs a different function.

10. Potential for Reuse Subject to Process Conditions

The current source describes the block as reusable.

Actual reuse should be evaluated according to:

• Resin contamination

• Temperature exposure

• Surface damage

• Dimensional stability

• Cleaning procedure

• Connection integrity

A contaminated or damaged block should not automatically be reused in a production vacuum system.

INB16 vs. INB35

The product listing provides these dimensions but does not define a complete compatibility matrix for every spiral tube,omega profile,or resin hose. Connection fit should therefore be confirmed before bulk ordering. (wgsccomposite)

INB16 Resin Flow Tube Fixing Block

INB16 is the smaller configuration in the current range.

The inner connection range is: 18–20 mm.

The outer diameter is: 78 mm.

The block height is: 35 mm.

The listed maximum use temperature is: 160°C.

The standard packing quantity is: 20 pcs/bag.

Potential applications include:

• Spiral tube connection

• General vacuum infusion

• Resin-feed distribution

• Medium-size composite molds

• FRP production

INB35 Infusion Connection Block

INB35 provides a larger connection range.

The inner connection range is: 41–43 mm.

The outer diameter is: 91 mm.

The block height is: 40 mm.

The listed maximum use temperature is: 160°C.

The standard packing quantity is: 20 pcs/bag.

This larger block can be evaluated where a larger omega profile or distribution component must be supported.

Tube Fixing Block for Vacuum Infusion

Vacuum infusion is the primary and technically strongest application for this product.

During bagging preparation,the fixing block can help secure a resin-distribution tube or profile at the intended position.

A typical system may include:

• Resin supply hose

• Tube fixing block

• Spiral tube or omega profile

• Flow media

• Dry reinforcement

• Vacuum line

• Vacuum bagging film

The block does not create resin flow by itself. It supports the connection between components that control resin distribution.

Fixing Block for Resin Feed Lines

Resin-feed stability is important during large-part infusion.

The block can help reduce unwanted movement where the feed tube enters or transitions into the distribution system.

This can be useful when:

• Long tubes are used

• Multiple resin inlets are installed

• Large-area flow media is present

• Bag compaction may move loose tubing

The final resin-feed design should still be validated through production trials.

Fixing Block for Spiral Tube

Spiral tube provides a linear resin-distribution channel.

The fixing block can help connect or secure the spiral tube at the feed location.

The two products perform different functions:

Spiral tube distributes resin along a line.

Fixing block holds or connects the spiral tube to the feed arrangement.

Fixing Block for Omega Profile

Omega profile is another type of resin-distribution channel used in selected infusion systems.

The fixing block can provide a connection point between a resin feed tube and the omega profile.

Important selection factors include:

• Profile geometry

• Connection diameter

• Resin viscosity

• Required resin flow

• Cure temperature

The exact fit should be confirmed for the selected profile.

Tube Fixing Block for Wind Turbine Blades

Wind turbine blade manufacturing is a relevant application because blade molds often require complex resin-feed networks.

Potential use areas include:

• Blade shells

• Spar structures

• Root zones

• Shear-web components

• Large resin-distribution sections

Fixing blocks can help keep feed components positioned according to the infusion plan.

Tube Fixing Block for Marine Composites

Marine vacuum infusion may involve:

• Boat hulls

• Decks

• Bulkheads

• Sandwich panels

• Large structural components

Large curved molds can require several resin-feed points.

Fixing blocks can support an organized feed-line layout and simplify installation.

Tube Fixing Block for Fiberglass Infusion

Fiberglass composite manufacturing is a major vacuum-infusion application.

Potential reinforcement systems include:

• Biaxial fiberglass

• Multiaxial fabrics

• Woven roving

• Stitched fabrics

• Sandwich structures

The fixing block is not a reinforcement material. It is part of the temporary resin-distribution and vacuum-processing system.

Tube Fixing Block for Carbon Fiber Infusion

Selected carbon-fiber composite structures can also be produced by vacuum infusion.

Potential applications include:

• Automotive panels

• Marine structures

• Industrial carbon parts

• Prototype composite components

Because carbon laminates may have low permeability,the feed system should be carefully engineered.

The fixing block simply supports that system.

