... of thresholds a) Thin: -30%, -40%, -50%, -60%b) Thick: +35%, +50%, +70%, +100%c) Neps: +140%, +200%, +280%, +400%6 ... range of 10s - 99.5min7) Testing times: no more than 2088) Time for preheat: no less than 20min9) Temperature: 20±3°C10) Relative moisture: ≤65 ...