Physical Properties

Chemical Resistance

  • High resistance to various chemicals

  • High alkali resistance in particular

KURALON is hardly affected by alkali due to the presence of the OH radical in its molecular chains. KURALON retains good performance when used in alkaline environments such as reinforcing cement.

Chemicals Test condition Strength retention
Concentration
(%)
Temperature
(℃)
Time
(hour)
KURALON
(%)
Polyester
(%)
Polyamide
(%)
Rayon
(%)
Alkalis Sodium hydroxide 1 100 100 100 29 75 71
40 20 10 100 97 82 0
Acids Hydrochloric acid 10 20 1 100 100 76 83
10 20 10 100 95 77 69
Salts Sodium chloride 3 100 10 100 100 84 98
Organic solvents Acetone 100 20 1000 89 100 88 100
Oils Mineral oil 100 100 10 100 100 100 10

※Soak under fixed load (Kuraray data)

Alkali resistance

※In cement water at 80℃ with load (Kuraray data)

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