Multifunctional Chemical Resistant Coating Supplier in China
Multifunctional Chemical Resistant Coating Coating paint coating manufacture Shenzhen China  
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Multifunctional Chemical Resistant Coating

PRODUCT SPECIFICATIONS:

HJ-8160 Multifunctional Chemical Resistant Coating is a 100% solids, novolac epoxy coating. HJ-8160 can be used for protection of concrete, wood, and steel from acids and other severe chemical environments. HJ-8160 is suitable for applica­tion by brush, roller, or spray. Ultimate properties are achieved by post curing at 0–250°F for two (2) hours. This provides a cured film, which may be handled within a short period of time.
WheretoUse:
• Tanks and vessels
• Floor coating
• De-min concrete pads • Waterboxes
• Heat exchangers
• Condensers • FGD scrubber ducts
PHYSICAL PROPTIES:
Finish  High Gloss
Color Gray
Specific Gravity 1.3
Pot Life minutes @ 77°F
Dry Time 3 hours @ 77°F
Recommended Film Thickness -
30 mils/min.; 40 mils/nominal;
45 mils/max.
Coverage Rate One gallon covers approximately 53 square feet at 30 mils
Flash Point Above 0°F
CuredProperties:
Compressive Strength 14,000 p.s.i.
ASTM D-695/7 Days
Flexural Strength 13,000 p.s.i.
ASTM D-790/7 Days
Tensile Strength 7,500 p.s.i.
ASTM D688/7 Days
Shear Strength 2,300 p.s.i.
ASTM D-1002 Tensile Steel to Steel
Operating Temperature Wet: 300°F
Dry: 400°F
PH Range 0.5 - 13.5
CHEMICAL RESISTANCE:
The following represents percent flexural strength retained after two weeks cure at 77°F followed by 30 days immersion in the chemical environment as described.
@ 77°F @ 140°F
45% Nitric Acid 100% + min. 100% + min.
25% Acetic Acid 100% + min. 100% + min.
35% Hydrochloric Acid 100% + min. 100% + min.
% Sulfuric Acid 100% + min. 100% + min.
Skydol 100%
15% Sodium Hypochlorite 100% 97%
50% Potassium Hydroxide 100% + min. 100% + min.
30% Sodium Hydroxide 100% + min. 100% + min.
50% Sodium Hydroxide 99% 97%
CureCycle:
The following standards may be used in assessing what activi­ties can be carried out after an application of HJ-8160.
Temperature 75°F
Overcoating 2 hours
Movement/Light Stress 4 hours
Traffic Bearing 12 hours
Immersion/Full Chemical Exposure 5 days
Force cures should be used to either enhance chemical resis­tance or to allow the coating to be placed in service before 5 days. Allow a minimum cure of 12 hours before force curing.
Force Cure Schedule  
Minimum 2 Hours @ 150°F
Maximum 4 Hours @ 250°F
NOTE: This product will cure at temperatures as low as 40-45°F. However, additional curing time must be provided at low temperatures.
SURFACE PREPARATION:
Remove all grease, dirt and other contaminants from the surface prior to sandblasting. Grind sharp edges to a minimum radius of 1/8”. Remove all weld splatters. Sandblast to a white metal finish according to SSPC-SP-5-63 with a minimum anchor profile of 3 mils.
MIXING:
Mix ratio is two parts by volume base (“A”) to one part by volume hardener (“B”).
(continued on back)
APPLICATION:
HJ-8160 can be applied by brush, roller or airless spray equip­ment. HJ-8160 is designed to be spray applied at 10 to 15 mils per coat. Relative humidity during the coating process should be a maximum of 90% for application to commence.
A minimum of two coats is recommended. If the second coat is applied before the first coat cures, no surface preparation is required. Simply apply the second coat maintaining the required mils per coat. However, if the first coat has cured (when it is tack free), the first coat must be brush blasted prior to the sec­ond coat.
SHELF LIFE: 2 years
Cleaning:
Clean all equipment immediately after use with MEK or Similar Solvent.
CAUTION:
WARNING! “A” Component contains epoxy resin. DANG! “B” Component contains alkaline amines; strong sensitizer. May cause skin sensitization or other allergic responses. Use with good ventilation, particularly if material is heated or sprayed. Prevent all contact with skin or eyes. Wear protective clothing, goggles, gloves and/or barrier creams. Keep container closed when not in use. Wash thoroughly after handling.
FirstAid:
In case of skin contact, immediately wash with soap and water. In case of eye contact, flush eyes with copious amounts of water for at least fifteen (15) minutes. Remove contaminated clothing and shoes. If irritation persists, seek medical attention. Wash clothing before reuse.



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