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Product Details
Sika 209D primer is used to prime painted surfaces and plastic substrates prior to bonding with Sikaflex adhesives. This low viscosity, black pigmented liquid dries when exposed to the air (specifically, reaction with atmospheric moisture). Formerly known as Sika 209N. 1/2 pint.
Info & Guides Plastics Acrylic (PMMA)
Polycarbonate ABS, etc.
Paints Acrylics
Alkyds/melamins
Areas of Application
Sika Primer-209D is suitable for application to the following substrates:
Because paints and plastics vary so much in their chemical composition, preliminary trials are necessary. Always seek the manufacturer's advice before using the primer on plastics that are prone to stress cracking, such as acrylics, polycarbonates or ABS.
- Density : 8.3 lbs per gal
- Stability : Very Good
- Cure Mechanism : Moisture Curing
- Flash Point : 25 F
- Colors : Black
- Storage: Store in a cool, dry place
- Application Temperature : 40 F to 110 F
- Service Temperature (Continuous) : -40 F to 190 F
- Drying Time : 30 min at 73 F/50% RH
Technical Specifications
Reviews
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1 to 6 of 6 Reviews
1 – 6 of 6 Reviews
Most Recent
Annapolis, MD
1 out of 5 stars.
Material Expired--JD may have a quality problem
a year ago
I ordered the Sika Primer 209D on March 12th and it was shipped on the 13th. When it arrived I didn't notice that the ""Best Before' date was 1/2023. In fact, I didn't realize it until after I had installed my windows. Now I have two more windows and my 209D as well as my 206 G+P is expired. The question I don't have an answer for is what the impact to the qualify of my window installation is.
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Las Vegas, NV
1 out of 5 stars.
Terrible Service
6 years ago
Worst company to work with on shipping. Called and ordered one small simple IMPORTANT item, the person taking my order on Oct 11 advised I would have this 4-5 days. Here we are Oct 20 and I still don't have it. Also ensured me the package was shipping UPS, then found out they transferred it to USPS, which totally explains why I don't have it and will most likely never see it. After speaking with others, it is clear this company does not deliver as promised most of the time and they apparently lie to customers? If you have an option to get your item somewhere else, I Highly suggest doing that!
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Helena Mt
2 out of 5 stars.
Disappointed with Jamestown
7 years ago
I purchased this 209 Primer and it was shipped to me on 5/16/17, it expires at the end of July. It is close to $90 a bottle and I used very little of it. How about Sika providing smaller amounts, or Jamestown and other distributors prorating the price depending on shelf life? It has a 9 month shelf life, but, I was down to 2.5 months when I got it.
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Bayfield, WIsconsin
2 out of 5 stars.
WAY too much for a boat owner to do two windows
8 years ago
Product seemed fine but as with the activator, there was WAY too much. I had two windows to do on my boat. I think the can I paid over $50 for could have done a couple hundred at least. Plus, the same cost and amount of overrun on the activator made this almost a $200 project to rebed two deadlight windows on a sailboat. Ridiculous. Plus, one of them came with a ""best used by date"" that was only 45 days away. Kind of makes a tube of silicone look a lot better.
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Ventura CA
5 out of 5 stars.
Had good success in fitting hatch lens
13 years ago
The manufacturer has a good write up on how to use this product. It worked as advertised with no leaks now for 4 years. My only complaint is that the 1 part primer is expensive and has a short shelf life, so you use what you need and throw the rest away. In my case, the two Bomar hatches I fixed used about 5% of the primer so most of it was discarded.
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Panama City FL
4 out of 5 stars.
Great Stuff for new hatch replacement
17 years ago
Great stuff however it has a shelf life and the volumn is all or nothing.... Too much for small jobs yet necessary for the installation process.
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Questions
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1 - 7 of 7 Questions
Q: null Does product have traceability; MFR Certs w/DOM & DOE / Test Reports? What is materials current Shelf Life?
4 years ago1 Answer
A: I do not recall if mine came with certs or not. It was not an issue for my application. However, I just checked the package itself and it does have a batch number on it so, theoretically, it does have traceability. As for the DOM & DOE test results, I don't recall... I believe it has a six month self life from date of packaging, but I have bought this product in the past from another vendor and when it arrived, there was only about 45 days to expiration. Hope this helps. Cheers,Bill Settle - R.L. Nuckolls III
4 years agoHelpful?
Q: null I don't see the small __quote__stick__quote__ style 209 listed. Do you still carry that?
10 years ago1 Answer
A: If you are looking for what's in the attached picture, it's not a stick. More like a little aluminum bottle.
10 years agoHelpful?
Q: null do you have to use 209d when bonding acrylic windows to wood and epoxy ?
10 years ago4 Answers
A: Frankly I have no clue. I used this product to bond a plexiglas canopy to my aircraft's 2024 alloy aluminum structure. I didn't attempt the application you describe, but it's working great on my aircraft. Good luck!
10 years agoHelpful?
Q: null The primer(209d) works extremely well. I have some small spots of primer in the middle of my porthole,is there any cleaner I can use now that the material has had all winyer to cure? thanks ken
12 years ago1 Answer
A: I used isopropyl alcohol. However, that was only after a day or so of cure.
12 years agoHelpful?
Q: null open time on the 209D primer ?
12 years ago2 Answers
A: I'm not sure if I am answering the question being asked, but here goes: By __quote__open time__quote__ I assume you mean the working time before the solvents evaporate and the application swab starts to drag as the primer dries. I would describe it as very fast - one pass only and have everything masked off and ready to go before you start. This was under my particular conditions or temperature and humidity; other conditions may yield longer working times. I used this as part of the process of adhering new ports to my sailboat and it worked beautifully. I used only Sika adhesive and primer - no mechanical fastenings. I hope this helps. Dave
12 years agoHelpful?
Q: null is this primer a 1 part primer? and why are they no instruction on the bottle?
13 years ago9 Answers
A: thank you GARY.
13 years agoHelpful?
Q: I have 5 boat hatches I will reinstall with the Sikaflex 295 UV - will one bottle of the Sika Primer 209 be enough for the five hatches?
Anonymous10 days ago0 Answers