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10in, No. 635 (20µm) Nylon Square is designed to fit non-metallic or brass two-part sieve frames. Square has a circle of tough, resilient material embedded in the mesh to act as a sealing gasket. Opening sizes are equivalent to ASTM E11 sizes, but may not meet tolerance specifications.
Nylon material is highly resistant to abrasion, has high tensile strength, and resists higher pH levels but is susceptible to stretching in the water.
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