|
Material Test Report
|
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| Tests
conducted by Mike Adams, Senior Training Officer. |
|
| Scope
of work: |
| Compatibility
tests on the edge of the laminated glass with various glazing
materials, solvents and water. |
|
| Specimens: |
| Sixteen
samples were cut from a larger sheet. Eight of the samples were
5" x 3". The other eight samples were cut 3"
x 3". The exposed interlayer thickness of .090, glass thickness
1/8". |
|
| Equipment: |
| Eight
one gallon polyethylene open top containers with a solvent/water
depth of one inch (1"). Immersed into the fluid a block
of wood 2" x 2" x 2". On top of the container
was a clear piece of glass to stop the solvent/water evaporating. |
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| Procedure: |
|
The sample
piece of glass measuring 3" x3" was placed on top
of the wood block so that all four edges were exposed to the
vapors of the solvent and high humidity of the water. The
pieces of glass measuring 5" x 3" were immersed
into the fluid one inch in depth on the 3" side. The
gallon containers were covered in glass to keep the solvents
and water from evaporating. The samples were removed every
24 hours, up to 192 hours. Then testing on some sample pieces
of glass were terminated and the remaining continued to be
tested.
Two of
the samples tested were for compatibility to structural silicone,
each of the samples were covered on three edges with approximately
1/4" x 1/4" bead of silicone, they were left for
36 hours to cure. We then took two samples and immersed them
in water, and two samples were placed upon the wood blocks.
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| Immersed
Sample Results: |
| Chart
Symbols: NE: No effect, DL (amount): De-lamination
Amount, CF: Complete failure |
| Hours |
24
|
48
|
72
|
96
|
120
|
144
|
168
|
192
|
|
Mineral
Spirit
|
NE
|
NE
|
NE
|
NE
|
NE
|
NE
|
NE
|
NE
|
|
Dibasic
Ester
|
NE
|
NE
|
NE
|
NE
|
DL
1/8"
|
DL
3/8"
|
DL
1"
|
DL
1"
|
|
Acetone
|
DL
1/4"
|
DL
1/4"
|
DL5/16"
|
DL3/8"
|
DL
1"
|
CF
|
STOPPED
|
|
M.E.K.
|
NE
|
NE
|
NE
|
NE
|
DL
1/4"
|
DL
1/4"
|
DL
1/4"
|
DL
1/4"
|
|
Water
|
NE
|
NE
|
NE
|
NE
|
NE
|
NE
|
NE
|
NE
|
|
Alcohol
90%
|
NE
|
DL1/16"
|
DL1/16"
|
DL
1/16"
|
DL
1/8"
|
DL
3/4"
|
DL
1/2"
|
CF
|
|
Dow
995 Silicone
|
NE
|
NE
|
NE
|
NE
|
NE
|
NE
|
NE
|
NE
|
|
G.E.
SCS 2800
|
NE
|
NE
|
NE
|
NE
|
NE
|
NE
|
NE
|
NE
|
|
| Weeks |
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
|
Mineral
Spirit
|
NE
|
NE
|
NE
|
NE
|
NE
|
NE
|
NE
|
NE
|
NE
|
|
Water
|
NE
|
NE
|
NE
|
NE
|
NE
|
NE
|
NE
|
NE
|
NE
|
|
Dow
995 Silicone
|
NE
|
NE
|
NE
|
NE
|
NE
|
NE
|
NE
|
NE
|
NE
|
|
G.E.
SCS 2800
|
NE
|
NE
|
NE
|
NE
|
NE
|
NE
|
NE
|
NE
|
NE
|
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| The
immersed glass & vapor exposed showed similar results. |
|
| Conclusion: |
|
The adhesion
of the interlayer polymer is badly affected by immersing in
solvents, Acetone and 90% Alcohol. They are slightly affected
by Dibasic Ester and M.E.K.P. These solvents should not be
used in contact with the edge of the laminate for any extended
period of time. If the glass is cleaned with any solvents
the edges should be dried with a wet (water) cloth and wiped
dry.
Mineral
spirits, Water and the two Silicones tested showed no affect
after immersing for ten weeks and subsequently the test was
terminated.
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