Finished FRP product
Fiberglass channel
A fiberglass channel is an open composite section formed by a web and two projecting flanges. FRP and GRP channels may be described as U or C sections depending on orientation and naming convention. A sketch must establish the actual geometry: the opening, flange projection and separate wall thicknesses determine whether a component fits inside or attaches outside.
Download spec sheet & RFQ checklist (.txt)Illustrative section · not to scale
Selection notes
Which direction does the opening face?
What must fit between the flanges?
Choose the configuration
What to resolve before selecting this product
Which direction does the opening face?
Show the installed orientation and the face receiving attachments. A channel mounted opening-up presents different access and clearance conditions from the same section mounted on its side.
What must fit between the flanges?
Dimension the clear opening and inside corner radii. Include the inserted part, bolt heads and tools needed for assembly; outside dimensions alone cannot confirm internal access.
Is this a plain channel or a strut system?
Identify any inward lips, slots and proprietary nuts explicitly. An open structural channel listing does not confirm compatibility with a strut-channel fastening system or its accessories.
Evidence and purchasing requirements
Separate channel geometry from attachment compatibility
| Interface | Information to agree |
|---|---|
| Web-mounted connection | Web thickness, mounting face and hole pattern measured from named datums. |
| Flange-mounted connection | Flange projection, thickness, edge distances and access behind the connection. |
| Inserted component | Clear opening, root radii and insertion or removal path. |
The manufacturer describes an open channel, but its page also groups closed tubes, angles and I sections under channel types. Its combined dimension ranges do not identify a complete channel drawing. This page therefore requests each dimension separately. Strongwell's introduction provides general context for directional composite behavior; acceptance of the channel shape is separate from validation of an assembled support.
Sources and scope
- Henan Zhongsheng channel catalogue
- Strongwell structural-shape introduction
No third-party product ratings are transferred.
Specification
Configuration table
Published catalogue values are reference figures; the agreed configuration and acceptance criteria belong in the quotation. Unconfirmed values are marked TBD · ask factory.
| Parameter | Specification / requirement |
|---|---|
| Section definition | Overall depth, flange projection, clear opening, web thickness and flange thickness |
| Available channel dimensions and tolerances | TBD · ask factory |
| Resin grade and mechanical properties | TBD · ask factory |
| Minimum order and production lead time | TBD · ask factory |
Reference: Henan Zhongsheng — open channel product reference. Henan Zhongsheng channel page reviewed 2026-10-22. Mixed forms and ambiguous web/flange dimensions prevent adoption of its numerical ranges. Updated .
Supply workflow
From product specification to delivery
Use these stages to define responsibilities, interfaces and the evidence needed at handover.
- 01
Map the interfaces
Send a section sketch, installed orientation and attachment drawing with quantities by cut length.
- 02
Resolve the offered section
Confirm material, flange and web geometry, secondary work and sample scope in the factory proposal.
- 03
Release against agreed checks
Set dimensional and fit criteria, delivery and payment terms, and the party responsible for conformity records.
Scope of supply
Define the supply package and its options
Request an itemized quotation against these lists. A catalogue description does not confirm that every item is included.
Product and work to specify
- Finished channels identified by approved section drawing and cut schedule
- Contracted bundle identification and dimensional inspection records
Options and services to price separately
- Slots, drilled attachments, brackets and assembly work
- Samples, application testing, tooling and transport as required
Applications
Applications to discuss with engineering
- Framing and component supports requiring project-specific connection review
Cross-sections
Product forms and catalogue examples
- Open web-and-two-flange channel sections subject to drawing confirmation
Prepare your enquiry
Send an enquiry that can be quoted
Include the drawings and requirements below so engineering can confirm the configuration, exclusions and lead time.
Include in your RFQ
- Web and flange dimensions with units and tolerances
- Clear opening, radii and open-side orientation
- Holes, slots, attachment hardware and assembly access
- Quantity, exposure, finish, packing length and delivery destination
Agree the acceptance evidence
- Measure web and flange thickness independently at agreed locations.
- Check opening and flange alignment against the controlled drawing.
- Trial nominated attachments and inspect ends, labels and contracted reports.
Commercial terms
Who you contract with
- Manufacturer
- Henan Zhongsheng Composite Material Co., Ltd.
- Warranty party and term
- Henan Zhongsheng Composite Material Co., Ltd.; term and coverage confirmed in the written quotation.
- Contracting party and exporter of record
- pultrx, Shanghai, China
- Incoterms
- FOB Chinese port by default; CIF/DAP on request
- Payment
- Agree milestones for specification approval, any required samples, batch inspection and shipment. Exact split on the quotation.
- Third-party inspection
- SGS, BV or TÜV pre-shipment inspection accepted, cost borne by the buyer
- Performance and inspection
- Specify the intended use, design loads, environment and applicable test methods. Confirm material data, dimensional tolerances and required inspection reports for the quoted product; catalogue examples do not establish project approval.
- Order quantity and lead time
- Confirm minimum order quantity, cut lengths, packing and working days from specification approval. Availability is established in the quotation.
FAQ
Questions buyers ask
- Can a C-channel description alone identify my section?
- No. Send a cross-section drawing; naming conventions do not establish flange projection, opening or the presence of lips.
- Does the channel include strut nuts and fittings?
- Only when itemized. Confirm compatibility through drawings and an agreed fit check before ordering the assembly.
Send a cross-section drawing. Get a scoped quotation.
Every quotation names the manufacturer, the exporter of record and the warranty party, and lists what is included.