<\/p>\n

 <\/p>\n

Mixing Instructions<\/span><\/h4>\n

\n
• If you are using or working with a 2 Component PU Casting Resin, it is time to mix them<\/li>\n
• When using a single element resin compound, you can ignore this step<\/li>\n
• You must adhere explicitly to the manufactures instructions on the container when mixing<\/li>\n
• Make certain that you stir the two compounds thoroughly and pour them more than once to make sure they are completely blended<\/li>\n
• Once you have completed the mixing properly, your Casting Resin is ready to be poured into your mold, but first, ensure your mold has been treated with a release agent beforehand<\/li>\n
• If you are pouring a floor covering, then you need to pour a thickness of about 1\/4 inch or less depending on the condition of the floor and also the amount of traffic it has to carry<\/li>\n<\/ul>\n

  <\/p>\n

   <\/p>\n

  Curing Process<\/span><\/h4>\n

  \n
  • Now it is time to allow your resin to cure, which will take around 24 hours. However, you need to leave it for around 72 hours before you put anything heavy on it or allow heavy traffic over it<\/li>\n
  • Available today, are hot-curing as well as cold-curing resins<\/li>\n
  • Many PU Casting Resins can be cured by using ultraviolet light from a UV lamp<\/li>\n
  • You need to take extra care when you are using your PU Casting Resin for large areas, as you may find shrinkage in fairly big areas taking place. If this does happen, you can re-cast the area, but this will not be possible if the resin has completely cured, as it could result in cracking and internal stresses building up<\/li>\n
  • While the resin is curing take note of any excessive heat being given off by the chemical process. If the heat does not properly dissipate, the temperature of the casting will carry on rising and this will accelerate the curing process, which can cause weak spots in your material<\/li>\n
  • After the resin has completely hardened you can then take it out of the mold<\/li>\n
  • Clean the casting ensuring all the release agent has been removed<\/li>\n
  • The casting can now be primed and painted<\/li>\n
  • If the casting is to be used outdoors ensure that it is properly painted to protect it from the suns UV rays, as well as the weather conditions<\/li>\n<\/ul>\n

    <\/p>\n

     <\/p>\n

    Storage Instructions for Polyurethane Casting Resins<\/span><\/h3>\n

    When you store your PU Casting Resin, make sure that it is not subjected to big temperature fluctuations. The normal storing temperature for your PU Casting Resin is 15 \u2013 25\u00b0 C when the resin is still in a closed container. When you open your PU Casting Resin, make sure that the packaging is still moisture-proof and airtight. Once you open the container work quickly and shake the 2 part components carefully before you mix them thoroughly.<\/p>\n

    Note: If you find the PU Casting Resin has crystallized slightly while in storage, just warm it carefully by not exceeding 70<\/strong>\u00b0 C and it will de-crystallize. You then need to wait for it to cool down and come to around room temperature, then you can process it further. \u00a0<\/strong><\/p><\/blockquote>\n

     <\/p>\n

     <\/p>\n

    Safety Instructions when Processing your PU Casting Resin<\/span><\/h3>\n

    \n
    • Some additives you use may be harmful to your health, like flame retardants or plasticizers<\/li>\n
    • The PU Casting Resin contains Isocyanates, which can cause allergic reactions and could also result in cancer. Not to worry, as these properties are only applicable to the material that has not yet cured properly. As soon as the material has cured, it poses no more health hazards, but use caution when you handle your PU Casting Resin<\/li>\n
    • If you get some of the mixture in your eyes or nose, rinse them thoroughly with water and make an appointment with your doctor<\/li>\n
    • Keep the resin away from open flames<\/li>\n
    • When working with PU Casting Resin always ensure that you follow the manufactures instructions on the containers<\/li>\n
    • Wear protective equipment when working with PU Casting Resin such as latex gloves, goggles, respiratory mask and long-sleeved shirts. Ensure that the area you are working in is properly ventilated and all the tools you need are close at hand<\/li>\n<\/ul>\n
      \n

      <\/div>\n<\/div>\n

      Questions and Answers<\/span><\/h3>\n

       <\/p>\n

      What is Polyurethane?<\/span><\/h4>\n

      Polyurethane is not an epoxy but is a plastic or synthetic resin and we come into contact with it every day.<\/p>\n

      For example:<\/p>\n

      \n
      • Low-density flexible foam utilized for bedding, upholstery for car seats and home use<\/strong><\/li>\n
      • Hard solid plastic utilized for electronic instrumentation<\/strong><\/li>\n
      • Low-density elastomers utilized in footwear<\/strong><\/li>\n
      • Various types of castings for military, industrial, agricultural and automotive markets<\/strong><\/li>\n
      • Flexible plastics utilized for bands and straps<\/strong><\/li>\n<\/ul>\n

        PU resin boasts many beneficial characteristics that are used professionally and at home. Polyurethane is formed by an exothermic polyaddition reaction (heat-releasing). So, you can see Polyurethane is an amazing material, which is utilized in the industrial and also domestic fields. Due to its easy application and other constructive characteristics, it will provide you with a perfect finish even if you have no prior experience or knowledge working with it.<\/p>\n

         <\/p>\n

        Can you safely Use Polyurethane in the Kitchen?<\/span><\/h4>\n

        Yes, Polyurethane is safe to use on wooden countertops and as such is classed as food safe. The FDA clarification of food-safe is that the product must be fully cured and dry to the touch. To obtain this takes time, which can range from a few days to a month.<\/p>\n

         <\/p>\n

        Is Polyurethane Food Safe?<\/span><\/h4>\n

        According to experts, resins once they are fully cured, are food safe. Even Polyurethane Varnish does not pose any health hazard. Take note that no resin is food safe until it is fully cured, which is, as a rule, 30 days or one month at 65 to 75\u00b0F (normal room temperature).<\/p>\n

         <\/p>\n

        Can Polyurethane be Applied over Resin?<\/span><\/h4>\n

        Yes, but you need to first apply 2 or 3 coats of Epoxy Resin and then you can apply one clear coat of 2-Part Polyurethane finish. This type of finish or coating is beautiful as well as long-lasting.<\/p>\n

         <\/p>\n

        Can you Remove Polyurethane by Using Vinegar?<\/span><\/h4>\n

        No, you cannot remove it but it can soften it or damage the surface. It has been proven that by using undiluted vinegar you will kill 90% of bacteria and also 80% of viruses as well as mold. The vinegar needs to be applied and left to soak for a long time. However, vinegar is not the solution for Polyurethane, even diluted it will soften the Polyurethane and ruin your beautiful floor covering, making it more vulnerable to scratches and water damage.<\/p>\n

         <\/p>\n

        What type of Polyurethane is better to use on Countertops?<\/span><\/h4>\n

        First, paint your countertop and allow the paint to dry and harden. Then you can apply a coat of Clear Polyurethane Resin, which is the best to use on your countertop. However, Clear Polyurethane Resin created specifically for floors is more durable and scratch-resistant than Clear Polyurethane Resin created for use on wood and other related applications.<\/p>\n

         <\/p>\n<\/div>\n<\/div>\n<\/article>\n