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Canada Balsam Synthetic Mounting Medium 25ml/0.85oz (#AC0020)


  • $12.95 USD

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Synthetic Canada balsam is used like natural balsam, but at a fraction of the cost. It's an effective, economical, medium used for preparing permanent microscope slide specimens.  


  • Terpene Resins dissolved in Xylene.
  • For permanent preparations.
  • Less drying time than natural Balsam.
  • Basic instructions included.

To make a permanent slide mount, place the specimen on the slide near the center. Add a drop or two of mounting medium on the specimen. Using forceps, if desired, place the edge of a coverslip on the slide and slowly lower it over the specimen to push out the air. You may need to smooth out any mounting medium that has seeped around the outside of the cover slip with the edge of a piece of bibulous paper or a small paint brush. Allow to dry for a day. The thicker the mounting medium, the longer it will take to dry.

For laboratory use only. Read all labels and SDS sheet before using. Keep out of reach of children.  **PLEASE NOTE:  Due to the viscosity of the balsam, it is offered in a wide mouth 60ml jar for ease of use. The jar will appear to be more than half empty, but does contain 25ml of balsam, as specified.** 

DOT Info: Small quantity exemption 173.4. 

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Questions & Answers

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  • Once dried can it be heated to separate the adhered surfaces like natural canada balsam? Any idea what the refractive index is?

    Thank you for visiting! Those are great questions. We know that the synthetic balsam is soluable in xylene or a xylene/heptane mix, even after hardening, but we have no experience with trying to remove the balsam with heat. As for the refractive index, let me confer with our manufacturer to provide an accurate response. We will update this answer and attempt to notify you as soon the information is available. Thanks, again!

  • Standard Canada balsam requires a series of dehydration steps before mounting. Does this also apply to this synthetic alternative?

    We don't offer standard Canada Balsam, so we are not familiar with it's processes. Also, I'm not sure if you are referring to dehyrading the balsam itself or the specimen? We suggest doing a Google search such as, "How to make a permanent slide of (specimen) using synthetic balsam". You should find a wealth of information from credible institutions and knowledgeable users. Hopefully, you'll get the answers you're looking for. Thank you for visiting!

  • Is this good for cementing optical doublets?!?

    Thank you for visiting! If you choose to cement your doublets, we suggest that you use something specifically for that purpose so that you don't damage the coatings on the lenses. Solutions, as well as their fumes, can cause deterioration upon contact, or even over time. We don't offer anything for that purpose, and can't recommend a specific product. We wish you success!

  • Hi, Do you have a digital version of the product insert that comes with this? Someone is intending to bring this to my imaging facility and I'd like to know more about it and the recommended drying time. Thanks, Ben

    Thank you for visiting! We don't include an insert with this item, other than the SDS. I've attached a link for you here. You may be interested in reading the Q&A on our Amazon listing, as well. Perhaps it will help answer your questions. We always recommend that you do your own research and include the specific specimen to be mounted within your search. There is a great amount of very useful information out there from scientists and educators, who are qualified to answer most questions. Let us know if you need anything else!