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Sweety

Corsair F-4U 1A Tamiya 1/32 Cockpit resin Eduard

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Hi all,

 

Not much in advance because I had problems with the MRP painting, I had to strip and to begin again  several pieces.

 

I think I've wasted enough time with this product and I'm going back to the Gunze.

 

As half is already done it was a bit complicated to make a mixture of several shades of Gunze to have a similar hue for the other half of the cockpit.

 

The reconstructed pipes.

 

 

Coc.222%20b.jpg

 

Coc.222%20a.jpg

 

Coc.225.jpg

 

Coc.227.jpg

 

Coc.228.jpg

 

Coc.229.jpg

 

 

Sweety

 

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Wow, looks great!

 

18 minutes ago, Sweety said:

Not much in advance because I had problems with the MRP painting, I had to strip and to begin again  several pieces.

I think I've wasted enough time with this product and I'm going back to the Gunze.

 

 

Now that's a statement I don't hear (have never heard) very often.   

I myself went the other direction and gave up on Gunze to go to MRP because of trying to come up with the perfect mix ratio all the time, as well as problems getting a hold of the Gunze colors I needed. (MRP now with SprueBrothers.com so availability for me has greatly increased).

 

 

Gunze or MRP, looking forward to more progress!

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On 1/8/2020 at 7:54 PM, Out2gtcha said:

Wow, looks great!

 

 

 

Now that's a statement I don't hear (have never heard) very often.   

I myself went the other direction and gave up on Gunze to go to MRP because of trying to come up with the perfect mix ratio all the time, as well as problems getting a hold of the Gunze colors I needed. (MRP now with SprueBrothers.com so availability for me has greatly increased).

 

 

Gunze or MRP, looking forward to more progress!

 

On 1/9/2020 at 8:20 AM, nmayhew said:

very interested to hear what your MRP problems were exactly?

 

Hi Out2gtcha and Nmayhew

 

I’ve been using the MRP paint for a short time.

 

The MRP paint has a superb surface condition and an impressive range of hue, easy to apply, in short a very good product.

 

I point out that I’ve used this paint only on resin for the moment.

 

I tested several primers from different brands. Hanging the paint remains problematic on this resin, Gunze or MRP!

 

With Gunze paint if a gluing breaks, the paint is ripped off just under the gluing, simply stick back at exactly the same place.

 

With the MRP paint if a gluing breaks, the paint is shoveled around the gluing and it becomes difficult to repair if not impossible.

For example, I reproduced sticker aluminum flanges. The low voltage of this aluminum around the hose is enough to take off the MRP and take off the surroundings, I never had that problem with the Gunze.

 

The MRP paint once dry on a surface can adhere like latex and can peel with tweezers and remains flexible. This is not possible with the Gunze which is brittle.

 

I find the edges of a masking less accurate with the MRP than the Gunze., probably because of its elasticity.

 

Catastrophic when using some chipping product because nothing holds anymore, masking has low adhesive power including post-it, liquid gum, gluing etc. To limit this problem I apply the chipping product with the brush only in the necessary places that should not be hidden or glued afterwards, it’s valid for the MRP as well as the Gunze.

 

Beware I do not criticize the MRP which is an excellent product I do not have enough experience with it to presume but I go back to the Gunze that suits me better!

 

I do not have an MRP diluent, I dilute it when necessary with isopropylic alcohol which works very well but maybe also deteriorates its grip??

Example of an MRP that peeled,

 

001.JPG

 

See you soon,

Sweety

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Have never had that Latex like effect whilst using MRP but did get it all the time with Vallejo Model Air which is why I stopped using it. I use some resin add ons in my builds and yes, paint adhesion is always an issue with any manufacturer/brand. I have recently swapped my primer to AK Primer, I've only used the black one so far but can't see there being any differences in the 3 colours available other than the obvious colour shade and its effect on the overcoated colours. I've found this primer to have a good bite on all materials and have not experienced any issues with adhesion. I do wash all parts before paint though with washing liquid and hot water. Letting resin parts soak a while. I have had issues when using AK Chipping and Scratch effects with MRP though as you say, it just all comes off rather than a particular area. I've gone back to masking fluid dabbed on with a sponge for chipping and the good old watercolour pencils too. You shouldn't need to dilute MRP. I've not had to in my experience with it. I've found it thin enough from the bottle. A question are you using the Laquer MRP(big bottle) or the Aqua range(small dropper type bottle)? I'll admit if its the Aqua type I've not tried airbrushing those, I have several of them for brushing on where touch ups are required.

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23 hours ago, ade rowlands said:

Have never had that Latex like effect whilst using MRP but did get it all the time with Vallejo Model Air which is why I stopped using it. I use some resin add ons in my builds and yes, paint adhesion is always an issue with any manufacturer/brand. I have recently swapped my primer to AK Primer, I've only used the black one so far but can't see there being any differences in the 3 colours available other than the obvious colour shade and its effect on the overcoated colours. I've found this primer to have a good bite on all materials and have not experienced any issues with adhesion. I do wash all parts before paint though with washing liquid and hot water. Letting resin parts soak a while. I have had issues when using AK Chipping and Scratch effects with MRP though as you say, it just all comes off rather than a particular area. I've gone back to masking fluid dabbed on with a sponge for chipping and the good old watercolour pencils too. You shouldn't need to dilute MRP. I've not had to in my experience with it. I've found it thin enough from the bottle. A question are you using the Laquer MRP(big bottle) or the Aqua range(small dropper type bottle)? I'll admit if its the Aqua type I've not tried airbrushing those, I have several of them for brushing on where touch ups are required.

 

Hello Ade,

Thank you very much for taking the time to answer me and share your experience with me, I really appreciate it.

 

I agree with everything you told me, I realized an F-16 with the Vallejo, than an F-14 with the Gunze and now I’m starting with the MRP.

I was using the MRP Primer which seemed thinner than the AK Primer, I will listen to your advice and redo some tests with the AK Primer.

I was degreasing with Isopropyl alcohol but I will follow your advice and return to washing liquid.

I’m also going to try to dilute the MRP less.

I know that it is small details that make a big difference on the result.

Thank you very much and see you soon.

 

Sweety

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Hi everyone,

 

A few elements to furnish the bottom of the cockpit.

 

The joys of cleaning resin parts.

 

Coc.232.1.JPG

 

We're going to have to get out the engraver's stalls.

 

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To make an old hydraulic pump.

 

Coc.244.1.JPG

 

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The broomstick with the toilets in Boyington.

 

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The rudders.

 

Coc.235.1.JPG

 

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Coc.249.1.JPG

 

See you soon,

Sweety

 

 

Edited by Sweety

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