Sulfur-free paper is a special kind of paper mainly used for packaging food, medicine and other sensitive items. It is called "sulfur-free" because no vulcanizing agents are added during its manufacturing process.
Sulfur-free paper generally has a lower flash point. The flash point of sulfur-free paper may vary depending on the brand and manufacturer of the product. Generally speaking, the flash point of sulfur-free paper is roughly between 200°C (392°F) and 250°C (482°F).
However, it should be noted that the ignition point may be affected by many factors, such as the thickness, density, humidity, coatings or additives on the paper, etc. Therefore, when specifically using or handling sulfur-free paper, it is recommended to refer to the technical specifications of the relevant product or consult the manufacturer for flash point information. Also, ensure that adequate ventilation and safety measures are provided in all circumstances to prevent fire and other hazards.
And pharmaceuticals: Sulfur-free paper can be used in some applications in the pharmaceutical industry, such as packaging materials, packaging for manufacturing pharmaceuticals and various laboratory operations.
Electronics industry: Sulfur-free paper is often used for packaging electronic products. Because sulfur-free paper has antistatic and insulating properties, it can be used to protect electronic product parts and circuit boards.
It is important to note that while sulfur-free paper is useful in many applications, it is not suitable for every situation. For applications with special requirements, such as high temperature environments or exposure to special chemical compositions, other special materials may be required. Therefore, when choosing a paper type, make sure you choose the right material for your specific use and requirements.
Pulp and paper making: The mixed and additive-treated pulp is injected into the pulp and paper machine. The paper machine distributes the pulp evenly on the wire, and then converts the pulp into paper through processes such as extrusion, drying and heating.
Processing: The resulting paper undergoes processing, such as special coatings or a polished surface, to provide the specific properties and appearance required.
Testing and quality control: Strict testing and quality control are carried out on the sulfur-free paper produced to ensure that it meets the requirements of product specifications and standards.
Packaging and leaving the factory: Pack the produced sulfur-free paper, store and transport it appropriately, and prepare it for sale out of the factory.
It should be noted that different manufacturers and production processes may be different, so the actual sulfur-free paper production process may have some changes. The above is only a general description, and the specific production process should be adjusted and optimized according to the actual situation.