1、 Raw material safety: the natural advantage of polypropylene
The main raw material for PP nonwoven fabric is polypropylene (PP), which itself has high chemical stability. Just like mineral water bottles, they do not release harmful substances at daily temperatures. During the production process, plasticizers and other potentially toxic additives are not added, ensuring the safety of materials from the source.
2、 Process control: Transformation under high temperature
During the manufacturing process, polypropylene fibers are formed through high-temperature melt blown or spunbond processes. This physical change is similar to melting ice into water and then freezing it, without producing new chemicals. Legitimate manufacturers will strictly control the production environment to avoid pollution risks during the processing.
3、 Application testing: Multi scenario verification
From medical masks to food packaging, PP nonwoven fabric has undergone strict practical application testing. Under normal usage conditions, including contact with skin or short-term exposure to food, there will be no toxicity issues. However, it should be noted that long-term high temperature (over 120 ℃) environments may affect material properties.
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