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SWD POLYURETHANE (SHANGHAI) CO., LTD
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industry desulfurization equipment internal wall special anticorrosion coating

Details for industry desulfurization equipment internal wall special anticorrosion coating

industry desulfurization equipment internal wall special anticorrosion coating

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Paint and Coatings

industry desulfurization equipment internal wall special anticorrosion coating
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Product description:

 SWD959 Series SH127 One component moisture cure

    polyurethane (rigid) system industry desulphurization

unit internal wall special anticorrosion coating

Descriptions               In the production process of chemical industry, many procedures require to reduce the H2S percentage in the material to reach the technical standards by the desulfurization system. The corrosion environment in desulfurization unit is a very serious and will be corrosion damaged very quick without effective protection measures. It will not only affect the quality of production and may lead to security accidents. To solve this issue, SWD Urethane Co., USA developed special anticorrosion coating which has high performances of stable in corrosive chemical media H2S and ammonia and etc. in temperature of 180℃.

                                                                                

Characteristics          SWD industry desulfurization unit internal wall special anticorrosion coating is an environment friendly high-tech product developed by SWD Urethane Co., USA in 1980s. This coating takes the environment friendly MDI system polyurethane resin as main film forming elements, curing by absorption and reaction with air moisture. The role of hydrogen bonds and the presence of urea bonds make it to be excellent in properties of acid resistance, alkali resistance, sulfide resistance, oil and water resistance and heat stable. Coatings have high adhesive strength with substrate, good performances of impact strength and wear resistance can withstand the high-speed erosion of gas-liquid materials, creating an effective protection for the desulfurization unit.

                                                                                

Specifications

Adhesive strength                            11.3Mpa

Impact resistance                             ≥50kg•cm

Temperature variation                         -40------+180℃

Wear resistance700g/500r                  8mg

Acid resistance 50%H2SO4 or 20%HCI, 30d         no rust no bubbles no peel

Alkali resistance 50%NaOH, 30d                 no rust no bubbles no peel

Salt resistance 100g/L, 30d                       no rust no bubbles no peel

Salt spray resistance 1500h                       no rust no bubbles no peel

Oil resistance 0# diesel Crude oil 30d              no rust no bubbles no peel

                                                                                        

Data of performance

Color                        Multiple colors as customers’ need

Luster                        half glazed

Density                       1.08g/cm3

Volume solid content            78%±2%

VOC                           ≤176g/L

Recommended dry film thickness   150-250 μm(system)

Theoretical coverage             0.21kg/sqm (calculated by the above solids percentage and dry film thickness of 150 microns)

Practical coverage                Allow appropriate loss rate

Dry time                       1-3h

Overcoating interval              min: 3h, max: 24h

Overcoating method              Airless spray, Air spray, Brush, Roller

Flash point                      51℃

                                                                                  

Recommend procedures

No.

Name of products

Layers

Dry film thicknessμm

1

SWD one component iron oxide red anticorrosion primer

1

50

2

SWD industry desulfurization unit internal wall anticorrosion coating

1

80

3

SWD industry desulfurization unit internal wall anticorrosion coating

1

80

Total

 

3

210

                                                                                

Application scopes          Petrochemical plant desulphurization unit anticorrosion, fertilizer plant desulphurization unit anticorrosion, salinization plant desulphurization unit anticorrosion, power plant desulphurization unit anticorrosion and other types of chemical plant desulphurization unit anticorrosion.

                                                                                 

Shelf life                  10 months (Indoor with dry and cool conditions)

                                                                                 

Packing                    20kg/bucket. 25kg/bucket

                                                                                 

Production area             Minhang District, City of Shanghai 20% of raw materials imported from SWD US

                                                                                 

Security                   To apply this product must be accordance with the relevant national regulation of sanitation, safety and environment. Avoid contacting the wet coating.

                                                                                 

Global applicability         Our company aims to provide worldwide customers the same coatings, but sometimes, some small adjustments are made to satisfy each region conditions and international norms, in this case, an alternative product data will be provided

                                                                                   

 Integrity declaration         Our company guarantees the reality of the listed data, due to the diversity and variability of the application environment, please test and verify it before use. We don’t take any other responsibilities except the coating quality self and reserve the right of modification the listed data without prior notice.

 

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