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Question on Resin

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jwb
  • Member since
    February 2006
  • From: Parkton, NC
Question on Resin
Posted by jwb on Sunday, March 5, 2006 6:36 AM
I'm back in building after many years- 23 to be exact. Last time I built kits, most of my whorld was Revell or Monogram. One shop sold some Tamiya. $5 got a nice 1/72 scale kit with paints and glue, and Walmart and KMart actually had a great selection of kits.

Anyway- as I get back into it, I see much has changed. (Shoulda seen the look on my face when I realized that bottle of Testor pain was acrylic, not enamel- and thinner just wasn't working...., and what the heck is acrylic....) ;-)

One thing I keep seeing are kits labeled as "resin"? What is that? Is it a warning? Is it better? Is it just different?


Jon Bius

AgapeModels.com- Modeling with a Higher purpose

"For I know the plans I have for you," declares the Lord, "plans to prosper you and not to harm you, plans to give you hope and a future." ~ Jeremiah 29:11

  • Member since
    March 2006
Posted by shapooky on Sunday, March 5, 2006 9:00 AM
it's a different  type of plastic, ( i don't know the chemical makeup ) and you'll need to attach it with super glue instead of regular model cement. if you haven't bought one yet, don't until you know what you're in for. oh, and welcome back.
  • Member since
    May 2005
Posted by Ron Smith on Sunday, March 5, 2006 10:33 AM
 jwb wrote:

One thing I keep seeing are kits labeled as "resin"? What is that? Is it a warning? Is it better? Is it just different?


Resin is usually a polyurethane that is a two part liquid, it is mixed then poured into silicone rubber molds. There are literally hundreds of different formulations depending on end use. Resin kits can be turned out in short runs cheaper than injected styrene but mold life is very short. Resin is mainly used for limited market kits that would otherwise never be produced. Resin is also excellent for highly detailed aftermarket parts since it can be done to a level you can't get with injection processes. The learning curve for resin is short but steep.

Always wash it with at least dish liquid, a toothbrush and warm water. Glue it with CA or epoxy. Prime it.

Resin has a few pitfalls, it can be very brittle. If not mixed porperly it can eventually ooze. If not cast properly it can be full of tiny air bubbles.
jwb
  • Member since
    February 2006
  • From: Parkton, NC
Posted by jwb on Sunday, March 5, 2006 2:00 PM
Thanks to both of you!

Jon Bius

AgapeModels.com- Modeling with a Higher purpose

"For I know the plans I have for you," declares the Lord, "plans to prosper you and not to harm you, plans to give you hope and a future." ~ Jeremiah 29:11

  • Member since
    March 2005
  • From: The Red Hills of South Carolina
Posted by grizz30_06 on Monday, March 6, 2006 12:14 PM

Hey and don't forget you can make your own molds and cast your own parts!

Grizz

Denial, it's not just a coping mechanism, it's a way of life.
  • Member since
    September 2004
  • From: Utereg
Posted by Borg R3-MC0 on Tuesday, March 7, 2006 9:49 AM

What's also important to know is that resin dust can be toxic (!!!) when inhaled.

So sanding and cutting should be done wet and the use a good mask/respirator is preferable.

  • Member since
    June 2005
  • From: NJ 07073
Posted by archangel571 on Wednesday, March 8, 2006 7:35 PM
 RemcoGrob wrote:

What's also important to know is that resin dust can be toxic (!!!) when inhaled.

So sanding and cutting should be done wet and the use a good mask/respirator is preferable.

well, it's more because it will get stuck in your lungs like asbestos and eventually causes you to cough up blood.

-=Ryan=- Too many kits... so little free time. MadDocWorks
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