Industrial application of carrier tissue for diapers

As the core category of disposable sanitary products, the absorption performance, wearing comfort, and structural stability of diapers directly depend on the quality of the core matching materials. Specialized carrier tissue is not an ordinary household paper product, but an indispensable functional substrate in the diaper absorption system, which is the key hub connecting the non-woven fabric layer and the core absorption layer. Data shows that by 2024, the market size of baby diapers in China will exceed 68 billion yuan, and the growth rate of adult incontinence products market will exceed 18% for four consecutive years, driving an annual demand for specialized toilet paper of over 1.2 million tons. The industry is accelerating its upgrading towards ultra-thin, high functionality, green and safe products.

（1） Two core application scenarios

1. The upper and lower wraping layers of the core body (mainstream application, accounting for 75%) wrap the fluff slurry and SAP particles to prevent the core body from shifting, lumping and faulting during wearing and activity, and lock the absorbed gel to avoid leakage and reverse osmosis. Industry data shows that using qualified specialized wrapping paper for diapers can reduce the core fracture rate to below 0.3%, while replacing regular paper products can cause the fracture rate to soar to over 8%, greatly affecting the user experience.

2.The surface flow guiding lining layer (standard for high-end models, accounting for 25%) is laid under the non-woven fabric layer, using capillary action to achieve rapid diffusion of urine, avoiding local liquid accumulation and improving absorption efficiency. Test data shows that high-quality carrier tissue raw materials can shorten the urine absorption speed from 60 seconds to 25-35 seconds, reduce the amount of reflux by more than 60%, and effectively reduce the problems of red buttocks and stuffy skin in babies.

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