What is the material of a memory pillow?

　　Memory pillows are made from slow-rebound material; they do not enhance memory. Rather, they help maintain the natural shape of the head and neck that is established by regularly used pillows. Most memory pillows are indeed slow-rebound pillows.

　　Most memory pillows are slow-rebound pillows. Well-known brands typically use imported materials, whereas domestically produced versions often rely on sponge-based materials laced with chemical additives, resulting in a pungent odor that can be harmful to health and delivers inferior performance. When the body comes into contact with the material, it senses body temperature and gradually softens, conforming to the contours of the body and evenly distributing pressure to help the user assume a comfortable posture.

　　What material is a memory pillow made of? Let’s analyze this together below.

　　Memory pillows are made from memory foam, an open-cell material originally developed by NASA in the 1960s. This material is characterized by its ability to relieve pressure in response to temperature changes and is therefore also referred to as a thermoregulatory pressure-relief material. It was initially used to alleviate the pressure experienced by astronauts—particularly the significant and potentially hazardous stress placed on their spines during the landing phase of space shuttle missions. To safeguard astronaut safety, this innovative material was invented. In the 21st century, advances in space science and technology will make substantial contributions to research on human life sciences.

　　What are the performance characteristics of a memory pillow? Let’s analyze them together below.

　　Excellent protective performance and superior chemical resistance: it provides chemical inertness and effective liquid barrier protection against most acids, bases, and salts. It is a porous material with excellent air permeability. Due to its fine fiber structure, liquids such as water and oil are difficult to penetrate, while gases and water vapor can pass through, resulting in outstanding waterproof yet breathable properties.

　　Solid particle impermeability: Its unique physical structure completely blocks tiny mites and dust, preventing penetration. Antibacterial performance: Suitable for packaging sterile medical products. Low linting: Highly durable and does not generate lint.

　　High strength and excellent dimensional stability: easy to process, non-absorbent, so its dry-state and humid-state strength remain unchanged. Due to the inherent properties of the material, its dimensional stability is essentially unaffected by changes in humidity. Under constant temperature conditions, it maintains good dimensional stability across a relative humidity range of 0% to 100%. It retains toughness and flexibility down to –73°C, begins to shrink at 118°C, and starts to melt at 135°C. Therefore, the heating temperature should not exceed 79°C; to prevent deformation, this textile is not recommended for ironing. Excellent fold resistance: it can withstand more than 20,000 repeated folds, demonstrating outstanding durability.