Reading a fabric test report and what to check before accepting a lot

This page explains how to read a fabric test report's five sections, so that a fabric lot is never accepted on a mill's own words alone

This page is for anyone at a garment factory who receives fabric documentation from a mill and must decide whether it is enough to accept a lot: a merchandiser, a production manager, or a quality controller. Course T03-C05-L01 already taught the dimensions a fabric shipment is inspected on, and Course T03-C05-L02 taught how faults are counted and scored. This lesson teaches something that comes before either check can even start: telling apart two kinds of document a mill can send with a fabric lot. A fabric test report states measured results, section by section — weight, width, shrinkage, colour fastness, fault count — each checked against the order's own spec. A fabric quality claim is a mill's own words, such as "premium fabric," with no measured numbers behind them. This is chiefly a decision skill for the information flow of an order: matching what a document actually says against what a lot needs before it is accepted. Without it, a factory running a hybrid line, part confirmed order and part standing stock, can accept a lot on a mill's confident wording alone, and only discover a real fault once the fabric is already cut.

You need: Course T03-C05-L01's six inspection dimensions (weight, width, colour, fault count, shrinkage, overall condition) and Course T03-C05-L02's fault-scoring method. If you have not read those lessons, the key terms below give you enough to continue.

By the end of this lesson you can:

• name the five sections a formal fabric test report states, and what each one checks against;
• tell a fabric test report apart from an informal fabric quality claim;
• read a one-line mill note and judge whether it is sufficient evidence on its own;
• explain why a claim's confident wording is not the same as a measured result;
• decide what to request from a mill before accepting a lot documented only by a claim.

Not covered here: the six dimensions a fabric shipment is inspected on and how faults are scored (Course T03-C05-L01 and Course T03-C05-L02), and building the full fabric inspection checklist that covers more than this one check (Course T03-C05-L05, next).

Words you will meet in this lesson

This lesson also reuses the fault-scoring method (points against length) taught in Course T03-C05-L02 for the report's fault count section.

A formal fabric test report states measured results section by section, against the order's own spec; an informal claim states none

A fabric test report is a mill's formal, written report of a fabric lot's measured quality. It is laid out in the same five sections this course has already introduced the pieces of: a weight section (measured GSM or oz/yd² against spec), a width section (measured usable width against spec), a shrinkage section (measured shrinkage percentage against an agreed allowance), a colour fastness section (a rating for how well the dye resists fading or bleeding), and a fault count entry (points against the roll's length, per the scoring method of Course T03-C05-L02). A fabric quality claim is different in kind, not just in detail: it is a mill's own words, such as "premium fabric" or "extra durable," with no measured numbers behind them at all. A claim is not a weaker report; it is not a report. This is the same certificate-versus-claim distinction Course T02-C04-L03 and Course T02-C04-L04 taught for yarn, applied here to fabric: a document either states measured sections against a spec, or it does not, and only the first kind can actually be checked against a tolerance.

A genuine fabric test report always states its five sections; a claim, whatever it says, states none of them

None of the five sections replaces another, and a claim replaces none of them. A document that states all five sections is a report a factory can check section by section; a document that states only a general claim, however confident it sounds, is not.

Delta Garments, producing a hybrid style for Cedar & Co., must confirm a new mill's fabric documentation is a real test report before accepting a lot

Delta Garments, the garment factory in the master cast, is producing a hybrid style for Cedar & Co., the domestic Make to Stock brand with 12 shops: part of the run is a confirmed order for a specific delivery, and part is standing stock Cedar & Co. keeps running for its own shops. Delta Garments already knows both of its fixed reference fabrics well — Order A's 180 GSM single jersey and Order B's 12 oz denim — and has an established report history with the mills that supply them. A new mill Delta Garments has never worked with before, with no report history yet, pitches fabric for the same style and sends a one-line note instead of a report. Mona, the merchandiser, cannot judge whether the new mill's fabric is fit for either the confirmed delivery or the standing stock from a one-line note alone; she needs the new mill's fabric test report, stating all five sections, before accepting the lot.

Reading two documents side by side shows which one is an actual fabric test report

No new figure is needed; the worked example is reading two documents side by side and stating which one is a genuine fabric test report.

Document 1 states all five sections this lesson has named, each against the order's own spec, whether the order in question is Order A's knit fabric or Order B's denim; it is a genuine fabric test report, whatever its actual results turn out to be. Document 2 states zero of the five sections; it is a fabric quality claim, and no wording, however confident, changes that.

A five-check read for any fabric documentation a mill sends with a lot

1. Read the document exactly as the mill sent it, before assuming it is either a report or a claim.
2. Check for a weight section stating measured GSM or oz/yd² against the order's own spec.
3. Check for a width, a shrinkage, and a colour fastness section, each stating a measured value against its own spec or allowance.
4. Check for a fault count entry stating points against the roll's length, per the agreed scoring method.
5. Treat the document as a genuine fabric test report only if all five sections are stated; if even one is missing, or the document states only general wording, request the full report before accepting the lot.

A common mistake is accepting a mill's own descriptive claim as equivalent to a measured fabric test report

A common mistake is treating a mill's own descriptive claim, such as "our best quality fabric," as equivalent to a measured fabric test report. A claim states an opinion; a report states measured numbers against the order's own spec, and only the report can actually be checked against a tolerance. This is exactly the mistake a factory risks when a new mill, eager to win a hybrid order that includes both a confirmed delivery and standing stock, sends confident wording instead of the five sections a genuine report needs. The confidence of the wording says nothing about the fabric's real weight, width, shrinkage, colour fastness, or fault count.

• A formal fabric test report states five sections: weight, width, shrinkage, colour fastness, and fault count.
• Each section states a measured value against the order's own spec or an agreed allowance.
• A fabric quality claim states confident wording with no measured sections at all.
• A claim is not a weaker version of a report; it is a different kind of document entirely.
• A document missing even one of the five sections is not yet a genuine fabric test report.
• Accepting a lot on a claim alone risks a real defect reaching production undetected.

A new mill sends Delta Garments a one-line note claiming its fabric is premium grade, with no issues expected, instead of a fabric test report

Delta Garments is producing a hybrid style for Cedar & Co., part confirmed order and part standing stock, and a new mill it has never worked with before, with no report history yet, sends fabric documentation for the style.

• Delta Garments needs a fabric test report before accepting any new lot into a hybrid order.
• The new mill's documentation is a single sentence, not a report laid out in sections.
• The note states no weight, no width, no shrinkage percentage, no colour fastness rating, and no fault count.
• Delta Garments already has a working report history with the mills that supply Order A's knit fabric and Order B's denim, but not with this new mill.

The document Mona reads, the new mill's note, exactly as sent:

Is this note sufficient to accept the lot? Decide before you open the decision.

Fabric inspection checklist: recording documentation as a report or a claim before any other row is filled in

This course's fabric inspection checklist includes a row for the fabric's documentation, alongside its six inspection dimensions. This lesson's five-section read is what that row means in practice: recording whether the mill's document is a genuine fabric test report, stating all five sections, or only an informal fabric quality claim, before any other row is filled in with real, checkable numbers. [Download the checklist](templates/T03-C05-fabric-inspection-checklist.xlsx).

Download the Fabric inspection checklist (Excel)

Lesson 5.5: Building a fabric inspection checklist for an incoming lot

You now know how to tell a genuine fabric test report from an informal quality claim. The next lesson puts that check, and every other check from this course, into one working fabric inspection checklist. Back to the course map