Tube Fixing Block for Automotive Composites

Automotive vacuum-infusion applications may include:

• Exterior panels

• Lightweight structural components

• Prototype parts

• Carbon-fiber structures

A repeatable resin-feed connection can help improve consistency between production cycles.

Tube Fixing Block for Industrial FRP

Industrial FRP applications can include:

• Panels

• Covers

• Tanks

• Large shells

• Equipment housings

• Structural composite parts

Tube fixing blocks can be used wherever a controlled resin-feed interface is needed during vacuum infusion.

Infusion Block vs. Spiral Tube

The infusion block and spiral tube should not compete for the same SEO keyword.

Infusion fixing block is a connection and positioning component.

Spiral tube is a resin-distribution channel.

The fixing block may hold or connect the spiral tube during infusion.

Infusion Block vs. Omega Profile

Omega profile provides a linear flow path.

The fixing block provides a connection between the profile and resin-feed tubing.

The two are complementary components.

Infusion Block vs. Resin Feed Hose

Resin feed hose carries resin from the resin container toward the mold.

The fixing block provides a connection or support point near the mold-side distribution system.

A typical sequence may be:

Resin container → resin hose → fixing block → spiral tube or omega profile → flow media → laminate.

Infusion Block vs. Vacuum Connector

A vacuum connector is primarily intended to connect the vacuum bag or vacuum line to the vacuum system.

A resin-flow fixing block is primarily intended to support or connect resin-distribution components.

They should not automatically be treated as interchangeable.

Infusion Block vs. Flow Media

Flow media spreads resin across a broad laminate surface.

The fixing block does not distribute resin across the laminate itself.

Instead,it helps connect the resin-feed line to the distribution system that delivers resin into the flow media.

Understanding Inner Connection Diameter

The current connection ranges are: 18–20 mm for INB16 and 41–43 mm for INB35.

This dimension is critical because the block must properly interface with the selected:

• Flow tube

• Spiral tube

• Omega profile

• Other compatible distribution component

Do not select a block solely by model name.

Understanding Outer Diameter

The current outer diameters are: 78 mm for INB16 and 91 mm for INB35.

Outer dimensions affect:

• Installation space

• Bagging geometry

• Positioning

• Clearance from other consumables

Large blocks should be positioned so they do not create excessive stress on the vacuum bag.

Understanding Block Height

The current heights are: 35 mm for INB16 and 40 mm for INB35.

Height affects the local profile under the vacuum bag.

Sharp transitions around any block or connector should be managed carefully to reduce bag bridging or puncture risk.

Understanding Temperature Capability

The current listed maximum use temperature is: 160°C.

For technical accuracy,maximum listed use temperature and validated continuous cure-cycle capability should not automatically be treated as identical.

Selection should consider:

• Peak cure temperature

• Time at temperature

• Resin exotherm

• Cleaning cycle

• Number of intended reuse cycles

Understanding Resin Compatibility

The current page states compatibility with common resin systems but does not provide a chemical-resistance matrix.

Potential resin systems may include:

• Epoxy

• Unsaturated polyester

• Vinyl ester

Compatibility should be confirmed if the block is exposed directly to uncured resin for long periods.

Understanding Vacuum Integrity

A fixing block can support a stable connection,but it cannot independently guarantee a leak-free system.

Vacuum integrity depends on:

• Vacuum bagging film

• Sealant tape

• Hose connection

• Block geometry

• Installation method

• Fittings

• Bag condition

The complete bagging system should be leak-tested before resin introduction.

Understanding Resin Feed Stability

Tube movement can change the location where resin enters the laminate.

A fixing block can help maintain the intended feed position.

This can be useful when the process requires:

• Repeatable inlet geometry

• Multiple feeds

• Long distribution channels

• Large molds

However,resin-front behavior still depends on the whole infusion design.

Understanding Reusability

The source describes the block as reusable,but no verified number of reuse cycles is given. (wgsccomposite)

A block should be inspected before reuse for:

• Resin buildup

• Cracks

• Warping

• Surface damage

• Connection wear

• Thermal deformation

Reuse should only continue when the component remains clean and dimensionally suitable.

Understanding Black Color

The current listed color is: Black.

Color is mainly an identification or manufacturing characteristic.

