Japanese

Chinese

Modacrylic fiber, Kanecaron® / Protex® is a performance fiber that has the characteristics of high flame retardancy (FR).

The Advantage of Kanecaron / Protex

Chemical Resistance



Kanecaron/Protex has superior chemical resistance to both acid and alkaline environments. It can be used in filters, workwear, battery separators, industrial materials, etc... Certain solvents listed below will dissolve Kanecaron/Protex under specific conditions.

Acid resistance
(Sulfuric acid 70%, 80°C×20H)

Graph:Acid resistance

Alkali resistance
(Sodium hydroxide 50%, 80°C×20H)

Graph:Alkali resistance
Note: The above are test results conducted by Kaneka Corporation and are not guaranteed.

Immersion test results of Kanecaron (KCE 3.3dtex)

CHEMICALS Concentration
(wt%)		 Temperature
(°C)		 Shrinkage
(%)		 Retention of Strength
(%)		 Retention of Break Elongation
(%)		 Weight Loss
(%)		 Appearance
INORGANIC ACIDS
AQUA REGIA 25 100 5.2 93.8 113.4 0.2 *
Chromic Acid 25 50 -4.2 98.9 105.6 0.0 No effect
Hydrochloric Acid 36 100 7.8 85.1 143.1 0.0 * *
Nitric Acid 20 100 6.7 79.6 137.2 0.2 *
Phosphoric Acid 85 100 1.3 88.7 115.0 0.0 *
Sulfuric Acid 70 50 -1.3 108.0 106.6 0.2 *
Sulfuric Acid
(100hr.immersion)		 40 100 0.7 91.3 117.8 0.0 No effect
ORGANIC ACIDS
Acetic Acid 25 100 3.9 89.1 128.4 0.0 *
Acetic Acid 75 100 35.6 57.8 224.1 0.0 * *
Benzene Sulforic Acid 50 50 3.3 97.8 91.9 0.0 No effect
Formic Acid 100 50 108.8 33.8 423.4 6.3 *
Phenol 5 22 5.6 68.7 123.4 0.0 Phenol color
BASES
Potassium Hydroxide 25 100 7.5 82.5 112.5 0.0 * *
Potassium Hydroxide 50 50 0.0 95.3 110.0 0.0 No effect
Sodium Hydroxide 25 100 7.8 81.5 103.8 0.0 * *
Sodium Hydroxide 50 50 -2.3 100.4 100.6 0.0 No effect
INORGANIC SALTS (In Aqueous Solutions)
Calcium Thiocyanate 50 100 9.8 84.4 113.1 0.0 *
Ferric Nitrate 50 100 3.6 89.8 121.6 0.0 * *
Sodium Acetate 50 100 4.6 101.5 115.0 0.0 *
Sodium Bichromate 50 100 11.4 98.5 116.9 0.0 * * *
Zinc Chloride 50 100 11.4 96.7 130.6 0.0 *
MISCELLANEOUS ORGANIC CHEMICALS
Acetone 10 50 2.0 96.7 104.4 0.0 No effect
Normal Butyl Alcohol 100 100 12.7 84.0 131.9 0.0 No effect
Monoethanolamine 25 50 -1.0 105.8 102.2 0.0 No effect
Diethanolamine 25 50 -1.3 109.8 107.5 0.0 No effect
Triethanolamine 25 50 1.0 102.5 98.8 0.0 No effect
Ethyl Acetate 100 50 -2.6 104.7 99.1 0.0 No effect
Ethyl Alcohol 100 50 -1.3 95.3 101.9 0.0 No effect
Ethylene Glycol 100 100 16.3 79.6 146.6 0.0 * *
Formaldehyde 37 50 -1.3 101.1 99.7 0.0 No effect
Hydrazine 25 50 -19.6 96.7 103.4 0.0 *
Monochlor benzene 100 50 3.9 101.1 118.4 0.0 No effect
Perchlorothylene 90 50 4.9 98.9 103.8 0.0 No effect
Chloroform 100 22 -3.6 98.9 98.4 0.0 No effect

The number of " * " indicates the level of color change.

Note: The above are test results conducted by Kaneka and are not guaranteed.