What is the shrinkage rate of ABS?

[LeAlexandra]

ABS has a normal shrinkage rate of 0.45%. Introduction to ABS: ABS material is a graft copolymer composed of three monomers: acrylonitrile, 1,3-butadiene, and styrene. ABS is not affected by water, inorganic salts, alkalis, and various acids, but it can dissolve in ketones, aldehydes, and chlorinated hydrocarbons. Exposure to glacial acetic acid or vegetable oil can cause stress cracking. ABS has poor weather resistance and tends to degrade under ultraviolet light; after six months outdoors, its impact strength decreases by half. Introduction to shrinkage rate: Different raw materials have different shrinkage rates. Generally, fibers with high hygroscopicity will expand in diameter and shorten in length when soaked in water, resulting in a higher shrinkage rate. For example, some viscose fibers have a water absorption rate of up to 13%, while synthetic fiber fabrics with low hygroscopicity have a smaller shrinkage rate. Density also affects shrinkage rate. If the warp and weft densities are similar, their shrinkage rates will be close. Fabrics with higher warp density will have greater warp shrinkage, and conversely, fabrics with higher weft density will have greater weft shrinkage.