Silicone Oil- 2 cSt (cps) Viscosity, 10 grams - (Contact shop to request actual ship cost for multi items)

$3.50
+ $4.00 shipping
$3.50
+ $4.00 shipping
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Silicone Oil- 2 cSt (cps) Viscosity, 10 grams.

This is an optically clear, odorless, and, in general, inert, non-reactive, non-toxic, and non-flammable liquid.
I have several listings of this material that differ in viscosity ("thickness").
The silicone oils I have listed come from one of these 3 sources: Momentive Performance Materials, Dow Corning, or Shin-Etsu.
I'm offering them in relatively small quantities: 10 grams or 50 grams.
Taking into consideration the density of the average silicone oil, 10 grams is about equivalent to 0.4 fluid ounces and 50 grams is about equivalent to 2 fluid ounces.
Silicones in general are "safe" materials. If you're familiar with the NFPA "diamond" which has colored squares with numbers ("Health" is blue, "Flammability" is red, "Instability" is yellow and the numbers are 0-4 where 0 is very safe, 4 is very dangerous). With the exception of silicones below 10 cst, the NFPA diamond for this material is Health=0, Flammability=1, Instability= 0. For silicones below 10 cst, Flammability goes up to 2. To give you an idea of what a Flammability rating of 1 means, I poured a small amount of this into a metal tray and tried to get it to catch on fire by holding the flame of a propane torch into the silicone liquid. It would not ignite.
Please note that although silicones are relatively benign as far as health goes, you should be careful where you use them. Because they have low surface tensions they tend to spread and because they are such effective "non-stick" agents, if you do any critical metal painting they will cause painting defects like "fish-eyes". If you do get them where you don't want them, I've found that 91 or 99% isopropyl alcohol is quite effective in removing them (which is a happy coincidence since iso alcohol is rubbing alcohol, harmless to skin).
Also, it's good to know that in general silicones have long shelf lives because of their inertness and non-reactivity (see the list of unique properties of silicones at the bottom)
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This is the most common type of "Silicone Oil". There are actually hundreds of different compounds that could be called silicone fluid, resin, or oil. And there are hundreds of uses for those compounds. The chemical name for this one is polydimethylsiloxane (PDMS). It is clear, odorless, non-sticky, non-irritating, and a non-toxic transparent liquid. PDMS is inert and non-reactive. There are many products for which it is far safer than than the VOCs currently in use for some consumer products. The low viscosity PDMS can reduce or replace those VOCs.
I have lots of different kinds of silicones because I used to make a lot of molds using silicone rubber and I used silicone oil to lower the viscosity of silicone rubber a bit. I also used it as a release agent, and more recently I tried incorporating it into a "wetting" (and protective) coating for attractive rocks or minerals I found. I wanted to make a coating that wouldn't look like a coating, would not change the natural sheen of the rock and would make it stay wet looking without having to recoat it every few months. There are lots of ready-made coating systems for natural stonework, but I never found one I liked so I tried making my own. Silicone was just one of the many types of oils I tested (walnut oil was one of the finalists).
Some synonyms for PDMS are dimethylsilicone fluid (or oil), and "dimethicone".
Dimethicone is a relevant one because it's used in beauty/cosmetics, hair care, and skincare products. If you look at your hand lotion or shampoo and there's an ingredient that ends in "cone", you can bet it's a small amount of PDMS (or one of its cousins). Silicones have taken a hit ever since the leaking silicone implants disaster. And, there are many naysayers who contend that it clogs skin pores. But there are 2 sides to this debate. Here's an article that tries to debunk a lot of the misinformation about silicones:
https://kjbennett.com/cosmetic-silicone-safety-fact-fiction/ .
Used wisely silicones can do things nothing else can because of the many unique properties they have. I've made a list of these properties in the lower section which contains more information on silcones for those who would like it.
A word about low viscosity PDMS (usually listed as 2 cst or lower, but I'd rather say 10 cst or lower): These will evaporate (which is useful when you need a non-VOC carrier for another higher viscosity material), whereas the higher viscosity silicone oils will not evaporate (or evaporation is negligible). Silicones have very low surface tension, so they will tend to creep or spread out on a surface and they are very mobile (easily spilled). The jar in the listing pictures for the lower viscosity versions is a display jar so you can see the contents (very clear). The item itself will be shipped in a polyethylene bottle with a small lined cap to accommodate those above mentioned properties. You should always close the lids of containers of silicones tightly.
PDMS is popular as a high performance differential oil (for RC models). Also as a shock absorber oil for both RC models and full sized ones. And it's been used as a lubricant for many years. There are hundreds of listings for it online at sites like Amazon or Ebay.

