Thermal bonded polyester wadding for winter clothes/sintepon batting for comforters Non-glue cotton is a new type of insulation material, is the product of collodion cotton, imitation silk. Non-glue cotton is different from spray-bonded cotton, fixing method it is not used in the raw material but the latex with low melting point fiber mixed in a certain quantity or bicomponent fiber, in the production process by heating, melting line between the fibers.