میزان مقاومت شیمیایی ترکیبات تفلون PTFE (پی تی اف ای)

در جدول زير ميزان مقاومت شيميايي سه ترکيب کربن، شيشه و برنز آورده شده است. بطور کلي ترکيبات کربن و شيشه عملکرد بهتري در محيطهاي شيميايي دارند.

Bronze

Glass

Carbon/Graphite

Chemical

A

A

A

Acetaldehyde

A

A

A

Acetone

B

A

A

Aluminum Sulphate

C

A

A

Ammonium chloride

C

B

A

Ammonium hydroxide

C

A

A

Aniline

A

A

A

Benzene

A

A

A

Brine

C

B

C

Bromine (anhydrous)

A

A

A

Carbon Disulphide

B

A

A

Chloroacetic acid

A

A

A

Chlorobenzene

A

A

A

Chloroform

C

B

B

Chromic acid

A

A

A

Citric acid

A

A

A

Diethyl ether

A

A

A

Ethylene glycol

A

A

A

Fatty acids

C

A

A

Ferric Chloride

C

A

A

Ferric sulphate

C

C

B

Fluorosilicic acid

A

A

A

Formic acid

A

A

A

Freon (liquid)

C

B

A

Hydro boric acid

C

B

A

Hydrochloric acid

C

B

A

Hydrocyanic acid

C

C

A

Hydrogen sulphide (solution)

C

A

A

Lead acetate

B

A

A

Maleic acid

C

A

A

Mercury salts

B

A

A

Molasses

B

A

A

Naphtha

B

A

A

Naphthalene

A

A

A

Nickel salts

C

B

C

Nitric acid

A

A

A

Nitro benzene

A

B

A

Phenol

C

A

A

Phosphoric acid

A

A

A

Picric acid

C

A

A

Pyridine

B

A

A

Salicylic acid

C

A

A

Silver nitrate

A

A

A

Sodium carbonate

A

B

A

Sodium hydroxide

A

A

A

Sodium nitrite

C

A

B

Sodium peroxide

A

C

A

Sodium silicate

C

A

A

Sodium sulphide

A

A

A

Starch

C

A

B

Sulphuric acid

A

A

A

Tallow

A

A

A

Tannic acid

A

A

A

Tartaric acid

B

A

A

Trichloroethylene

C

A

A

Zinc chloride

  •  A = عالي
  • B = متوسط
  • C = نامطلوب