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GENERAL MAINTENANCE
APPROXIMATE POT LIFE
ESTIMATING COATING COVERAGE
WEST SYSTEM 105 RESIN/207 or 209 HARDENER
QUANTITY OF MIXED EPOXY
Group Size A 1.3 qt (1.26L).
Group Size B 1.3 gal. (4.98L)
Group Size C 5.8 gal. (21.9L)
SATURATION COAT
POROUS SURFACES
90 - 105 sq. ft. (9 - 10 m2)
370 - 430 sq. ft. (35 - 40 m2)
1675 - 1955 sq. ft. (155 - 180 m2)
BUILD-UP COATS
NON-POROUS SURFACES
120 - 135 sq. ft. (11 - 13 m2)
490 - 550 sq. ft. (45 - 50 m2)
2235 - 2520 sq. ft. (207 - 233 m2)
Adding Fillers or wetting out fabrics will decrease coverage
HUMIDITY=30% POT LIFE (MINUTES)
MIX QUANTITY=100g
Variations in temperature will affect the pot life of the mixed epoxy. Note that the higher the mixture’s temperature, the
shorter the working pot life.
ALWAYS MIX RESIN AND HARDENERS FIRST BEFORE ADDING FILLERS AND ADDITIVES
No. 209 Extra-Slow Hardener
No. 205 Fast Hardener
WES FIG5523
209 Extra-Slow Hardener is formulated for use with WEST SYSTEM Brand 105 Resin in extremely warm and/or humid conditions for general bonding and coating applications, providing approximate- ly twice the pot life and working time as 206 Slow Hardener. 209 Extra Slow Hardener will provide adequate pot life up to 110°F (43° C). May also be used in normal temperatures — 65°F (18°C) to 72°F (22°C) — when additional pot life and assembly time may be desir- able. Provides 15 to 20 minutes of pot life at 95°F (35°C) and 40 to 50 minutes at 72°F (22°C). Will cure to a solid state in 6 to 8 hours at 95°F and in 20 to 24 hours at 72°F. Maximum strength occurs over the next 4 to 9 days. Forms a clear, amber-colored solid. Not rec- ommended for clear coating.
USE WITH SPECIAL RATIO DISPENSING PUMP
mfr
Part No.
209SA* 209-SB* 209-SC*
Part No.
300
*
WES
207 Special Coating Hardener is formulated for use with WEST SYSTEM Brand 105 Resin in coating applications where an extreme- ly clear finish is desired, especially when working in humid and/ or low-temperature conditions. Also provides adequate adhesion for bonding applications. Contains a UV-stabilization additive. Increases the longevity of oil and polyurethane varnishes. Provides 20-25 minutes of pot life at 72°F (22°C), and will cure to a solid state in 9 to 12 hours. Minimum recommended temperature is 60°F (16°C). Maximum strength occurs over the next 4 to 7 days. Use #300 pump set to achieve the proper 3 parts 105 Resin to 1 part 207 Hardener mixture. May also be dispensed with 306-3 high capacity pumps.
Part No.
205A 205B 205C
Each Size
$23.85 .44 Pint
$49.85 .86 Quart $186.35 .94 Gallon
Lbs. Case
.6 4 2.4 4 9.3 4
Each
$42.30
$96.00 $306.05
$20.20
Size Ratio
.66 pts. 3:1
.33 gal. 3:1 1.45 gal. 3:1
PUMPS
Description
mfr
Case
4 4 1
Case
Pump Set for A,B,C No.105 Resin 12
For Dispensing Pump — See Part No. 300
WES FIG5501
205 Fast Hardener is used to produce a rapid cure which develops its physical properties quickly. It is an epoxy curing agent consisting of a formulated mixture of polyamines of medium viscosity. When mixed with the 105 Resin in a five-part resin to one-part hardener ration, the cured resin/hardener mixture yields a rigid, high-strength solid which has excellent cohesive properties and provides an excellent moisture vapor barrier. The No. 105 Resin/No. 205 Fast Hardener mixture has a pot life of 9 to 12 minutes at 72°F (22˚C) Minimum recommended temperature is 40°F (4°C). Cures to a solid state in 6 to 8 hours and to maximum strength in 1 to 4 days. Not recommended for clear coating. USE WITH A DISPENSING PUMP
Each
WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov No. 207 Special Coating Hardener
FIG 5522
TEMPERATURE vs. POT LIFE HUMIDITY = 30% R.H., QUANTITY MIXED = 100G
mfr
Part No.
207SA 207-SB 207-SC
USE WITH SPECIAL RATIO DISPENSING PUMP
Comparison of hardener pot life vs. temperature. 100g mixtures with 105 Resin.
Each
$48.95 $104.80 $339.15
Size
.66 pts.
.33 gal. 1.45 gal.
Ratio Case
3:1 3:1 3:1
4 4 1
WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov
RESIN & FIBERGLASS PRODUCTS