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If you'd like a little more in-depth information on PDMS continue on (properties of silicones are at the end):
Here's an excerpt from Vogue (http://www.vogue.co.uk/beauty/2016/03/18/skincare-ingredients-what-is-dimethicone) about PDMS:
"You know the sort of creams and serums that feel like silk on the skin, leaving a smooth softened and slightly mattified finish? They probably contain dimethicone or another silicone. Because of its fluid properties, dimethicone helps create improved texture in skincare, helping products to glide across the skin. It also helps to fill in pores or fine lines, which is why you'll often find dimethicone on the ingredients list of primers. It can also act as a barrier over skin since the molecules are large, making it perfect for harsh weather conditions, whilst it's also used as a skin protectant ingredient for wound healing and treatment of dry patches.
There is some debate about whether dimethicone and other silicones can clog pores and worsen acne-prone skin. Whilst these claims haven't been addressed in great detail when it comes to current published research, anecdotal evidence shouldn't be ignored and some users also simply dislike the texture of silicone-based products. Having said that, dimethicone makes huge improvements to the texture of many skin products by acting as an emulsifier, preventing other ingredients from separating. It is also effective in creating a mattified finish, so is popular in skincare products for those with oily skin or large pores. Dimethicone is also used in creams to protect mild skin irritations, dry patches or healing wounds, and is effective at locking in moisture thanks to its larger molecules. Ultimately it's a personal choice - some prefer silicone-free products whilst others rely upon dimethicone for their specific skin needs."
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Unique properties of silicones (the list is from Shin-Etsu, the explanations are mine):
-They have good resistance to high temperatures- they retain their properties in temperatures of 300 F and higher (when altered by the addition of phenyl groups).
-They are good conductors of heat- one application that comes to mind is their use in "heat sink compound", meant to act as an interface between a hot running computer chip and a heat sink attached to it.
-They are inert- they don't corrode or affect the properties of other materials.
-They make good defoamers. If you're mixing something that's generating a lot of bubbles, a few drops of silicone oil will eliminate the foam.
-They make good electrical products, because of high electrical resistance (remember we're talking about silicone, not silicon).
-They are or can be made to be soluble in most hydrocarbons, and they can be made into emulsions with water (they are naturally hydrophobic).
-They have excellent low temperature resistance- they tend to retain their properties (like viscosity) in low temperatures.
-They have a low specific heat, it takes about one third the amount of heat to raise their temperature by the same amount as it takes to raise the temperature of water.
-They have a very low surface tension, they spread over a substrate much easier than water, for example- they don't tend to "bead up".
-They are hydrophobic, so something that's coated with them repels water very well.
-They have very high resistance to shear stress, meaning they have a long operating life compared to mineral oil for example. This helps make them good lubricants.
-They make excellent lubricants, because of many of their other properties (the glaring exception is steel to steel which limits them to good specialty lubricants).
-They have remarkable viscosity stability- they don't "thicken" when cold, or "thin" when hot (I used this property to de-air translucent platinum cure silicone rubber without a vacuum pump by putting a still liquid mold in a freezer for several days to prevent it's curing while the many air bubbles had a chance to rise and exit the mold).
-They have great chemical stability- they are non-reactive with other materials, retaining their own original properties.
-They have excellent releaseability- surfaces treated with them tend to repel other materials from sticking to the treated surface- this makes them excellent release agents.
-They have relatively low physiological effects- in general (with exceptions like the low viscosity types) they pose no serious health risks to people.
-They are highly compressible- almost all hydrocarbons have low compressiblility (as does water)- thus they make excellent dampeners for use in shock absorbers.
-Resistance to radiation- they can be made to retain their properties in radiological devices, medical and otherwise.-
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-------------------------------> COMBINED SHIPPING <----------------------------------
Shipping cost will be reduced when buying multiple items that are small & light weight. To see total cost with actual shipping, mark the items you want as favorites, then message me with a request for actual shipping of your favorited items. Or, list your items in a message, requesting ship cost. I'll send you the cost & if you approve I'll make a reserved listing.
Or, just buy the items in your cart. I will do a refund for the ship overage as soon as I see your order. (Don't want to message me? I automatically check for ship overages, & will make a refund if applicable).
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FAQs

I'm sorry, but at this time we do not ship internationally.

If you would like a smaller or larger quantity of a raw material, click the "Request a custom order" button and tell us how much you would like. Or just contact us and let us know what you'd like. We'll get back to you ASAP.

This problem usually occurs with multiple items. Where possible, we're converting to calculated shipping. We originally didn't provide it because we sell so many dissimilar items (size, weight, etc), that it would not be possible to do it accurately. If your shipping cost is high, you can do one of the following: If you see "Request a Custom Order", "Contact", or "Ask a Question" on an item's page, you may use it to request a reserved listing. You may copy and paste a list of the items in your cart, send a screen shot of your items, or simply favorite them, and request a "reserved" or "custom" order. Or you may do nothing. We will see your multiple items & will always refund excess shipping charges before shipping your items.

If you have a technical question about an item we've listed, please don't hesitate to ask. We enjoy helping people out with a material or a process. We give anecdotal information in our listings if we have any. If you disagree with it or think we're being inaccurate or misleading please let us know that, too. If there are discrepancies in any of our listings let us know, we make mistakes like everybody and we'd like to be set straight and get those mistakes corrected.

I'm sorry, but at this time we do not ship internationally.

If you would like a smaller or larger quantity of a raw material, click the "Request a custom order" button and tell us how much you would like. Or just contact us and let us know what you'd like. We'll get back to you ASAP.

This problem usually occurs with multiple items. Where possible, we're converting to calculated shipping. We originally didn't provide it because we sell so many dissimilar items (size, weight, etc), that it would not be possible to do it accurately. If your shipping cost is high, you can do one of the following: If you see "Request a Custom Order", "Contact", or "Ask a Question" on an item's page, you may use it to request a reserved listing. You may copy and paste a list of the items in your cart, send a screen shot of your items, or simply favorite them, and request a "reserved" or "custom" order. Or you may do nothing. We will see your multiple items & will always refund excess shipping charges before shipping your items.

If you have a technical question about an item we've listed, please don't hesitate to ask. We enjoy helping people out with a material or a process. We give anecdotal information in our listings if we have any. If you disagree with it or think we're being inaccurate or misleading please let us know that, too. If there are discrepancies in any of our listings let us know, we make mistakes like everybody and we'd like to be set straight and get those mistakes corrected.



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