 
 
| M aterial name | T hickness (mm) | M aterial grade | A pplicable place | 
| S tainless steel | 0.5-0.8 | 304,321,316,316L | P laces with serious corrosion caused by acid or base mediums and places not suitable for chloride ions | 
| Commercial pure titanium | 0.5-0.8 | Ti | Alkali or salt making places, sea water desalination places, low-temperature places, freezing places or places with chloride-ion corrosion | 
| Nickel | 0.5-0.8 | Ni | P laces resistant to corrosion, hot alkali liquor corrosion, neutral solutions or subacid solutions | 
| A cid-resistant steel | 0.5-0.8 | RS-2 , SM0254 , HC-276 | S ulfuric acid field and the fields with acid corrosion | 
 
 
| M aterial name | C ode | A pplicable temperature | A pplicable place | 
| NBR | N | -20~110 ºC | W ater, non-polar oil, mineral oil, lubricating oil, silicon oil, etc. | 
| EPDM | E | -20~150 ºC | S team, water, ozone, polar chemical mediums, alcohol, weak acids, weak bases, salt solutions, etc. | 
| Chloroprene rubber | C | -40~100 ºC | A mmonia, mineral roil, lubricant, freon , etc. | 
| Fluororubber | F | 0~180 ºC | I norganic acids, bases, mineral oil, halohydrocarbon and oxidant | 
| Silicon rubber | Q | -40~200 ºC | F ood field, etc. | 
 
 
 
 
