Talk Composites - The Forum for Advanced Composites
Back
Login
Register
Login
Register
Home
»
Advanced Composites Forum
»
General Composites Discussion
»
Final resin coats
Final resin coats
Post Reply
Like
5
Final resin coats
View
Flat Ascending
Flat Descending
Threaded
Options
Subscribe to topic
Print This Topic
Goto Topics Forum
Author
Message
easby
easby
posted 8 Years Ago
ANSWER
HOT
Topic Details
Group: Forum Members
Posts: 6,
Visits: 44
Hi, can anyone give advice on what is causing these air like bubbles are? any info would help. Thanks
Reply
Like
5
GO
Merge Selected
Merge into selected topic...
Merge into merge target...
Merge into a specific topic ID...
Open Merge
Threaded View
Threaded View
Final resin coats
easby
-
8 Years Ago
It's hard to see in that photo. Have you got any thing close up?
Warren (Staff)
-
8 Years Ago
Not sure if this is any better?? They look like air bubbles but do not go with heat Thanks
easby
-
8 Years Ago
it could either be dust in the resin or perhaps more likely, the surface effect of pinholes or small surface voids on lower layers of resin (presume this is skinning?).
Warren (Staff)
-
8 Years Ago
I did panel wipe parts down 1st. Also if I even if i put another layer down still get them? could it be contamination with the resins? temp is around 18 degree
easby
-
8 Years Ago
It could in theory be some kind of contamination in a resin but unlikely the way most resins are made and bottled. Could be as simple as bits in the air landing on it during the cure. Does sanding....
Warren (Staff)
-
8 Years Ago
yes sanding does remove but effectively takes it back to the layer we just put on. Main issue is once part is prepped and ready for 2k lacquer we get the same effect once lacquer goes on. Only real.....
easby
-
8 Years Ago
Epoxy resins are prone to pinholes which is what that looks like.. if your laquaring I put the first coat on and use a brush on the pinholes, just put a heavy coat on and brush the pinholes, it shoul...
Interloper393
-
8 Years Ago
If it is definitely pin holes then as described above, you can literally fill them before lacquering. Brushing into the pinholes is the way. You need the pinholes to fill up with lacquer before you.....
Warren (Staff)
-
8 Years Ago
Post Reply
Like
5
Similar Topics
Post Quoted Reply
Reading This Topic
Login
Login
Remember Me
Reset Password
Resend Validation Email
Login
Facebook
Google
Explore
Messages
Mentions
Search