... to chemicals and solvents, are not attacked by moths or mildew, and are nonallergenic. Among their uses are in apparel linings, furlike ... views they have an irregular shape. Modacrylic fibers are also produced in many different lengths, crimp levels, and they can have ... care; therefore, it is important to know how to care for modacrylics. Modacrylics are resistant to acids, , and organic solvents. ...