It should not be interpreted as evidence of:

• UV certification

• Carbon-fiber reinforcement

• Conductivity

• High-temperature polymer composition

unless separate material documentation confirms those properties.

Typical Vacuum Infusion System

A fixing block should therefore be treated as one component within the complete infusion system rather than as a standalone resin-flow solution.

Tube Fixing Block Selection Guide

These recommendations are initial selection directions rather than fixed engineering requirements.

How to Choose a Vacuum Infusion Tube Fixing Block

Important purchasing information includes:

• Required model

• Connected tube type

• Tube outer diameter

• Spiral tube size

• Omega-profile size

• Resin system

• Cure temperature

• Cure duration

• Composite part dimensions

• Resin-feed layout

• Required quantity

• Reuse requirement

• Packaging requirement

• Destination

A photo or drawing of the existing resin-distribution setup can be useful when confirming fit.

Choosing INB16

INB16 should be considered when the required connection range is approximately: 18–20 mm.

Provide the exact dimensions of the connected spiral tube or profile before ordering.

Choosing INB35

INB35 should be considered when the required connection range is approximately: 41–43 mm.

Because this is significantly larger than INB16,it may suit larger distribution profiles or connection structures.

Choosing a Fixing Block for Spiral Tube

Provide:

• Spiral tube diameter

• Tube wall geometry

• Resin-feed hose diameter

• Cure temperature

• Resin type

• Required connection layout

Do not assume every spiral tube will fit the same block.

Choosing a Fixing Block for Omega Profile

Provide:

• Omega-profile dimensions

• Profile opening size

• Resin-feed hose dimensions

• Installation orientation

• Cure temperature

The physical connection should be checked before large-volume production.

Choosing a Fixing Block for Wind Blades

For wind-energy production,provide:

• Blade section

• Resin-feed architecture

• Spiral tube or omega-profile dimensions

• Resin system

• Cure temperature

• Annual quantity

Repeatable connection geometry can be especially useful in serial blade manufacturing.

Choosing a Fixing Block for High-Temperature Processing

The current listed maximum use temperature is: 160°C.

For processes approaching this value,provide:

• Peak temperature

• Time at peak temperature

• Resin exotherm

• Intended reuse cycles

If the block is reused repeatedly at elevated temperature,thermal aging should also be considered.

Installation Considerations

General installation considerations include:

• Confirm the block matches the connected tube or profile

• Position it according to the resin-feed layout

• Secure the resin hose without excessive stress

• Avoid sharp edges contacting the vacuum bag

• Support the bag around raised components where necessary

• Confirm all connections before closing the bag

• Apply vacuum and perform a leak test before resin introduction

• Monitor the connection during infusion

Final procedures should follow the validated manufacturing process.

Quality Control

Important quality-control parameters can include:

• Inner connection dimensions

• Outer diameter

• Height

• Surface quality

• Shape consistency

• Thermal stability

• Connection fit

• Structural integrity

• Cleanliness

• Batch identification

For reusable blocks,dimensional stability after repeated processing may also be relevant.

Packaging

The current standard packaging for INB16 is: 20 pcs/bag,8 bags/carton,36 cartons/pallet.

The current standard packaging for INB35 is: 20 pcs/bag,4 bags/carton,36 cartons/pallet. (wgsccomposite)

For export shipments,the blocks should be protected from:

• Crushing

• Contamination

• Deformation

• Mechanical damage

Customized carton quantities and labeling can be discussed according to order requirements.

Storage Guidelines

The current recommended storage temperature is: 15–25°C.

The current recommended relative humidity range is: 30–70% RH.

The current page lists a shelf life of: 24 months under proper storage conditions. (wgsccomposite)

General storage recommendations include:

• Keep products in original packaging until use

• Store in a cool,dry,well-ventilated location

• Avoid direct sunlight

• Avoid excessive heat

• Protect from sharp objects

• Keep away from grease,acid,alkali,and contamination

• Store on flat,supported surfaces

• Protect components from deformation

For a molded fixing block,the practical condition of the component should still be inspected before use even when it remains within the listed storage period.

