hello,are these silicones acid free?

ive never had an issue at all,just somethign i read yesterday on the back of a pci siliocne cartridge has brougth this question up

Mapesil AC isn't acetic free but Mapesil LM is the one for Acetic sensitive stone etc...

Oh and the new weber one isn't Acetic free either,..

cheers dave,does the lm one come in the samer colour range?

Originally Posted by kilty55

cheers dave,does the lm one come in the samer colour range?

Nope 2 colours I believe unless they have updated it.

Not sure... Jamie.. but IMO only very white limestone and some marbles are effected by the acetic.. and some silicones contain solvent and that can bleed as well.. One good thing is mapesil AC is solvent free.

cheers everyone i will bear this in mind

Originally Posted by Sir Ramic

Nope 2 colours I believe unless they have updated it.

Seems they do do a few more colours now
http://www.mapei.com/public/IT/linedocument/lm_gb.pdf

Nicobond do a range of silicone for stone and comes in a 4 or 5 colours if I remember right.....


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Weber do a silicone for stone as well as their normal one, I would assume that this one would be???

Weber's silicone should be the same as Dow Corning, as they supply it for them.


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i used webers silicone a few weeks ago and although i beleive it is made by dow corning it wasnt the same product unfortunately

the grout however was real nice