 |
| Stearic
Acid (Crystals) |
to |
Titanium
Tetrachloride |

| EXPLANATION
OF RATING |
| E
(e)* = EXCELLENT |
THE
PLASTIC WAS UNAFFECTED IN ANY WAY FOR THE DURATION
OF THE TEST
|
| G
(g)* = GOOD |
A
VERY SLIGHT CLOUDING OR DISCOLORATION TOOK PLACE.
EXPECTED LIFE MONTHS TO YEARS.
|
| F
(f)* = FAIR |
MODERATE
EFFECT. SLIGHT ETCHING, SOME DISCOLORATION,
POSSIBLY SOME DIMENSIONAL CHANGES. EXPECTED
LIFE WEEKS TO MONTHS.
|
| P
(p)* = POOR |
CONSIDERABLE
CHANGES. EXPECTED LIFE-DAYS
|
| N
(n)* = NOT RECOMMENDED |
SEVERE
ATTACK. PLASTIC BECAME SOFT IN A FEW HOURS,
AND UNSTABLE WITHIN A FEW DAYS OR BY END OF TEST
|
| S
(s)* = SOLVENT |
DISSOLVES
THE PLASTIC.
|
| *
LOWER CASE LETTERS EXPRESS OPINIONS |
|

| TEST
TEMPERATURES |
75°
F |
125°
F |
|
Stearic Acid (Crystals)
|
E |
E |
|
Strontium Bromide
|
e |
e |
|
Strontium Salicylate (Powder)
|
e |
e |
Saturated
|
e |
e |
|
Sucrose
|
e |
e |
|
Sulfur Chloride
|
P |
n |
|
Sulfur Dioxide Dry
|
E |
E |
Moist
|
E |
E |
Liquid
under 46 psi presure
|
G |
f |
|
Sulfuric Acid 1%-6%
|
e |
e |
10%
|
E |
G |
16%
|
E |
G |
20%
|
e |
g |
30%
|
E |
G |
40%
|
e |
g |
50%
|
e |
g |
60%
|
E |
G |
70%
|
e |
g |
80%
|
g |
f |
90%
|
f |
p |
98%
|
F |
N |
|
Sulfur Ointment
|
E |
e |
|
Sulfurous Acid 5%
|
G |
F |
6%
|
g |
f |
10%
|
g |
f |
Concentrated
|
f |
n |
|
Sulfur Trioxide
|
g |
g |
|
Sulfuryl Chloride
|
n |
n |
|
Tannic Acid (Powder)
|
E |
e |
1%
|
e |
e |
20%
|
e |
e |
Saturated
|
e |
e |
|
Tartanic (Powder)
|
e |
e |
Saturated
|
e |
e |
|
Tea (Brewed)
|
e |
e |
Moist
Leaves
|
e |
e |
Instant
|
e |
e |
|
Tea (Instant Paste)
|
e |
e |
|
Tetrachloroethane
|
f |
p |
|
Tatrachlorophenol-2,3,4,6
|
E |
F |
|
Tetrahydrofuen
|
p |
n |
|
Tetralin
|
n |
n |
|
Trioglycolic Acid
|
e |
e |
|
Titanium Tetrachloride
|
p |
n |
|
|
|
|
| Stearic
Acid (Crystals) |
to |
Titanium
Tetrachloride |
|
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