Starting Point Formulation

UCAR Latexes 627
Superior Stain Resistance Formulation
Formulation Suggestion E-2490
Ingredients
Pounds
Gallons
Pigment Grind

Water
83.3
10.00

Tamol 681(1)
18.2
1.98

Propylene Glycol
34.6
4.00

Colloid 643(2)
1.8
0.24

Troysan 586(3)
1.2
0.13

Ti-Pure R-902(4)
125.0
3.66

Minex 4(5)
72.9
3.36

IT 325(6)
75.0
3.14

Eagle Zinc 417W(7)
20.0
0.43
Letdown

Water
52.1
6.25

UCAR™ Latex 627
545.4
62.26

UCAR Filmer IBT
13.5
1.79

Skane M8(1)
2.2
0.24

Colloid 643(2)
1.9
0.26

Acrysol RM-2020 NPR(1)
13.1
1.43

Acrysol RM-825(1)
2.2
0.24

Ammonium Hydroxide, 28% Aqueous Solution
1.9
0.25

Igepal CTA 639W(2)
4.0
0.44
Total:
1,068.3
100.10
Suppliers:
(1) Rohm and Haas
(2) Rhône-Poulenc
(3) Troy
(4) Du Pont
(5) Unimin
(6) Vanderbilt
(7) Eagle Zinc


Paint Properties
PVC, %
0.28
Volume Solids, %
37.5
Weight Solids, %
0.51
Weight per Gallon, lb
10.68
Coalescing Solvent, %
5.38
Dispersant, %
2.5
Stormer, KU
94
ICI, poise
0.9
pH, initial, min.
8.5
Freeze-thaw Stability 5 cycles
None
Heat-Aged Stability 2 weeks at 120°F
Pass
Film Properties
Tannin Stain Resistance - Primer and Topcoat

Cedar
Very Good

Redwood
Very Good

Interior Stain Holdout

Crayon
Very Good

Red Ink
Fair

Pencil
Very Good

Marker
Very Good
Wet Adhesion, 7-day dry(1), %
100
(1) Alkali scrub method.

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