|
DATE: March 14, 1994
|
TEST METHOD: ASTM D-1308:
|
Standard Test Method for Effect of Household Chemicals on Clear and Pigmented Finishes.
(Chemical Soak Test with Nine Test Solutions)
|
|
COATING SYSTEM:
|
PROTECTO 401 CERAMIC EPOXY Lining: Plant applied Protecto 401 lined ductile iron pipe (DIP) cut into
3 inch x 4 inch coupons.
|
|
TEST DURATION and CONDITIONS:
|
1080 hours (45 days), Room temperature, panels submerged 50% to provide liquid and
vapor phase testing.
|
|
Coupons, cut from plant applied Protecto 401 Ceramic Epoxy lined pipe, were subjected to specific 1080 hour (45 day), 70°C partial submersion in a series of
strong chemicals. The test solutions and results are tabulated below.
|
| |
CHEMICAL SYSTEM
3% Sulfuric Acid
10% Sulfuric Acid
5% Sodium Hydroxide
20% Sodium Hydroxide
25% Sodium Hydroxide
10% Hydrochloric Acid
Gasoline
Toluene
DI Water
Hot Water (45 day @ 76°C)
|
RESULTS
Pass: Coating unaffected; Corrosion to opposite side of metal coupon.
Pass: Coating unaffected; Corrosion to opposite side of metal coupon.
Pass: Coating unaffected.
Pass: Coating unaffected.
Pass: Coating unaffected.
Pass: Coating unaffected; Heavy corrosion loss to opposite side of coupon.
Pass: Coating unaffected; Some discoloration of gasoline.
Pass: Coating unaffected; Some discoloration of toluene.
Pass: Coating unaffected.
Pass: Coating unaffected.
|
CERTIFIED
|

_________________
Dr. George Mills
|
Date: 12 July 1994
|
|