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  1. nightrain

    Problem in EPDM based rollers

    I see... do you have starting recommebdation on how many phr the pf resin as tackifier ? Or is there any better option ?
  2. nightrain

    Problem in EPDM based rollers

    Hello. Currently i am having problem of my EPDM rolls, the layers of the rubbers are separating. i have purchased a PF resin named Durez 19900. I would like to know if this is the right solution for my problem. Also PF resin as tackifying agent, do i need to add HMT ? Here is the formula i...
  3. nightrain

    Air trap in epdm rubber compound

    Hi guys, Currently i am having a problem with my epdm compound formula, the problem is that there are many air traps / blisters on the surface of the calendared blank sheet. Here are the formula below: Vistalon 7001 100 phr Clays 325 mesh 140 phr Calcium carbonate 400 mesh 230 phr N-330...
  4. nightrain

    Rubber blooming problem, please help !!!!

    Hi all. At the moment i am having blooming problems with my finished rubber products, can you guys give advises regarding the formulas and if there is any ingredients in it that causing the bloom ? Also, what solvent can i use to clean these mats, will the bloom come back again ? RSS4= 90 phr...

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