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Water Absorption
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Definition: (1) The amount of water absorbed by a composite material when immersed in water for a stipulated period of time. (2) The ratio of the weight of water absorbed by a material, to the weight of the dry materials. All organic polymeric materials will absorb moisture to some extent resulting in swelling, dissolving, leaching, plasticizing and/or hydrolyzing, events which can result in discoloration, embrittlement, loss of mechanical and electrical properties, lower resistance to heat and weathering and stress cracking.
Definition Copyright ©1989 CRC Press LLC. All rights reserved.

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