Interesting.

Too often, it seems, I run into that problem, wanting to bond those plastics.

 

The slots on the dood cards where the Christmas trees go are the worst. Can you break on of yours off and repair it, and let us know how it goes. 😂😂

 

Sure thing - I'll get that queued high up on my to-do list. Results will be posted at some point in the indeterminate future.

 

I never had much success with any adhesives and LSE plastics. However, I never was willing to spend much on adhesives due to the small amount needed for any individual, past projects.

I do have experience with Infinity Bond as a brand. I purchased their SuperTac 11 APAO hot melt glue sticks for reupholstering my 1996 Sonoma Sunshades. Did some testing in an oven with that adhesive. Those sunshades are never coming apart due to heat unless the truck catches fire.

 

I've never had luck bonding plastics with any one part glue.
I've used JB epoxy made for plastic, sure smells like it when mixed, has worked fine so far.

 

I have a large part made of plastic in my Astro van that broke . I will try it when I can get to it. right now I am working on getting it on the road asap so it may be a while.

 

Interesting side note:
Is methyl methacrylate banned in the US?
MMA has been banned in 39 states and has been declared a "poisonous and deleterious substance" by the United States Food and Drug Administration. When MMA is used, it may cause serious nail damage or loss, soreness, and in some cases, infection. Long-term exposure can result in respiratory damage. Oct 20, 2010

It was used at one time for artificial finger nails, but problems as noted above started arising. They fake nails didn't fall off. The fingers did.
Might want to use this stuff outdoors and with gloves on.

 

Interesting side note:
Is methyl methacrylate banned in the US?
MMA has been banned in 39 states and has been declared a "poisonous and deleterious substance" by the United States Food and Drug Administration. When MMA is used, it may cause serious nail damage or loss, soreness, and in some cases, infection. Long-term exposure can result in respiratory damage. Oct 20, 2010

It was used at one time for artificial finger nails, but problems as noted above started arising. They fake nails didn't fall off. The fingers did.
Might want to use this stuff outdoors and with gloves on.

I have no knowledge about it's status, but I would think if it was illegal and/ or banned, the manufacturer wouldn't be able to sell it. I didn't see any notations about that aspect on their website. And, yea, the stuff can be/ is a noxious substance (but it's far from being an outlier in that regard). It doesn't seem to be any more hazardous than a lot of other readily available OTC products sold by retailers everywhere (including a lot of pharmaceuticals hawked on TV ads). Attached (below) are the MSDS & TDS for the product, for reference.

When I glued up the seat back, I had the windows open and an exhaust fan operating; along with wearing an N95 mask. I had no physical contact with it, as the dispenser eliminates that, but gloves would be a good call, 'just in case'. And, given the short work time, I was only 'exposed' to the (uncured) product less than 10 minutes total. But, I'll monitor my extremities and let you know if anything happens or something falls off! There was no mention of any behavioral side effects, but if there are any, they would probably just be an improvement to my current disposition!

 

It sure will be nice to see if this thread leads to something that works, that one of you guys testing these chemicals will come up with something that works. Like for interior panels Mark refers to. Personally I quit trying new products, quit trying to "weld" it or whatever else was recommended, only so much patience for wonder-products; the last job got a backer and some pop-rivets and done.

 

Thanks for sharing.....might come in handy...

 

Here's an initial update (albeit a bit sooner than I had planned). I just noticed that the seat back wasn't totally positioned properly from it's reinstallation about 10 days ago. The bottom 2 plastic hook clips had not fully engaged their respective counterparts of the seat frame, leaving a noticeable gap at the side edges. So, the back needed to be removed to fully re-engage the clips. As usual, it took the use of a 12" steel flat prybar and a significant amount of force to free the top 3 spring clips (which are seated in the top black plastic strip that was re-adhered) out from the seat frame. The nice little barbs do work well as intended, and makes the clips difficult to dislodge once installed. Two of the three actually popped out of the slots in the plastic strip. Fortunately, the plastic has a great deal of flexibility and elasticity, so no damage occurred, and the clips were inserted back into the slots. There were no signs of fatigue or failure of the adhesive, which is encouraging. So, after properly aligning and reinstalling the seatback, it remains to be seen about the long term bonding of the MMA 500, but it looks promising so far.

 

Glad to hear that. Looking forward to more on this.

 

I use the 2 part quick epoxy from Harbor Freight. Sticks to pretty much anything. $8 for 2 big tubes.