Tag Archives: PVA sponge

More about PVA Sponge Cleanliness

PVA Sponge Cleanliness Spec

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 roller 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

PVA Pore Morphology

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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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

Remove Colorant in solution

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

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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Why PVA Sponge Roller Shipped in Wet Form

Recently a customer asked us why some of our PVA Sponge Roller shipped in wet form and some under dry form?  Many people come across sponge roller mainly shipped under dry form, but we do have some shipped under wet form.  Let me brief you some history and the rationale behind why we do this. […]

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PVA Sponge Adhesion Study

PVA Sponge Peel Off

Getting the PVA sponge adheres on PVC surface.  Selecting the appropriate glue to adhere PVA sponge against a PVC surface is a challenging job.  DST has many years experience in PVA sponge manufacturing and adhesion application.  Over here, we would like to summarize a few points for our reader to consider while come to glue […]

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PVA Clarus Sponge

Clarus Sponge

We are very proud to announce the launch of our latest PVA sponge design, the Clarus Sponge.  PVA Clarus sponge is one of our latest invented technologies for improving surface cleaning. PVA Clarus sponge is designed and used in wet surface cleaning process.  The sponge is similar to disc type PVA sponge, however with fringe […]

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Cleaning Concept Apply in HDD Media Cleaning Process

After we published the article about the important for choosing suitable detergent for ultrasonic cleaning process, we receive a comment from a reader who wants to find out some basic of HDD media cleaning process. Knowing that hard disc drive is very particular in surface cleanliness, the reader want to learn and see what he […]

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