Designation

Class 1 (temperature ˚C)

Class 2 (temperature ˚C)

Class 3 (temperature ˚C)

Gr alone

1067.85

2905.85

4743.85

Gr/Na

412.85

1627.85

2668.85

Gr/Cl

412.85

1628.85

2670.85

Gr/S

411.85

1279.85

2667.85

Gr/P

756.85

2584.85

5088.85

Average Gr

498.6

1780.35

3274.1

Average All

612.45

2005.45

3568.05