ondarvr's Recent Activity

  1. ondarvr posted a new thread.

    Resin chemistry differences globally.

    In a recent thread resin and gel coat properties were discussed, this probably deserves it own thread. One problem that a forum like...

    Forum: Materials

    Mar 8, 2026 at 4:45 PM
  2. ondarvr replied to the thread Vinylester reacting with ISO/NPG gelcoat.

    Now you are very much back on track like normal. Thin gel coat, and gel coat that has been reduced with a solvent won't cure nearly as...

    Mar 8, 2026 at 11:25 AM
  3. ondarvr replied to the thread Twin I/O to Twin Outboard Conversion Project.

    I'll add. The glue you are using is not similar to what's used on glass, it's very different. People like Super 77 because it is very...

    Mar 7, 2026 at 11:44 AM
  4. ondarvr liked comfisherman's post in the thread Vinylester reacting with ISO/NPG gelcoat.

    Was in westport Thursday, circum navigated the facility going to and from the harbor...man that's a big yard. Had alligator cracking on...

    Mar 5, 2026 at 9:00 AM
  5. ondarvr replied to the thread Vinylester reacting with ISO/NPG gelcoat.

    And the one in Westport is just one of their facilities, there's a more modern one in Port Angeles. I used to do a lot with Delta...

    Mar 5, 2026 at 6:52 AM
  6. ondarvr replied to the thread Vinylester reacting with ISO/NPG gelcoat.

    I have supplied gel coat and resin to quite a few builders of yachts that range up to 200', even in Asia, and participated in the gel...

    Mar 4, 2026 at 11:08 PM
  7. ondarvr replied to the thread Vinylester reacting with ISO/NPG gelcoat.

    That's not the intent, the intent is accurate answers to the questions. You wanted to "one up" me by linking irrelevant stuff, then...

    Mar 4, 2026 at 8:01 PM
  8. ondarvr replied to the thread Vinylester reacting with ISO/NPG gelcoat.

    Much of the ACMA best practices information came straight from the testing and recommendations from our applications manual. Almost to...

    Mar 4, 2026 at 3:17 PM
  9. ondarvr replied to the thread Vinylester reacting with ISO/NPG gelcoat.

    This is not what you indicated in your statement. You indicated that he may have waited too long to apply resin, which may have caused...

    Mar 4, 2026 at 12:50 PM
  10. ondarvr replied to the thread Vinylester reacting with ISO/NPG gelcoat.

    Gel coat that has sat too long does not create a problem right away, all will go well. The potential problem is a poor bond to the...

    Mar 3, 2026 at 10:04 PM
  11. ondarvr replied to the thread Vinylester reacting with ISO/NPG gelcoat.

    The cure time can be very specific to the exact gel coat brand and formula, plus the color, they are all different, and any directions...

    Mar 3, 2026 at 9:13 AM