TUNAP advises workshops on DPF ash and soot removal

Patented chemical formula dissolves soot and absorbs ash

TUNAP advises workshops on DPF ash and soot removal
Do DPF cleaners remove ash and soot? TUNAP say it's become a hot topic in recent months.

TUNAP has this week urged garage owners and technicians to question if DPF cleaners remove both the soot and ash content from inside blocked diesel particulate filters (DPFs).

Soot is created through the combustion process and is caught inside the DPF.

When the vehicle gets to the correct temperature the vehicle does a DPF regen and burns the soot to ash to lower the contents inside.

According to TUNAP, it works out roughly that one kilogram of soot will create five grams of ash and the rest is turned into energy in the form of gasses, reducing the mass inside the DPF.

The ash sits inside the DPF and slowly builds up over time until eventually they become full of ash.

DPF life span

A TUNAP spokesperson said: “Some DPF cleaners on the market are unable to remove the ash content inside the DPF and will only remove the soot.

“This may help vehicles in the short term but if the problem is the ash level becoming too high then the vehicle will be back quickly with the same issue.”

TUNAP claims that its DPF cleaner is one of the few on the market that will remove both the soot and ash content inside the DPF and “bring it back to near factory condition”.

The patented chemical formula dissolves the soot and absorbs the ash content inside the DPF.

Then, through a forced regeneration and steaming process, the soot and ash will exit the vehicle through the exhaust as a form of white smoke/steam.

Independent tests

The spokesperson added: “This process has been tested by independent companies like TUV and VERT proving the success of the DPF cleaning process.

“The results show that the process removes both the soot and ash content inside the DPF.

“These test results are public and TUNAP is always willing to show these to customers to prove the effectiveness of the product.”

The chemical company claims that it’s the only one in the UK that has its DPF cleaning system approved under warranty with several major manufacturers following months of vigorous testing on all vehicle types to prove the effectiveness and safety.

For further information about TUNAP, select ‘more details’ below.

Home Page Forums TUNAP advises workshops on DPF ash and soot removal

  • This topic has 6 replies, 2 voices, and was last updated 1 year, 1 month ago by Andrew Trafford.
Viewing 6 posts - 1 through 6 (of 6 total)
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  • #174799 Reply
    Brett wood

    I’m interested in looking at the proof that the tunap product can dissolve ash enough to turn it into steam and smoke seeing as ash is the waste product of the regeneration process I’m quite sure this is not possible so I think this is misadvertising I look forward to your responce

    #174807 Reply
    Andrew Trafford

    Hi Brett, Thank you for your interest regarding our DPF cleaner and the ability of our cleaner to remove ash as well as soot. I can confirm that our cleaner unlike our competitors products does remove ash. This is a major benefit as this extends the life of the filter. We carry out testing with our manufacturer partners unfortunately these tests cannot be made available. We do have independent testing with DINEX that also confirms a significant reduction in the ash content in the filter following a clean using the TUNAP DPF cleaning system. Please can you get in touch and give us your contact details so I can organise one of our field team to make the DINEX report information available for you to confirm the results of the ash reduction. Thank you once again for your interest. Andy Trafford

    #174855 Reply
    Steve Bassett

    I’m a sceptic when it comes to the claims of products like this. I don’t doubt that soot removal is possible, but when it comes to the ash, I very much doubt it. Please surprise me. Steve

    #174908 Reply
    Andrew Trafford

    Hi Steve,
    Please give me your contact details and I will organise one of our field representatives to contact you and show you the test results. Andy Trafford

    #175329 Reply
    john carghill

    I am interested in this “Technology” and your claims that this procedure dissolves and removes ash, but you seem to be short on details as to how this occurs, I understand the patenting concerns you might have with a new product but the mechanisms that are chemically created need to be explained , for example verified readings can be taken from VCDS diagnostics on a VAG diesel using individual block advanced measurements giving soot and ash content , all you need to do is get readings from VXDS BEFORE THE PROCEDURE THENN AGAIN AFTER THE PROCEDURE and have this verified by independant parties .
    sadly the fact that (perhaps conveniently) the results of your tests carried out with manufacturers cannot be made available suggest a snake oil product . I dont wish to be harsh but if you have something that really works you should be informing your potential customer base of how it actually works, and give your product a proper chance of success when you launch it, it just smacks of another “Miracle Hair restorer” story otherwise. I would say shout it from the roof tops if this product really does what you say it does. Kind Regards John

    #175397 Reply
    Andrew Trafford

    Hi John, thank you for your interest. The reports following the tests from manufacturers and independent testers are quite detailed and cover lots of parameters not just the ash. As I have offered in my previous replies, please give me your contact details and I will arrange for on of my Technical Products Specialists to visit you and go through the results from the testing. I hope that you will then confirm the results as an independent garage wire reader. I look forward to hearing from you. Andy Trafford

Viewing 6 posts - 1 through 6 (of 6 total)


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