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Kinds of Blank Liners
Published in Carl Keller, Hydrologic Measurements with Flexible Liners and Other Applications, 2023
Other liners are made of higher and lower denier. The denier (the fabric yarn weight) of the liner also leads to more or less stiff fabric and affects the ΔPmin of the liner. FLUTe uses fabrics ranging from 70 to 840 denier with tensile strengths ranging from ∼50 to 400 lb/in., depending on the denier and the fabric construction. The strongest fabrics are of 840-denier ballistic nylon. The ballistic nylon also has a much higher tear strength as well as tensile strength. Both are important characteristics of everting liners as used in the field. The 840 ballistic nylon can withstand a higher ΔP and more abrasion than the lower denier liners. The denier is also related to the cost with the higher deniers being more expensive. On rare occasions, FLUTe has used 1000-denier fabrics that are more common in inflatable boats. However, most such boat applications use PVC-coated fabrics that are less expensive, but lack the bond strength of the coating to the fabric as compared to urethane-coated fabrics.
Stab resistance and thermophysiological comfort properties of boron carbide coated aramid and ballistic nylon fabrics
Published in The Journal of The Textile Institute, 2019
Rajkishore Nayak, Sinnappoo Kanesalingam, Lijing Wang, Rajiv Padhye
In the case of 10 mm ball impactor and AR fabric (Figure 4c), only single peak was observed for both uncoated and coated fabrics. However, multiple peaks can be observed in the case of ballistic nylon coated fabric. The occurrence of the single peak can be attributed to the ball shape which needs the highest energy for penetration. Once penetrated, the energy drops rapidly. Multiple peaks in the case of ballistic nylon can be attributed to the heavier weight and high stiffness of ballistic nylon fibres.