Problems & Solutions
Crocking and Colour Transfer from Wool Fabric
Why does a dark wool fabric transfer colour during rubbing?
01 · Define the buyer decision
What must be decided before you compare suppliers
The phrase wool fabric crocking can describe several constructions, finish levels or commercial assumptions. Use the following three gates to keep samples and quotations tied to the same end use.
Dry versus wet transfer
Write the intended result in the brief and ask how the proposed construction, blend or process will reproduce it in bulk.
Dye versus loose fibre
Write the intended result in the brief and ask how the proposed construction, blend or process will reproduce it in bulk.
Contact with pale components
Write the intended result in the brief and ask how the proposed construction, blend or process will reproduce it in bulk.
02 · Make the request comparable
RFQ and specification checklist
Put each point in the written enquiry. Ask whether a quoted figure is a nominal target, a guaranteed range or a result from the actual production-representative sample.
Rubbing method and grades
State the method, unit, tolerance or physical reference where relevant. Record who approves it and at which sample or bulk stage.
Face and reverse results
State the method, unit, tolerance or physical reference where relevant. Record who approves it and at which sample or bulk stage.
Fibre-shedding observation
State the method, unit, tolerance or physical reference where relevant. Record who approves it and at which sample or bulk stage.
Bulk corrective plan
State the method, unit, tolerance or physical reference where relevant. Record who approves it and at which sample or bulk stage.
Include the garment, selling market, care route, order quantity by colour, delivery location and target schedule. A technically precise fabric can still be wrong for the commercial program.
03 · Control the approval path
A four-stage working method
- 01
Quarantine and map the affected lot
Keep the reference, result and approval owner in the order file so the next stage uses the same definition of acceptable.
- 02
Reproduce the issue with the agreed method
Keep the reference, result and approval owner in the order file so the next stage uses the same definition of acceptable.
- 03
Trace material and process records
Keep the reference, result and approval owner in the order file so the next stage uses the same definition of acceptable.
- 04
Trial the correction and retest side effects
Keep the reference, result and approval owner in the order file so the next stage uses the same definition of acceptable.
04 · Prevent predictable failure
Common risks and practical corrections
Crock cloth colour is assumed all dye
Inspect transferred material.
Only dry rubbing is tested
Include wet risk.
Extra washing alters shade
Approve correction carefully.
05 · Manufacturer context
When Fred Textile is a relevant next step
Fred Textile publishes OEM and ODM cooperation, testing, delivery and payment references. MOQ and commercial terms remain subject to the fabric program, order and contract.
This educational guide does not convert a public company statement into an order guarantee. Confirm composition, finish, test results, certificate scope, MOQ, price, lead time and delivery terms for the specific program.
Frequently asked questions
Quick answers buyers can reuse
01Why does a dark wool fabric transfer colour during rubbing?+
Loose dye, pigment or coloured surface fibre can transfer under dry or wet friction, especially on raised fabrics. Test both conditions and distinguish dye transfer from fibre shedding before choosing corrective washing or finish changes.
02What should an RFQ include for wool fabric crocking?+
Include Rubbing method and grades, Face and reverse results, Fibre-shedding observation, Bulk corrective plan. State the test methods, tolerance, quantity by colour and intended garment so quotations are comparable.
03What should buyers check before bulk approval?+
Crock cloth colour is assumed all dye: Inspect transferred material. Only dry rubbing is tested: Include wet risk. Extra washing alters shade: Approve correction carefully.