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- Annealing in Vermiculite - Bladesmiths Forum Board
The vermiculite did work well when I used to use it, especially sandwiched between a couple of heated bars of steel like Alan mentioned It was my experience though that the coarser light colored vermiculite, hard to find these days, seemd to work better than the finer brown vermiculite more common now
- Vermiculite. . . . . . . . . . where and what to buy? - Metallurgy and other . . .
Good idea When I used to anneal 10XX steels I usually preheated the vermiculite, and then put the blade in there with a larger hot bar at the same time Sandwich a file between two bars of 3 8 x 1 mild, heat to bright orange, then jam it in the preheated vermiculite Buttery soft the next day! Probably had terrible grain growth, though
- Large bags bulk vermiculite and perlite in San Antonio area - Daves Garden
TARogers5, In another thread someone said you can get bulk vermiculite at Southwest Fertilizer at 5828 Bissonett St in Houston I looked it up and they are also referred to as Yardgeek com but when I searched for vermiculite nothing came up I emailed them so we should be able to find out I went to Garden-Ville in San Antonio over the weekend
- Vermiculite versus Perlite? - Bladesmiths Forum Board
I cannot find vermiculite to save my life right now, so I found some perlite at Wal-Mart it has volcanic ash in it and some other thing that slips me right now So has any one ever used it to anneal a blade Ed Cafferty in his knife making vid, uses vermiculite, to cool a blade over 12 hours to make it dead soft
- Vermiculite - Beginners Place - Bladesmiths Forum Board
I prefer pearlite to vermiculite due to the latter being able to absorb water from the air, just like the wood ash As far as an acid for etching suppliers, try googling art etching supplies or see if an art store near you can help you out If the volume of acid is dilute enough and in a small enough, then there are not any special handling
- Propagation:vermiculite v potting soil - Daves Garden
But after an exhaustive search on google, I think I've finally found an argument for transplanting from the vermiculite to potting soil It seems vermiculite can become too wet and too compacted over time to allow for good oxygen levels and strong root growth This info comes from a thesis on grape vine propagation!
- Propagation:Vermiculite vs perlite - Daves Garden
It seems to me that vermiculite (fine grade) is best for seeds and has the wonderful property of totally eliminating damping off without the need to spend time and energy in sterilising the compost My method is - for non-crevice plants - basic mix 1 part each peat, vermicompost, fine vermiculite, sand On this I put ½" of fine vermiculite
- Can you Substitute Pearlite for Vermiculite? - Metallurgy and other . . .
I also think that the vermiculite would be the better insulator of the two I have also often heard of light powders, like MgO (lime), ash, and even cement powder being used Have aslo thought obout using refractory wool - I have seen a table that shows it is a way better insulator than pearlite and powdered MgO at least
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