PVA FIBER
$1.00
Polyvinyl alcohol fiber with high strength and high modulus polyvinyl alcohol (PVA) as the main raw material, made by wet spinning process. The product has a high modulus, high strength, low elongation, pollution-free, non-toxic, and with acid, alkali, salt, abrasion, sunlight, corrosion, enzymes borers, cracking, anti-penetration, anti-UV, antiaging properties. The essential characteristic of these reinforcements is to absorb and distribute throughout the entire length – and thus attenuate – the tensions that are created in the material by an external load applied to the object.
At the first, PVA fiber has high tenacity and modulus of elasticity compare with other general organic fiber.
Second, bonding strength between fiber and cement matrix is strong. Also it is possible to control bonding strength by surface treatment.
At last, good durabilityhas been proved by long terms field test,and it has been used as fiber cement slate over twenty years ,because PVA fiber has got wide acceptance as a less hazardous and reasonable cost alternative.
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