CA Glue not sticking to KATO parts. What glue to use?

[EHizon671]

Hello,  
I need some assistance.

 

One of the tabs on the bogie frame that allows the entire bogie to "snap on" to the tender mount on my D51 Tohoku has broken off.

 

I searched for the part number 2018-1D5 (To replace the entire bogie), but it's out of stock everywhere.

I attempted to use CA glue to glue the small tab on the bogie frame, but it doesn't hold and fails to adhere properly, and break off cleanly, and the CA glue can be "wiped" off cleanly.

 

What glue do you recommend for bonding KATO parts? The CA glue works fine with other model train manufacturers, so why is it not effective with KATO?

[cteno4]

Those bits that need to snap in like that are usually made of softer, more flexible plastics usually with some polyethylene, that are very hard to glue. Small tabs like this even with a decent glueing also usually never hold well from the stress they can take. With softer plastics you can try the Loctite Plastics Glue. It’s a 2 part glue where you the activator part with a pen to both surfaces and let it dry. Then you apply the other part to the surface and press together. Ive had decent luck with it on parts no other glues would work on. But if it’s a high stress part it eventually does tend to break again. Ive used it on a number of plastic storage box latches that had snapped.

 

jeff

[EHizon671]

5 minutes ago, cteno4 said:

Those bits that need to snap in like that are usually made of softer, more flexible plastics usually with some polyethylene, that are very hard to glue. Small tabs like this even with a decent glueing also usually never hold well from the stress they can take. With softer plastics you can try the Loctite Plastics Glue. It’s a 2 part glue where you the activator part with a pen to both surfaces and let it dry. Then you apply the other part to the surface and press together. Ive had decent luck with it on parts no other glues would work on. But if it’s a high stress part it eventually does tend to break again. Ive used it on a number of plastic storage box latches that had snapped.

 

jeff

Isn't the Loctite Plastics Glue the same thing as CA Glue? (I use Loctite Super Glue Ultra Gel Control) 
I have the following modeling glues/ regular glues, and none of these are effective for repairing/gluing KATO parts. 
- Tamiya ABS Cement
- Tamiya Cement
- Tamiya Extra Thin Cement
- ZAP 560 Canapy Glue


 

[cteno4]

Yes it is a CA glue but the formulation along with the activation solution you apply before make it stick well to polyethylene and polypropylene plastics where regular CA glues just wont really bond.

 

Ive trained a wide battery of glues on softer plastics and none really do well.

 

jeff

[Cat]

42 minutes ago, cteno4 said:

Ive trained a wide battery of glues on softer plastics and none really do well.

I've had good luck with Poly-Zap or Plasti-Zap, by the makers of Zap-a-Gap, on a variety of soft plastics that regular CA won't touch.  Not all.

[maihama eki]

These are often a Nylon or similar. This is very challenging to glue.

 

As @cteno4 suggested, the Loctite Plastic Bonder is recommended for Nylon.

 

https://www.loctiteproducts.com/ideas/fix-stuff/plastic-glue.html

 

"Some fixes need an extra degree of strength. For bonding materials, such as polycarbonate, acrylic, Nylon, Mylar, Delrin, phenolic, aluminum, and stainless steel, the strongest adhesive to use is Loctite Plastic Bonder. Its specialized acrylic formula combines two components to produce a strong, impact-resistant bond that sets in less than half an hour. Once full cure is achieved (in approximately 24 hours), it’s resistant to water, as well as common shop fluids and solvents."

 

You might find it at a good hardware store or online.

 

 

[kusojiji]

You in Guam? Know anyone in Japan? Kato Japan site has the bogie.

[EHizon671]

No. Plus, Kato Japan does not ship internationally.

[cteno4]

Some of the shops like rg Rokko will source parts for you from Kato. They are also great sources for trains as well.

 

jeff