Starting Point Formulation

UCAR Latex 163S
Weather Barrier Mastic Formulation
(Elastomeric Coating)
Formulation Suggestion WB-2081A

Ingredients

Pounds

Pigment Grind

Water

124.67

CELLOSIZE™ QP-4400H Hydroxyethyl Cellulose

3.32

KTPP

0.83

Ethylene Glycol

16.60

Nopco NXZ

1.25

Ti-Pure R-902

51.53

Atomite

338.30

Eagle 417-W

33.25

Skane M-8

2.50

Tamol 850

3.85
Letdown

UCAR™ Latex 163S

417.25

UCAR Filmer IBT

5.00

Nopco NXZ

1.65

Total:
1000.00


Coating Properties

Pigment Volume Concentration (PVC), %

40.00

Total Solids, %

image

by volume

by weight


53.00
67.30

Tensile Properties

image

Strain Rate, %/min.

Stress, psi

Elongation, %


100
200
300

Tensile Properties, 7-day water immersion

image

Strain Rate, %/min.

Stress, psi

Elongation, %


200
70
800

Water Ponding

image

Water Transmission at 24 hr, mg H2O

Water Vapor Transmission Rate, 336 hr, perms


210
5.7

Low Temperature Flexibility

image 180° Bend at -4°F


No cracking

Water Absorption, 7-day water immersion

image

Film Thickness

Weight Absorption, %

Volume Swell, %


16
9.5
5

Adhesion to Urethane Foam, 180° Peel, lb/in

image

Dry

Wet, 7-day water immersion


7.8**
2.2**

**foam cohesion failure

NOTICE: No freedom from any patent owned by Seller or others is to be inferred. Because use conditions and applicable laws may differ from one location to another and may change with time, Customer is responsible for determining whether products and the information in this document are appropriate for Customer's use and for ensuring that Customer's workplace and disposal practices are in compliance with applicable laws and other governmental enactments. Seller assumes no obligation or liability for the information in this document. NO WARRANTIES ARE GIVEN; ALL IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY EXCLUDED.