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  1. Julia Mahir

    Reversion Cure for EPDM

    Generally EPDM is known for its marching cure properties. Is there any possible sulphur cure mixture that we can use for reversion cure for EPDM? or possible for rubber blend? Thanks.
  2. Julia Mahir

    Rubber blooming on end product

    I'm trying to understand the nature of blooming that appear on our products but cannot really understand these I got from internet: 1. Is the color change light induced? (mask part of sample for reference) Grey/Brown - amine antioxidant Pink - phenolic antioxidant 2. Is the color change heat...
  3. Julia Mahir

    Post cure needed for all rubber type for food contact application?

    Hi all. I've been looking into the need to post cure rubber product for food contact application. There are mentions like "post curing is absolutely mandatory in order to meet demands of FDA and WRAS norms. etc." However, so far, all the article I found are mostly on silicone rubber. But I...
  4. Julia Mahir

    NBR and NR compatibility - any binder?

    Hi all rubber experts I need an insight on this. I believe that NBR and NR (supposed to be) not compatible, isn't it? Is there any way that we can "bind" both rubber? Or any other rubber that can act as the "binder" in between NBR and NR? We are making a product that use NBR as main...
  5. Julia Mahir

    Liquid curing for rubber hose extrusion

    We have one product that currently being produced using extrusion with liquid curing (hot oil). The end products tend to be sticky. Even with silicon bath to prevent sticky during handling & packaging, eventually the products will still end up stick to one another while in packaging. We...

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