| Sostanza | Gomma butilica | Lattice | Polietilene clorurato |
Uretano |
PVC |
Nitrile |
Neoprene |
Altro |
| Calcium Acetate | 1 |
4 |
1 |
2 |
2 |
|||
| Calcium Bisulfite | 4 | 1 |
1 |
1 |
1 |
1 |
||
| Calcium Carbonate | 1 | 1 | 1 | 1 | ||||
| Calcium Chloride(30%) | 1 | 1 |
1 |
1 |
1 |
1 |
||
| Calcium Hydroxide | 1 |
1 |
1 |
1 |
1 |
1 |
||
| Calcium Hypochlorite | 4 | 1 |
4 |
1 |
3 |
3 |
||
| Calcium Nitrate | 1 | 1 |
1 |
1 |
1 |
1 |
||
| Calcium Sulfide | 1 |
1 |
1 |
2 |
1 |
|||
| Cane Sugar Liquors | 1 |
4 |
1 |
1 |
1 |
|||
| Carbamate | 1 |
4 |
1 |
3 |
2 |
|||
| Carbitol | 1 |
3 |
2 |
2 |
2 |
|||
| Carbolic Acid | 4 | 1 |
3 |
1 |
4 |
3 |
||
| Carbon | 4 |
4 |
||||||
| Carbon Disulfide | 4 |
4 |
4 |
4 |
4 |
4 |
4 |
Preferibile Neoprene |
| Carbon Dioxide | 1 |
1 |
1 |
1 |
2 |
|||
| Carbon Disulfide | 4 |
4 |
4 |
4 |
4 |
4 |
4 |
|
| Carbon Monoxide | 4 | 1 |
1 |
1 |
1 |
1 |
||
| Carbon Tetrachloride | 4 |
3 |
3 |
4 |
4 |
3 |
3 |
|
| Carbonic Acid | 3 | 1 |
1 |
1 |
2 |
1 |
||
| Castor Oil | 1 |
1 |
2 |
1 |
1 |
|||
| Caustic Soda (50%) | 4 |
4 |
||||||
| Cellosolve | 2 |
3 |
2 |
4 |
2 |
4 |
3 |
|
| Cellosolve Acetate | 1 |
4 |
2 |
4 |
2 |
4 |
3 |
|
| Cellulube | 1 |
2 |
2 |
4 |
4 |
|||
| Chloral | 3 |
|||||||
| Chlorinated Naphthalene | 4 |
3 |
||||||
| Chlorinated Solvents | 4 |
X |
4 |
4 |
4 |
|||
| Chlorine | 4 | 1 |
||||||
| Chlorine Dioxide | 1 |
4 |
1 |
4 |
4 |
|||
| Chlorine Trifluoride | 2 |
4 |
2 |
4 |
4 |
|||
| Chlorine (Dry) | 4 | 1 |
4 |
2 |
4 |
3 |
||
| Chlorine (Wet) | 3 | 1 |
4 |
4 |
4 |
4 |
||
| Chloro 1-Nitro Ethane, 1- | 4 |
4 |
4 |
4 |
4 |
|||
| Chloroacetic Acid | 1 |
4 | 1 |
4 |
1 |
4 |
4 |
|
| Chloroacetone | 3 | 4 |
4 |
4 |
4 |
2 |
||
| Chloroacetonitrile | 1 |
4 |
||||||
| Chlorobenzene | 3 |
4 |
4 |
3 |
4 |
4 |
4 |
|
| Chlorobromomethane | 4 |
4 |
X |
4 |
4 |
4 |
||
| Chlorobutane | 3 |
|||||||
| Chlorobutadiene | X |
X |
X |
4 |
4 |
|||
| Chlorodibromomethane | 3 |
4 | ||||||
| Chlorododecane | 1 |
X |
3 |
4 |
4 |
|||
| Chloroethanol, 2- | 1 |
1 |
||||||
| Chloroethene | 4 |
3 |
||||||
| Chloroethylene | 4 |
3 |
||||||
| Chloroform | 4 |
4 |
4 |
4 |
4 |
4 |
4 |
Preferibile Nitrile |
| Chloronaphthalene | 4 |
4 |
3 |
|||||
| Chloronaphthalene, O- | 4 |
1 |
4 |
3 |
4 |
4 |
||
| Chloronitropropane | 4 |
|||||||
| Chloropropanol | 4 |
|||||||
| Chloroprene | 4 |
4 |
4 |
|||||
| Chloroprene, 3- | 4 |
4 |
4 |
|||||
| Chlorosulfonic Acid | 1 |
4 |
1 |
4 |
4 |
|||
| Chlorotoluene | 3 |
X |
2 |
3 |
4 |
|||
| Chlorox Solution | 1 |
3 |
2 |
2 |
1 |
|||
| Chloro-1-propanol, 3- | 1 |
|||||||
| Chloro-2-methylpropene | 4 |
|||||||
| Chloro-2-propanol, 1- | 1 |
|||||||
| Choloro-2-Nitropropane, 2- | 1 |
|||||||
| Chrome Plating Solutions | 1 |
4 |
1 |
4 |
4 |
|||
| Chromic Acid (dil.) | 3 |
2 |
3 |
|||||
| Chromic Acid (conc.) | 4 |
1 |
4 |
1 |
3 |
4 |
||
| Cis, trans-1,2-dichloroethylene | 4 |
3 |
||||||
| Cis-dichloroethylene | 4 |
|||||||
| Cisplatin | 2 |
2 |
||||||
| Citric Acid | 1 |
1 |
1 |
1 |
1 |
1 |
||
| Coal Tar Products | 3 |
3 |
3 |
1 |
2 |
|||
| Cobalt Chloride | 1 |
4 |
1 |
1 |
1 |
|||
| Cocoanut Oil | 1 |
1 |
1 |
1 |
2 |
|||
| Cod Liver Oil | 1 |
1 |
1 |
1 |
2 |
|||
| Coke Oven Gas | 2 |
4 |
2 |
4 |
4 |
|||
| Copper Acetate | 1 |
4 |
1 |
2 |
2 |
|||
| Copper Chloride | 3 | 1 |
1 |
1 |
1 |
1 |
||
| Copper Cyanide | 1 | 1 |
1 |
1 |
1 |
1 |
||
| Copper Sulfate | 3 | 1 |
1 |
1 |
1 |
1 |
||
| Corn Oil | 1 |
1 |
1 |
1 |
3 |
|||
| Cottonseed Oil | 1 |
1 |
1 |
1 |
2 |
|||
| Creosote | 3 |
2 |
3 |
2 |
2 |
|||
| Cresol | 4 |
1 |
4 |
3 |
4 |
2 |
||
| Cresylic Acid | 4 | 1 |
4 |
1 |
4 |
3 |
||
| Crotonaldehyde (83%) | 1 |
3 |
||||||
| Cumene | 2 |
4 |
2 |
4 |
4 |
|||
| Cyclohexane | 3 |
4 |
1 |
2 |
3 |
2 |
4 |
|
| Cyclohexanol | 1 |
4 |
1 |
3 |
3 |
1 |
2 |
|
| Cyclohexanone | 1 |
4 |
4 |
4 |
4 |
4 |
4 |
|
| Cyclohexylamine | 3 |
4 |
4 |
3 |
||||
| Cymene, P- | 4 |
4 |
4 |
4 |
4 |