Polyurethane laminate (PUL) is a compound fabric made by laminating a cloth fabric to a thin film of polyurethane. Polyurethane laminated fabrics have a wide range of applications in medical, automotive and garment uses, PUL generally refers to a specific type used by makers of resuable incontinence products and accessories such as nappies, wet bags, and cloth menstrual pads.
Most PUL fabric is made by laminating lightweight polyester interlock knit fabric to a 1 mil thick film of polyurethane. There are two processes used for lamination: solvent lamination which fuses the fabric and polyurethane film into a single monolithic fabric and hot melt which uses heat activated glue to adhere the fabrics together.
This laminated fabric is useful as a wind and/or water barrier in the construction of fluid-splash protecting garments, shower curtains, outerwear clothing, however it is primarily used for making cloth nappies / diapers and cloth menstrual pads. It can be machine-washed and dried.
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