Biodegradable chain oil - what's in it?

[Slad]

Sorry if this is a numptie question, but what's in biodegradable chainsaw oil please?

 

I'm sure I'm not the first, and won't be the last, to wonder whether cooking oil would do.   I ran out of "proper" oil and because I was using a cheapo DIY chainsaw I used rapeseed oil.  There was still oil left when the fuel was gone (so it wasn't too thin) and the fling was no worse than than the Rotatech biodegradable I had run out of.  It's much cheaper too (and I don't have expensive chainsaws yet so probably won't make a big difference to me if it doesn't work).

 

So I'm wondering now if they add something extra I don't know about which is important.  Anyone know? 

Edited November 7, 2021 by Slad

[Woodworks]

I have some  from Clark Forest and its 99% rapeseed oil. Can check to see what the additive is as as I think it does state on the barrel

[nepia]

I've been using rapeseed oil for years; no problem but then my biggest bar has been 30" - very occasionally.  No problem on a regularly used 20" or any other on my 'expensive' saws, i.e. Stihl, Husky or Echo

[Stere]

Wondered the same thing. Think its kind a of  like a secret sauce recipe.

 

They all seem to mention anti fling additives but never say what they actually are.

 

Tackifier - Wikipedia

EN.WIKIPEDIA.ORG

 

I just use rapeseed oil.

 

 

Edited November 7, 2021 by Stere

[nepia]

5 minutes ago, Woodworks said:

I have some  from Clark Forest and its 99% rapeseed oil. Can check to see what the additive is as as I think it does state on the barrel

What does the additive do; any idea?

[nepia]

Just now, Stere said:

Wondered the same thing. Think its kind a of  like a secret sauce recipe.

 

They all seem to mention anti fling additives but never say what they actually are.

 

Tackifier - Wikipedia

EN.WIKIPEDIA.ORG

 

I just use rapeseed oil.

 

 

Beat me by seconds!

[Woodworks]

Here you go 

[Slad]

16 minutes ago, Woodworks said:

I have some  from Clark Forest and its 99% rapeseed oil. Can check to see what the additive is as as I think it does state on the barrel

1% marketing?

 

Thanks for the pic - "rubber/vegetable oil preparation" anyone? Google is showing me pastry recipes...

Edited November 7, 2021 by Slad

[Woodworks]

1 minute ago, Slad said:

1% marketing?

I got the ratio wrong see picture in post above. It's thicker than regular rapeseed we use for cooking but not as good a lubricant as the mineral oil. I use it in the processor which delivers a set amount of oil per cut. Its fine if I am cutting smaller wood but when cutting large stuff I notice the bar wear with bio.

[Stere]

Heres one brand selling the stuff for chain oil

 

Tackifiers

WWW.SCHAEFER-ADDITIVSYSTEME.DE

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Bio oil companies buy stuff like the above 2 mix it in with the rapeseed oil...

 

Kind of sounds abit like the stuff in  clarks..

 

Polyisoprene - Wikipedia

EN.WIKIPEDIA.ORG

 

 

 

Edited November 7, 2021 by Stere