Random cut flocks.A broad line of cotton, nylon, polyester and cellulose (wood) flocks is available for use in rubber compounding. With the exception of CDV-10 and sisal material, these flocks are random cut, very short fibers (typically averaging about 100 microns in length). The Akroflocks are said to benefit rubber compounders in seals, where flock increases tear strength and improves dimensional stability dimensional stability, n See stability, dimensional. and stiffness; rolls, where nylon and cotton flocks impart abrasion abrasion /abra·sion/ (ah-bra´zhun) 1. a rubbing or scraping off through unusual or abnormal action; see also planing. 2. a rubbed or scraped area on skin or mucous membrane. and chip resistance; belting, where cotton flock, applied prior to cure, prevents air trapping Air trapping (or gas trapping) is an abnormal retention of air in the lungs after expiration. It is observed in obstructive lung diseases such as asthma, and chronic obstructive pulmonary disease. The cause is obstruction such that the patient is unable to expel air completely. with minimum effect on adhesion; molded goods, where fiber and wood flours Wood flour is finely pulverized wood that has a consistencey fairly equal to sand, but can vary considerably, with particles ranging in size from a fine powder to roughly the size of a grain of rice. prevent cut growth and increase tear and modulus, and where they also allow air to bleed from the stock, which prevents blisters; and in molded open cell sponge, where wood and cotton flocks prevent cell wall collapse after cure. Akrochem www.akrochem.com |
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