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How to secure a mineral inside a plastic box?
  
  Index -> Conserving, Preparing and Cleaning Minerals
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cascaillou




Joined: 27 Nov 2011
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PostPosted: May 24, 2021 12:11    Post subject: How to secure a mineral inside a plastic box?  

I'd like to display some specimens inside transparent plastic boxes, and I would glue each specimen inside its box (so that the specimen won't move even if the box is shaked around or turned upside down).

My criterias for the adhesive material are as follows:

-colorless (and doesn't turn yellowish with time)
-water-free and non acidic
-easily removable with acetone
-providing a strong hold (for specimens which are 6 to 8cm in size)

What type(s) of glue would match those requirements?
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bob kerr




Joined: 13 Nov 2011
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PostPosted: May 24, 2021 12:52    Post subject: Re: How to secure a mineral inside a plastic box?  

Adam Wright of the crocoite Adelaide mine has been attaching delicate specimens for years to the inside of clear acrylic boxes - these boxes are not always airtight but could probably be made so. he uses one adhesive that is soluble by acetone and also hot glue which is soluble in alcohol.

maybe best to contact him:
theadelaidemine dot com

bob
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bob kerr




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PostPosted: May 24, 2021 13:27    Post subject: Re: How to secure a mineral inside a plastic box?  

i found some closeup photos of Adam's mounted specimens. he also uses hot glue which can be removed via warm alcohol but may yellow with age. He mounts these mainly for protection and it's up to the new owner to decide if he wants to remove the specimen for final display - although his displays are fine with me and not worth the risk to handle them further.

bob



DSCN3879.JPG
 Mineral: crocoite
 Locality:
Adelaide Mine, Dundas mineral field, Zeehan District, West Coast Council, Tasmania, Australia
 Description:
note glue which is soluble in acetone
 Viewed:  1339 Time(s)

DSCN3879.JPG



DSCN3876.JPG
 Mineral: crocoite
 Locality:
Adelaide Mine, Dundas mineral field, Zeehan District, West Coast Council, Tasmania, Australia
 Description:
 Viewed:  1336 Time(s)

DSCN3876.JPG



DSCN3875.JPG
 Mineral: crocoite
 Locality:
Adelaide Mine, Dundas mineral field, Zeehan District, West Coast Council, Tasmania, Australia
 Description:
 Viewed:  1340 Time(s)

DSCN3875.JPG


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cascaillou




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PostPosted: May 24, 2021 16:54    Post subject: Re: How to secure a mineral inside a plastic box?  

I'll send an email (although I'd go with a little less glue)
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bob kerr




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PostPosted: May 24, 2021 17:05    Post subject: Re: How to secure a mineral inside a plastic box?  

cascaillou wrote:
I'll send an email (although I'd go with a little less glue)


yah - but don't forget that Adam is shipping these from Tasmania to Tucson. i guess i would over-do the glue on these wonderful and expensive specimens also.

bob
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vicen




Joined: 25 Aug 2011
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PostPosted: May 25, 2021 03:32    Post subject: Re: How to secure a mineral inside a plastic box?  

I will recommend you Paraloid B72. Paraloid B-72 is an Acryloid (copolymer of ethyl methacrylate and methyl acrylate). The secret for it's strength is to leave it to dry for 24 hours. It has all the criteria that you are looking for
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Natural Sciences Department
National Museums Scotland
242 West Granton Road
Edinburgh EH5 1JA
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