Moisture,less than 5 %,
Aluminium,less than 3 mg/kg,
Lithium,less than 0,5 mg/kg,
Nickel,less than 0,5 mg/kg,
Residual anhydride,less than 15 μmol/g,
Polydispersity index,less than 1,4,
Isoprene,less than 0,05 mg/kg,
Ethylene oxide,less than 0,2 mg/kg,
Free maleic anhydride,less than 0,1 %,
Total oligomeres (less than 1 000 Dalton),not more than 50 mg/kg,
Ethylene glycol,less than 200 mg/kg,
Diethylene glycol,less than 30 mg/kg,
Monoethylene glycol methyl ether,less than 3 mg/kg,
Diethylene glycol methyl ether,less than 4 mg/kg,
Triethylene glycol methyl ether,less than 7 mg/kg,
1,4-Dioxane,less than 2 mg/kg,
Formaldehyde,less than 10 mg/kg,