What is the tolerance threshold under the EU-Mexico?

The general tolerance is 10% of the ex-works value of the finished product.

EU-Mexico - HS 75

EU-Mexico Global Agreement (FTA part)

2 reglesTolerance: 10%2000

7501-7503Nickel mattes, nickel oxide sinters and other intermediate products of nickel metallurgy; unwrought nickel; nickel waste and scrap

Manufacture in which all the materials used are classified within a heading other than that of the product.