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Vehicle Decal Specification Example for Aftermarket Retail: Waterproof Version

Source:Car Cooling System / Time:2026-09-18

Vehicle Decal Specification Example for Aftermarket Retail: Waterproof Version

This is a worked specification for vehicle decal in a waterproof version programme. It is the document we would send a buyer who asks what exactly they are getting: the material, the dimensions that are actually controlled, the finish, and the checks that happen before anything is packed.

The waterproof version version exists because the duty cycle on aftermarket retail is not the same as on a showroom vehicle. Where the two are specified identically, something fails later — usually a supplier who changed material without saying so.

Vehicle Decal

Example specification

ItemVehicle Decal
ApplicationAftermarket Retail
VersionWaterproof Version
Base materialAnodised Aluminium
Controlled dimensions3 key dimensions, recorded per lot
Tolerance band±0.05 mm
Finishpainted
MOQ200 pieces per specification
Sampling14 working days, 3 days per revision
ComplianceSGS

How the example is built up

  1. Start from the duty cycle, not from the catalogue photograph.
  2. Fix the base material in writing — Anodised Aluminium, in this example.
  3. List the dimensions that are actually controlled and the tolerance on each.
  4. Name the finish and what it has to survive.
  5. State the inspection level and who pays when a lot fails.

Vehicle Decal example

Processes involved

  • assembly line testing
  • heat treatment
  • cold forging
  • injection moulding
  • ultrasonic cleaning
  • anodising

Where this example applies

Programmes that run waterproof version most often specify this build for aftermarket retail. Related applications include fleet maintenance, workshop replacements, dealership service, municipal fleets, passenger cars.

Checks before packing

  • Dimensional report against the approved drawing.
  • AQL 2.5 sampling on the finished lot.
  • Finish inspection under agreed lighting.
  • Carton drop test on the first lot of a new packing specification.

Questions buyers ask

How long does sampling take?

Samples leave the factory in 14 working days, and each revision round adds about 3 days once you have seen the first piece.

Can the specification be held on file?

Yes. Once approved, the specification is recorded against your part number so a reorder reproduces the SGS-compliant build instead of a fresh interpretation.

What happens if a lot fails inspection?

The lot is re-inspected against the golden sample, and replacement pieces ship on the next available booking at our cost.

Can you match an existing sample?

Send a sample and we will reverse-engineer the specification, then produce a counter sample for approval before any bulk starts.

Send the part number, the annual volume and the target market, and we will come back with a specification and a sampling plan.

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