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About Qingya Paper 12 Methods for Fiber Identification (3) --- Melting Point Method user manual | Qingya Paper

January 23, 2025
Chengdu Qingya Paper Industries Co., Ltd. constantly develops new  products in view of market demands.




12 Methods for Fiber Identification (3) --- Melting Point Method:

Different melting points of various chemical fibers can also be used for fiber identification. For example, the melting points of nylon 6 and nylon 66 are different, with the former being 216°C and the latter 244°C. The melting point of chemical fibers can be determined by observing the temperature at which the fibers lose birefringence under a polarized light microscope equipped with a heated stage and thermometer. The melting point method is suitable for identifying certain synthetic fibers that have a distinct melting point.


About Qingya Paper

Company Profile Chengdu Qingya Paper Co., Ltd., founded in 2007, is a professional enterprise committed to bamboo pulp and bagasse pulp products. In the bamboo paper industry, we have a profound accumulation of over twenty years. Our product portfolio is diverse, including bamboo pulp kraft paper, bamboo pulp copy paper, bamboo pulp series of household paper, etc., mainly using bamboo pulp fiber and wood pulp fiber as raw materials. The company has long supplied bamboo pulp and sugarcane pulp as well as semi-finished paper products and also provided professional paper OEM processing services. Our company owns independent brands like "QY" and "Zhuqingzhu". Our products, with bamboo pulp as the main raw material, cover bamboo pulp copy paper, bamboo pulp household paper, bamboo fiber wet wipes and other bamboo fiber products and are popular globally. The company always adheres to the principles of stable quality and top reputation, winning high acclaim and full trust from a large number of agents and customers. As people's environmental awareness keeps growing, bamboo pulp paper products are attracting increasing attention. Qingya Paper has also contributed its share to the environmental protection cause. Currently, we have established good business cooperation relationships with countries and regions such as the United States, Africa, Europe, and the Middle East. Meanwhile, we warmly welcome other foreign customers to contact us to jointly explore the broad market.


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