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How to specify an Extrusion Die

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

25 Oct 2026 · 3 min read · Tradinor Desk

Specification points for Extrusion DieTRADINOR · FIGUREWhat to lock for Extrusion DiePolymerFormPropertiesColor and additive
Put these on the RFQ for Extrusion Die before you compare prices.

A buyer searching for Extrusion Die is usually trying to stop a bad substitute. A resin, sheet, or rubber part is specified by the polymer, the grade, the form, and the properties the part must hold. The notes below are selection criteria for an Extrusion Die. 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 Extrusion Die

A resin, sheet, or rubber part is specified by the polymer, the grade, the form, and the properties the part must hold. For an Extrusion Die, 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.

Extrusion Die is easy to confuse with Cable Insulation Compound. 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 Extrusion Die
Polymer Family and grade name or a datasheet.
Form Pellet, sheet, tube, or a molded part.
Properties The two or three numbers the design uses: strength, hardness, temperature, or flame.
Color and additive Color, UV, or glass fill, if they matter.
Food or medical Only with the file for that contact. Do not assume a natural color is approved.
Processing For a molder, the datasheet. This page does not set a process window.

How to compare two offers

Lay both quotes for Extrusion Die on one sheet and line up polymer, form, and properties. 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 Extrusion Die with a cheaper line that omitted polymer.

Documents worth having before the deposit

Ask for the datasheet of the exact grade. The file should name Extrusion Die 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 filler content.
  • Claiming food contact without the grade’s file.
  • Substituting a polymer because the abbreviation looks close.

On an Extrusion Die, 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: “Extrusion Die — State polymer, grade, form, and the properties the design uses.” 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 waterproof / IP65 belong

Searches often add a constraint to Extrusion Die: waterproof / IP65, or IP67. Keep those on this page. IP65 in IEC 60529 means dust-tight and protected against water jets. Write that code if hoses are the real exposure. The word waterproof alone does not name a test. IP67 is dust-tight plus a defined temporary immersion. It is not a rating for living underwater, and it says nothing about sunlight or salt. 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 Cable Insulation Compound.

Questions buyers actually ask

What should an RFQ for Extrusion Die include?

State polymer, grade, form, and the properties the design uses.

Is a cheaper Extrusion Die the same part?

Only if polymer, form, and the documents match. A missing line is a different offer.

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

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