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Finished FRP product

Fiberglass tubes

Fiberglass tubes are hollow glass fiber reinforced polymer sections, also called glass fibre or GRP tubes. The manufacturer lists round, square, rectangular and oval forms. Choose a section by its dimensions and service requirements, then request the material specification and inspection evidence for the quoted product.

Download product & RFQ brief (.txt)

Configuration brief

Match the section to your project.

  1. Define the bore

    Show internal clearance and mating inserts as well as outside dimensions. Specify which faces control assembly fit.

  2. Describe the service

    State exposure, temperature and loading. Ask for evidence supporting any chemical, electrical or structural requirement.

Review the configuration with engineering before the quotation is finalized.

Choose the configuration

What to resolve before selecting this product

Define the bore

Show internal clearance and mating inserts as well as outside dimensions. Specify which faces control assembly fit.

Describe the service

State exposure, temperature and loading. Ask for evidence supporting any chemical, electrical or structural requirement.

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.

Fiberglass tubes specification
ParameterSpecification / requirement
Dimension conventionRound: outside diameter × wall; box: width × height × wall. State mm or inches.
Rectangular tube catalogue dimensionsThe second cross-section dimension is absent. These ranges do not define a complete rectangular section or SKU.Width 25–100 mm; wall 3–6 mm; length 1,000–6,000 mm
Listed rectangular-tube resin optionsIsophthalic polyester, vinyl ester or polyurethane; specify the quoted formulation
Listed rectangular-tube appearance optionsCustom color; smooth or textured surface
Quoted dimensions and tolerancesTBD · ask factory
Mechanical properties and test methodTBD · ask factory
Minimum order quantityTBD · ask factory
Lead time (working days)TBD · ask factory

Reference: Henan Zhongsheng — rectangular tube catalogue example. Henan Zhongsheng catalogue, reviewed 2026-10-21. Listed dimensions are supplier examples, not stock confirmation, project qualification or universal capacity limits. Confirm the ordered drawing and material. Reviewed .

Supply workflow

From product specification to delivery

Use these stages to define responsibilities, interfaces and the evidence needed at handover.

  1. 01

    Review the drawing

    Agree bore, wall, length and critical tolerances.

  2. 02

    Confirm the offer

    Identify material, finish, quantities and any machining.

  3. 03

    Approve sample checks

    Agree wall measurements and a fit check before production release.

  4. 04

    Review shipment records

    Match lot identification, inspection results and packing quantities.

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

  • Profile quantities, dimensions and cut lengths identified in the accepted quotation
  • Packaging, lot identification and inspection documents as agreed

Options and services to price separately

  • Special machining, project testing and samples: confirm charges
  • Freight and any custom tooling: itemize if required

Applications

Applications to discuss with engineering

  • Tool-handle components
  • Railing components subject to project design

Cross-sections

Product forms and catalogue examples

  • Round tubes
  • Square tubes
  • Rectangular tubes: published width 25–100 mm; second side requires confirmation
  • Oval tubes

Prepare your enquiry

Send a brief that can be quoted

Include the drawings and requirements below so engineering can confirm the configuration, exclusions and lead time.

Include in your RFQ

  • Section drawing and dimensional units
  • Cut lengths and quantities by size
  • Resin or service-environment requirements
  • Connection details and any drilled holes
  • Color, finish and sample requirements
  • Delivery destination and required date

Agree the acceptance evidence

  • Measure outside size, bore and wall at agreed locations.
  • Check cut length, ends and specified hole positions.
  • Inspect surface condition and test fit nominated inserts.
  • Reconcile lot labels, quantities and agreed 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

Are these pressure-rated pipes?
No pressure rating is established by this category. Provide pressure-service requirements and request a specific qualified proposal.
Are all sizes in stock?
Availability is not confirmed. The quotation should state the offered section, minimum quantity and production lead time.

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.