Viva...

I just brought some latex rubber from Woodland scenics, hoping to make some moulds... Does anyone here ever used such product? Is it of a good quality or what? hoping to hear from you lads..

See yaaa

I believe it's intended for making Thin flexible molds of rock faces and such..... not sure if it would work for larger castings or not.

It's good for small, one-piece molds.

I've been using the stuff for years. Use a cheap brush to apply it in layers, allowing about 24 hours to dry between layers. I make copies of ammo boxes, rucksacks and other small bits all the time. Most bits need about 4 or 5 layers to make a good mold. Store the latex molds in a zip-lock bag and out of sunlight to make them last.

To make the unused jar last longer, store it upside-down in a cool place.

Viva...

Thanks for your help guys, You're very kind...Thanks a lot, for the advises...

See yaaa

Between 3 and 4 or 4 and 5 layers u can put a coat of medical thing gauze to make the mold more durable and strong .

So can you pour Resin into the Latex molds???

I have heard of people pouring plaster in....friend of mine casted a cobblestone section of road with it and casted it in plaster.

But would you be able to pour resin in it??

Would definatly cut down on the casting cost not having to buy RTV.....as the Latex stuff is dirt cheap compared to RTV.

Scott
You can pour resin in latex. I would make the mold extra thick to help disperse the temp and retain its shape. I've done it a few times and wrote this as a result.

https://armorama.kitmaker.net//features/150

I forgot about Scott's excellent article he cites above -- it answers most of the questions.

In addition to the brand of resin he used, I have also used Alumilite with good results. In a pinch, I have even made castings with 5-Minute Epoxy and the molds have survived OK.

Plaster is a nice option if you are making something big, like a section of cobblestone street or brick wall. All of the brick rubble in my Dragon Wagon diorama was made with plaster cast in latex molds. The mold masters were made from sections from the old Tamiya brick wall set, glued together to form larger panels.