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| Thursday, June 12, 2008 |
| PAINTING OF UNDER WATER |
 SURFACE PREPARATION
Steel :
surface to be coated should be free from oil, dirt, marine growth, sharp edges, weld splatter etc. optimum performance of UWC Coating will be obtained if the surfaces are cleaned by abrasive blasting to:
1. White metal
2. Surface profile 50-75microns
Concrete :
Remove all dirt, oil, grease, etc and any loose material. All laitance to be removed by light grit blasting or high pressure water blasting for optimum adhesion of coating.
Big holes and honeycomb areas in concrete should be filled with an approved grout prior to application of UWC Coating.
MIXING INSTRUCTION
1. Remove lid from base component can and mix without entrapping air to ensure may material settled out on bottom of the can is re-dispersed to produce a homogenous blend.
2. Pour all contens of hardener component can into the can base component and mix throughly for approximately 5 minutes without entrapping excess air
3. Mixing ratio base : hardener =1:1
METHOD OF APPLICATION
1. It is recommended that SIMAGUARD UWC EP COATING be applied using the specially developed product application machine (PAM),spray application onto dry or wet substrates above water, power fed brush or roller application underwater
2. Application should be carried out only by personal experienced with chemically reactive coatings.
3. Operation of this unit is fully covered in the operation & Maintenance manual supplied with the equipment.
4. Alternative methods are brushing and hands gloves |
posted by Adi Kusumahadi @ 12:20 AM  |
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