Acid Test

acid test

Acid Test Technical Requirements:

A. The acid test on your tools can be finished at your toolmaker in China before mold texturing & mold etching.

B. Yuan Su can act as your third-party supervision company for your tool projects to perform acid tests in China, helping to avoid welding issues and steel material differences by the toolmaker.

C. Yuan Su will issue detailed reports and feedback regarding the acid test results to ensure quality standards are met.

Before the acid test, please ensure the following operations are reviewed:

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SPI Finish

SPI finish surface standard scale
SPI finish standard plate
SPI FINISH Detail

Technical Specifications:

E. Plastic Scale: 200×145×3.5mm.
Standard scale for PP/ABS/PC materials, available in black and transparent. Produced using GF-AgieCharmilles (Switzerland) EDM/Laser technology, or through professional Etching and Sandblasting.

F. Steel Plate: 25×48mm.
Includes 12 pcs of SPI finish standard plates, precision-crafted by GF-AgieCharmilles in Switzerland.

Achieved by Polishing:

  • SPI-A1 / A2 / A3
  • SPI-B1 / B2 / B3
  • SPI-C1 / C2 / C3

Achieved by Sandblasting:

  • SPI-D1
  • SPI-D2
  • SPI-D3

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