What is the difference between splashing water on C0, C6, and C8? Why choose C6 or C0 water splashing?

2023-09-22 | Introduction to Tactical Products

1、 In terms of fabric waterproofing effect

Both C8 waterproofing agent and C6 waterproofing agent are the most widely used fluorine based waterproofing agents in the current market. The most commonly used non fluorinated waterproofing agent is the commonly referred to as non fluorinated waterproofing agent, and some also refer to it as "ecological waterproofing agent".

Fluorine based waterproofing agents (C8 waterproofing agent/C6 waterproofing agent) have varying degrees of waterproof and oil resistant effects, while fluorine-free waterproofing agents have a single waterproof function and relatively single functionality. Based on years of research data and actual production, the effectiveness of C8 waterproofing agent is superior to C6 waterproofing agent and C0 waterproofing agent. Moreover, under the same conditions, the effect of C6 waterproof agent is generally better than that of C0 fluorine-free waterproof agent. If viewed using a simple arrangement, the waterproof performance of these three can be expressed as C8>C6>C0. Of course, with the in-depth research on C6 waterproofing agent and C0 waterproofing agent, it is unlikely that in the future, C6 waterproofing agent will have similar effects to C8 and similar results.

2、 Environmental protection

In the past, these three main waterproofing agents could all participate in import and export trade. However, on April 1, 2015, the latest environmental requirements of OEKO-TEX Standard 100 stipulated that the PFOA and PFOS content in fluorine based waterproofing agents must be less than 1ug/㎡, and carbon eight waterproofing agents are destined to be phased out in the market. Because the content of PFOA and PFOS in the carbon eight waterproof agent is basically maintained at 70-80ug/㎡, it is prohibited for substances to exceed the standard seriously, which does not meet environmental requirements. Moreover, as early as 2012, regions such as the United States, Norway, and Degai had already started banning the use of carbon eight waterproofing agents. According to current international testing standards, the detection limit of PFOA and PFOS content in carbon six waterproofing agents is below 1ug/㎡, which cannot be detected and fully complies with various international textile import and export trade standards. In other words, it means that carbon six waterproofing agents are environmentally friendly, and the US EPA explicitly declares that carbon six is not a regulated product and can participate in trade. Fluorine free waterproofing agents, which are waterproof agents that do not contain fluorine at all, and do not contain PFOA/PFOS substances, are of course environmentally friendly products and can participate in trade.

3、 Sensitivity to fabric

Whether a waterproof agent can achieve the best waterproof effect on fabrics is not only related to the performance of the waterproof agent itself, but also closely related to the fabric treatment and process. Waterproof finishing belongs to functional finishing, and can even be said to be fine chemical finishing. Waterproof finishing of fabrics often requires a smooth and clean surface, and even the removal of all residual additives on the pre treated fabric, such as wetting agents, dyeing additives, slurry residues, softeners, and other surfactants. This is actually related to the carbon chain structure of waterproofing agents. Literally, carbon eight waterproofing agents have 8 carbon chains, while carbon six waterproofing agents only have 6 carbon chains, while fluorinated waterproofing agents are waterproofing agents without carbon molecules. Of course, the more carbon chains there are, the more stable the intermolecular structure is, and of course, the stronger the adaptability to residual impurities in the fabric. Among these three, carbon eight waterproofing agent is the most stable, followed by carbon six waterproofing agent, and the most influential is fluorine free waterproofing agent. This is also why, after the use of carbon eight waterproofing agents, most functional finishing brand manufacturers have chosen carbon six waterproofing agents as substitutes.

1. The required amount for the same fabric to achieve the same effect:

If the three waterproofing agents need to achieve the same effect under the same conditions for the same fabric, then in terms of dosage, carbon eight<carbon six<fluorine free waterproofing agent; That is to say, the amount of fluorine-free waterproofing agent used is the largest, and generally speaking, the unit price of fluorine-free waterproofing agent is also relatively high. Looking at it this way, in the coming years, carbon six waterproofing agents will become even more popular.

2. In terms of technology:

In fact, from the perspective of mass production, there is no significant difference in the process between C-8, C-6, and fluorine-free waterproofing agents, and they all require baking to produce cross-linking effects. Simply put, waterproofing agents impart a waterproof effect to the fabric, which involves crosslinking on the fabric. It requires sufficient coordination of temperature, baking time, waterproofing agents, and pre-treatment of the fabric to achieve optimization.

Through the analysis of the above aspects, we have learned the advantages and disadvantages of the three types of products. Yes, the waterproof effect of carbon eight is significant, but due to environmental issues, it can only be replaced by carbon six and fluorine-free waterproof agents. Therefore, textile fabric enterprises must choose the most suitable product based on the actual needs of the company.

In fact, based on the above analysis, it is not difficult to see that the carbon eight waterproof agent has significant advantages in terms of effectiveness and finishing technology. However, it has encountered international environmental barriers in terms of environmental protection and is destined to be banned globally. Of course, in a different direction, this is also the integration of human production and the natural environment. We can only adapt to the environment and laws and regulations. From multiple perspectives, carbon six waterproofing agents and fluorine-free waterproofing agents will see a significant improvement in the coming years. Textile fabric enterprises must choose the most suitable products based on the actual needs of the company and make contingency plans in advance.

#waterproofingagent #C8 #C6 #C0



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