Frequently Asked Questions About Vacuum Infusion Tube Fixing Blocks

1. What is a vacuum infusion tube fixing block?

It is an auxiliary composite-processing component used to secure resin-flow tubing and connect spiral tube or omega-profile resin-distribution channels.

2. What is its main function?

Its primary function is: tube fixing and resin-distribution connection.

3. What models are available?

The current models are: INB16 and INB35.

4. What is the connection range of INB16?

The current listed range is: 18–20 mm.

5. What is the connection range of INB35?

The current listed range is: 41–43 mm.

6. What is the outer diameter of INB16?

The current listed value is: 78 mm.

7. What is the outer diameter of INB35?

The current listed value is: 91 mm.

8. What is the height of INB16?

The current listed height is: 35 mm.

9. What is the height of INB35?

The current listed height is: 40 mm.

10. What color is available?

The current listed color is: Black.

11. What is the maximum listed use temperature?

The current listed maximum is: 160°C.

12. Can the block be used for vacuum infusion?

Yes,vacuum infusion is the primary application.

13. Can it connect spiral tube?

Yes,the current product is designed to support connection with spiral tubing.

14. Can it connect omega profile?

Yes,omega-profile connection is one of the listed functions.

15. Can it be used for wind turbine blades?

Yes,it can be integrated into resin-feed systems used for large wind-energy composite components.

16. Can it be used for marine composites?

Yes,it can support resin-feed connections in marine vacuum-infusion systems.

17. Can it be used with fiberglass composites?

Yes,fiberglass vacuum infusion is a relevant application.

18. Can it be used with carbon fiber composites?

Yes,provided the connection size and process configuration are suitable.

19. Is the block a resin distribution tube?

No. It is a connection and fixing component used with resin-distribution tubing or profiles.

20. Is it the same as a spiral tube?

No. Spiral tube distributes resin,while the fixing block secures or connects that tube.

21. Is it the same as flow media?

No. Flow media distributes resin across a surface,while the fixing block supports a localized connection point.

22. Can the block guarantee a leak-free connection?

No. Vacuum integrity depends on the complete connection,baging,sealant,and hose system.

23. Can it be reused?

The source describes the block as reusable,but no validated number of cycles is provided. Reuse should depend on inspection,cleanliness,thermal exposure,and dimensional condition.

24. Is the material specified?

The current page describes it as durable material but does not provide a verified polymer or material grade.

25. Can it be used at 160°C continuously?

The current listed maximum is: 160°C,but continuous exposure duration and repeated thermal cycling should be confirmed before demanding high-temperature use.

26. Is it suitable for prepreg resin feeding?

Traditional prepreg already contains resin,so external resin-feed applications are generally associated with infusion rather than standard prepreg processing. Any prepreg-specific use should be technically confirmed.

27. How do I choose between INB16 and INB35?

Select according to the actual connection diameter of the spiral tube,omega profile,or distribution component.

28. How should the blocks be stored?

Store them in original packaging in a cool,dry environment and protect them from excessive heat,contamination,and deformation.

29. What is the listed shelf life?

The current page states: 24 months under proper storage conditions.

30. What information should I provide for a quotation?

Provide the required model,connection diameter,spiral tube or omega-profile dimensions,resin system,cure temperature,application,quantity,packaging requirement,and destination.

Why Choose WGSC Composite?

WGSC Composite supplies fiberglass,carbon fiber,resin systems,and vacuum-infusion consumables for wind energy,marine,automotive,industrial FRP,and other composite manufacturing applications.

Vacuum infusion tube fixing blocks can be integrated with spiral tube,omega profile,flow media,peel ply,release film,semi-permeable membrane,vacuum bagging film,sealant tape,resin hose,and vacuum tubing to support complete resin-infusion systems.

For wind-blade manufacturers,marine composite producers,FRP fabricators,distributors,and OEM buyers,fixing-block selection can be based on connection size,resin-feed layout,cure temperature,and the dimensions of the associated distribution components.

Request a Quote

For vacuum infusion tube fixing blocks,resin flow tube fixing blocks,infusion connection blocks,spiral tube connection blocks,omega-profile fixing blocks,or composite resin-feed accessories,please provide your required model,connection diameter,tube or profile dimensions,cure temperature,resin system,quantity,packaging requirements,and destination.