Tag Archives: PVA sponge

A colourful PVA Sponge

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Many have wondered about the PVA sponge colour, this is because we always see white colour sponge. Perhaps, this is the common colour used in the industrial cleaning process. In reality, this is not true. Internally, we have specially dyed the PVA sponge into several colours, such as pink, blue and green colours. So, all […]

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Compare PVA and PU Block Sponge

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PVA block sponge and PU sponge look very similar and many consumers are confused about the sponge materials. Many only know it is a foam or sponge product but unable to further differentiate the materials. In this article, we are going to list out some differences between the PVA sponge material and the PU sponge […]

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PVA Brush and Sponge

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We come across a user who asked us about the difference between the PVA brush and sponge. From our experience, in most cases, we are using the term PVA sponge while we discuss our product with users. However, in certain industries, they prefer the term PVA brush instead of PVA sponge. Base on our observation, […]

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PVA Sponge Improvement

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DST has to work very hard in order to keep a good PVA sponge quality position among the manufacturer. Among all the action, continual improvement is the momentum driving us moving toward a new era of the cleaning process. Even though we are facing severe resources restriction but this is not the reason for us […]

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More about PVA Sponge Cleanliness

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We know that PVA sponge roller is the commodity for the cleaning process, but how could we determine the sponge roller cleanliness?  A contaminated sponge brush may not only unable to clean-up the substrate surface but also contaminated the cleaning process.  This is the reason why only quality sponge roller could be used in the […]

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Detrimental Effect for Non-uniform PVA Pore Size

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PVA Foaming is the important process for making a quality PVA sponge.  In earlier article, we had discussed the parameters which affected the foaming process, furthermore, we also talked about the importance for maintaining a uniform pore size and pore structure.  In this article, we are going to reveal the detrimental effect due to non-uniform […]

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PVA Sponge Pore Structure

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In last article, the PVA sponge foaming know-how, we had discussed the pore morphology is affecting by the foaming process.  We want to talk about the pore structure so that our reader could have better understanding sponge properties. Sponge Properties – Pore Structure PVA sponge is porous material which constructed by pore structure.  There are […]

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Understand Further Colour Dye PVA Sponge

We had revealed our understanding of colour dye PVA sponge with our user.  Meanwhile, we also review the methodology for removing the colour dye or colorant inherent in a solution.  In this article, we would like to talk about the PVA sponge status after it being dye with colour. As we discuss earlier, the porous […]

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How to Remove the Colour Dye in a Solution

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Recently we encounter a colour dye PVA sponge incident.  We have applied our basic knowledge learning in school for removing the colorant in a solution.  We are using activated carbon as the adsorbent for removing the colorant, without going into details study, we do not optimizing the result by considering the dye concentration, adsorbent dose […]

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PVA Sponge Being Dye To Red Colour

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One of our customers is using our PVA sponge in a process consist of red colour dye.  They are applying the red colour dye by PU roller, however, the access colour on the PU roller has to be removed by the PVA sponge.  After a few cycle of contact, the PVA sponge will become red […]

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