Post by mark on Jan 17, 2016 17:11:22 GMT -5
I read the FAQs and they don't answer my specific questions. Feel free to point me to an answer in case I had a senior moment and missed it... :-)
1) Storage temp for raw components. The FAQ says "ambient temp.' Exactly what is that in degrees? I see that storing in the garage or outside in myunheated workshop was Not A Good Idea in Seattle temperatures. OK, components and dyes are now stored in the house where the "ambient temperature is kept to about 65 deg F to conserve household energy. I have a small heater in the outside insulated workshop. it is only used to warm up the shop for an hour or so before use. I could set the components on the heater to pre-warm them before use but would that temp fluctuation defeat the purpose and render the resins problematic for proper casting?
2) I am trying to cast hollow spheres (think Christmas ornaments that look like cut glass in clear crystal). I am thinking to cast a solid one and etch/cut the facets into it to use as a master. Make a mold from it. Support the mold in a small box and spin in on a lathe at under 1000 RPM or so while the resin cures to make a hollow ball. Then demold and polish until really shiny with lots of reflective bling. Is there a best material for the mold/casting resin to use in an application like this?
Thank You.
MarkS
The noob in Seattle
1) Storage temp for raw components. The FAQ says "ambient temp.' Exactly what is that in degrees? I see that storing in the garage or outside in myunheated workshop was Not A Good Idea in Seattle temperatures. OK, components and dyes are now stored in the house where the "ambient temperature is kept to about 65 deg F to conserve household energy. I have a small heater in the outside insulated workshop. it is only used to warm up the shop for an hour or so before use. I could set the components on the heater to pre-warm them before use but would that temp fluctuation defeat the purpose and render the resins problematic for proper casting?
2) I am trying to cast hollow spheres (think Christmas ornaments that look like cut glass in clear crystal). I am thinking to cast a solid one and etch/cut the facets into it to use as a master. Make a mold from it. Support the mold in a small box and spin in on a lathe at under 1000 RPM or so while the resin cures to make a hollow ball. Then demold and polish until really shiny with lots of reflective bling. Is there a best material for the mold/casting resin to use in an application like this?
Thank You.
MarkS
The noob in Seattle
