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is that anywhere near leicester :P

pakou
the exothermic reation when casting should'nt really get above 70 no matter the size of the casting the granite and depending what wmould you use should retard this
last week we did 7 ton one...

steven.ji ive seen your pic b4 :}
pm me ive a copy of your pic

i worry when we have to cast from a blind hole to a blind hole under a box where if you fill from both ends it traps air and you have to fill from one end if it went off in 45 mins it would be...

i dont know where under an hour pot life comes from we can take longer that that casting sometimes on small castings larger ones 7 hrs can be the norm
the exothemic reation should drop down...

funny?

http://www.zeeko.co.uk/index.php?option=com_content&task=view&id=16&Itemid=126

let me get drunk ill blend you some

du u want be to blend some hardener and post t or yiu wny ti work out ygury selfs

they use silane to make silicon rods
make mc beds that grind cubes of it to be cut into wafers
the fumes from the amounts your gonna use wont do you any harm
open a window will do it
they use...

isophorone diamine
:wave:

to me your way too hot for your glass transition temperature
try lower and longer to anneal it
said enuff lol
want more i need more cider lol

ill try a pic of the matrix it looks like stone
i can tell u when we make a casting wrong and try to get the inserts back out you cant smash them out you have to put the in the oven

no when it breaks it should shear thru the granite not follow the resin its a pity my phones camras no good the pics are terrible you'd see what i mean
you should'nt see any stratas of resin if...

sorry ive been gaming got a new mouse got to get used to it
ill get some data on one of our samples
we're making a 4.5 m x 1m x 1m if this deflects the figures your saying it will be scrap
think...

bet you i can beat you lol :P
we take and make a test peice with every casting

diamond holesaws are best but as long as your not near the edge a hammer drill kept wet will do it but it will blow off the back off the granite if you go thru
devcon liqiud steel/putty a is ideal...

ive done it so if u need help im here

some companies do use this
http://www.springerlink.com/content/m37316r60490r871/
SpringerLink - Journal Article
not as good but good enough for diyers lol

not personally our supplier grades washes drys mixes it to what spec we give them bags it for us
the granite spread out to the east of my building?

you misunderstood me we wash our mixing gear with ipa i only suggested rubbing alchol cause i didnt think your'd get the real stuff yor granite dont look that bad

coarse you have to be careful with a poker
we use oilfree slideway/bearing coating you better do alot of testing make sure itworking the way you want it too
we run air generaly
google skc

think thats a challenge bobwar
just looking st your sponsors given me lots of good idea for what u can do
and looking at you builds it can be retrofitted
and if jhudler can go to those tolrences...

yep :P

you can buy kiln dried sand http://www.diy2u.net/products/kiln-dried-sand_CE01.html
Kiln Dried Sand

yes should be about 2500kg/m for that mix we use ciba geigy resin (as it wa#)if i was in the states id send you one of our test blocks
looking at the sheets our resin alot better alot better wetting...

i used to work for taylor hobson
measurement specialists
what can you measure to?

what do you use to measure flatness?
talyvels?

what you lot need is teamspeak
http://www.goteamspeak.com/?page=downloads
TeamSpeak - Downloads
then u can talk to each other at the same time

surface plates can be done we do them only if alot of inserts of odd shapes
bear in mind the surface will be "RESINY" wont see the stone very well when you grind our granite brings out the stones...