Tek-Tips is the largest IT community on the Internet today!

Members share and learn making Tek-Tips Forums the best source of peer-reviewed technical information on the Internet!

Register Log in
  • Congratulations MintJulep on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

Search results for query: *

  1. JDLSHF

    Roller - Die // Deformation issue

    Hi there. Well, my contribution is the following: it seems, if i'm correct in what i read, that you already have the answser. If you are having problems with the calendered material's geometry, but in width, would mean you are not having enough swelling. The calendered does not control your...
  2. JDLSHF

    MTT/HPCA Acceleration system VS ETU&MgO on CR rubber compounds

    Metten Thanks for the reply. Yes, ETU is being "banned" gradually from usage, and hence my post with alternative vulcanization systems to it. But what I have are samples of MTT and HPCA, so, I'm trying to work with that now. Thanks.
  3. JDLSHF

    MTT/HPCA Acceleration system VS ETU&MgO on CR rubber compounds

    Grettings! I don't know about fellow rubber manufacturer's health and safety issues, but in the company that I work in, there is a starting interest to substitute on polychloroprene rubber compounds the typical ETU with MgO curing system with alternatives, such as MTT with HPCA (and only these...
  4. JDLSHF

    Improvement of surface on rubber roller

    Grettings! Have you tried manually sandpaper the roll? Not with any machine, but human hands and a fine, water sandpaper, sheet? Sometimes the human hand can have that dampening effect on rough things, and can regulate the applied force. But depending on the rubber, you might really have to...
  5. JDLSHF

    Resting of rubber bases before acceleration finals (two cycle mixing)

    stancom: I would agree with you, and I truly believe that in some cases, it's just a, lets say, precaution measure. But one of the cases that I found, was a thread mix started to have some problems in the final application (rethreading of a tyre carcace), and the main issue was cracking of the...
  6. JDLSHF

    Exudation problem in EPDM compound

    Grettings! Both comments will be correct. I don't know if nestorberasain receives technical specs of the material, or can run lab tests on reception. It's not the first and will not be the last that sent material is not in specs, even if said specs are sent. And sometimes it is not even the...
  7. JDLSHF

    Resting of rubber bases before acceleration finals (two cycle mixing)

    Greettings! Even being a possible simple question to anwser, I always retain the question as to why, in some cases of course, should a rubber base or master rest before adding the acceleration. The main answser usually is for stabilization. But, for a carbon back, RAE oil, antioxidant and...
  8. JDLSHF

    does the thickness of a rubber sheet affect the tensile strength and the elongation

    Greetings. There were different things written that are linked, but not the same. TOM1953 explains correctly both. Tensile strenght is affected by the samples' thickeness. For most of the properties (if not all) there are standard tests. For this case in particular, check ISO 37(:2005). If...

Part and Inventory Search

Back
Top