Starting Point Formulation

UCAR Latex 163S
ASTM C 920 Compliant (25%) Caulk
Formulation Suggestion K-2224

Ingredients

Parts by Weight

UCAR™ Latex 163S
459.83

Santicizer 160
106.72

Ethylene Glycol
9.10

TRITON™ Nonionic Surfactant X-405
3.40

Tamol 850
1.30

Kathon LX (1.5%)
1.75

Mineral Spirits
13.00

Silane A-187
1.05

Drikalite
393.55

Ti-Pure R-902
6.50

CELLOSIZE™ ER-15M Hydroxyethyl Cellulose
1.75

Ammonium Hydroxide (28%)
2.05
Total:
1000.00


Caulk Properties

Pigment-to-Binder Ratio
1.50

Pigment to Total Binder
1.05

Plasticizer, phr
40.00

ASTM C 661
image

Indentation Hardness


12.0

ASTM C 719
Cyclic Movement (Class A)
image

Glass

Aluminum



Pass
Pass

ASTM C 793
image

Low Temperature Flex


Pass-no cracking

ASTM C 794
 Adhesion in Peel, pli
image

Glass

Aluminum



16.7, 100% cohesive failure
16.5, 100% cohesive failure
ASTM C 834 Test

ASTM C 731
image

Extrudability, g/sec


18.29

ASTM C 732
Artificial Weathering
image

Wash Out

Slump

Cracking

Loss of Adhesion
Discoloration



None
None
None
None
None

ASTM D 2202
image

Slump


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