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How to specify a Rib Knit

What to put on an RFQ for Rib Knit: the ratings, documents, and constraints that change the quote.

25 Oct 2026 · 3 min read · Tradinor Desk

Specification points for Rib KnitTRADINOR · FIGUREWhat to lock for Rib KnitFinishColorCare and shrinkageFiber
Put these on the RFQ for Rib Knit before you compare prices.

A buyer searching for Rib Knit is usually trying to stop a bad substitute. A fabric is specified by fiber, construction, weight, width, and the finish. The notes below are selection criteria for a Rib Knit. They are not a catalog promise. Confirm every rating on the current datasheet, drawing, or test report for the revision you will receive.

What has to be true of Rib Knit

A fabric is specified by fiber, construction, weight, width, and the finish. For a Rib Knit, start from the duty, then the interface to the rest of the machine or the room, then the document that proves the claim. A lower price that leaves one of those blank is a different product.

Rib Knit is easy to confuse with Blanket. If the quote could be read as either, add the line that separates them: the rating, the fitment, or the standard named below. Link the drawing number to that line so receiving inspection can reject the wrong one.

Numbers that change the quote

Line What to write for Rib Knit
Finish Preshrink, coating, water repellency, or flame retardancy, each with a test if claimed.
Color Lab dip and the light under which it is judged.
Care and shrinkage The shrinkage figure after the stated wash.
Fiber Composition, including elastane if it is there.
Construction Weave or knit, and ends and picks or GSM.
Width and length Usable width and the roll length.

How to compare two offers

Lay both quotes for Rib Knit on one sheet and line up finish, color, and care and shrinkage. If a cell is empty, the offer is not finished. Ask for the missing line in writing. When those match, the honest difference is lead time, the test evidence, and who carries the warranty. Do not average a fully specified Rib Knit with a cheaper line that omitted finish.

Documents worth having before the deposit

Ask for a hang or a test report for any flame or water claim. The file should name Rib Knit and the revision, not only the supplier’s homepage. A factory quality certificate such as ISO 9001 can sit beside that file. It does not replace it.

Failures that show up after delivery

  • Ignoring usable width.
  • Approving a hand feel and leaving shrinkage untested.
  • Buying coated fabric when the process needs a breathable one.

On a Rib Knit, the expensive version of the first mistake is discovering it after the goods are in the crate. Put the rejection condition in the purchase order while the supplier can still restate the offer.

A worked RFQ line

Use this shape, then replace the brackets with your duty: “Rib Knit — State fiber, GSM, width, finish, and shrinkage.” That sentence is a template, not a rating of any brand. If a supplier’s datasheet uses different units, convert them onto this sheet so the next offer can be compared.

Where words like OEM / custom belong

Searches often add a constraint to Rib Knit: OEM / custom, or RoHS / CE. Keep those on this page. OEM or custom means a drawing, a revision, and a statement of who owns the tool. Without those, you are buying the catalog part. RoHS is a material limit. CE is a declaration that lists the rules relied on. Ask for the document that names this part number and revision. If you need a third constraint, add it as another line on the same drawing. A second URL that only swaps the adjective does not give a buyer a second fact.

Related in this section: how to specify Blanket.

Questions buyers actually ask

What should an RFQ for Rib Knit include?

State fiber, GSM, width, finish, and shrinkage.

Is a cheaper Rib Knit the same part?

Only if finish, color, and the documents match. A missing line is a different offer.

Do waterproof, OEM, or IP words need their own page?

No. For Rib Knit they are extra lines on this specification. Ask for the test or the drawing that gives the word a value.