Has any one tried prepainting a mold for resin?
It has got to be one of the coolest things I have done yet with these bodies!

On my first try, I painted the details very carefuly on the p'up. (40's) fenders were painted gold, bed cover was black & the cab & box sides orange. The paint must be completely dry or it will smear when you pull the body from the mold. The resin bonds very well to the paint! :thumbsup:

I used testors model paint and it came out smooth! No gobbing or brush marks. Try it if you are inclined.

I have a couple of more ideas to try & I will let you guys know how they work out. I will post pics as soon as I can find the derned cable that connects the camers to my computer. Doh!

Hey Joez, a couple questions:

1: Do you mean the paint must be completely dry before you pour the resin? Or is it that its wet when you pour the resin and leave it in the mold long enough for the paint to dry?

2: What's the condition of the mold afterwards? If you did one of these using your technique, then tried a straight white resin mold afterwards, would the white one come out clean?

Inquiring minds want to know!

Trev

The paint must be dry in the mold BEFORE adding resin. As a matter of fact, when changing colors, (if you do) let each bit of paint dry. The paint can and WILL peel out of the mold if you are not careful.

After the casting is complete, the mold is perfect and ready to use again. The paint CAN NOT bond to the rubber in the mold.

Be very careful that little pockets of paint do not form along dripsills ect, as these will take longer to dry and then smear when puling the body from the mold.

Happy casting!

joez870

is this if your bored of painting the car after its out of the mold? or is there something benificial to painting the mold first? just curious.

If you are stuck with paint brushes, you get no brush marks, no un-even paint. plus it's kida cool. :)

I the boat building world this is called a gell coat.

A gel coat is resin & then 'glass is layed in, eh? either by hand or chopper gun.

I s'pose prepainting could be considered the gel coat & then the resin the 'glass as far as slotcars are concerned. :)

is this if your bored of painting the car after its out of the mold? or is there something benificial to painting the mold first? just curious.

When you paint a mold it does two things one it acts like a mold release protecting the mold and two when the rein kicks off (starts to cure) it bonds with the paintv so it becomes part of the resin, ie you can scratch it and not see white but it is not all the way through.

I was never able to get a good enough coat of paint on the silicone when brushing. I only got smooth coverage when I sparayed it and had to use a fast drying Laquer.

Roger Corrie

Hey Roger, I had that trouble too (paint beading up, poor coverage) until I used a lint-free bit of cloth to wipe the mold out. It worked out ok but the paint has to be derned good and dry or it will not dry under the resin & smear comming out of the mold.

I am going to try the spray laquer. Thanks for the tip!

joez870

hi i am trying to cast my own 1\64 ford cargo vans can any one tell me how i can go about making a resin mold? and what i would need step by step and how to make it? and were i can get wheels? for it? i am trying to find like matchbox wheels and or johnny lightning wheels with the exle if any one can help me out please get back to me

thank you

hmmm for wheels id look into the bargan bins at your local toy shop or wally world in the clearence isle