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SWD POLYURETHANE (SHANGHAI) CO., LTD
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industry gas tank special anticorrosion coating

Details for industry gas tank special anticorrosion coating

industry gas tank special anticorrosion coating

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Paint and Coatings

industry gas tank special anticorrosion coating
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Product description:

SWD952 Series SH122 One component

    moisture cure polyurethane (elastic) system

        industrial gas tank special anticorrosion coating

  ­­­­­­­

Descriptions                The gas tank is mainly made of carbon steel. After its application, the steel structure surface is seriously rusted for it stays in the high corrosion ambient condition for a long period. The main composition of gas is carbon monoxide, hydrogen, methane and its main corrosion composition is naphthalene, ammonia, hydrogen sulfide, hydrogen cyanide, etc. The traditional epoxy resin anticorrosion system coating often powders and cracks after used for 1-3 years seriously affect the life of gas tank. SWD Urethane Co., USA developed one component gas tank special anticorrosion coating in the 1980s, verified through practical application the coating expands the life of gas tank for above 20 years.

                                                                               

Characteristics             This anticorrosion coating specially designs for gas tanks. It applies with one component polyurea polyurethane resin, curing by absorption and reaction with air moisture. The coating contains large amount of biuret bond, urea bond, urethane bond and inside of the high molecules forms hydrogen bond, which makes the product has excellent performances of hydrogen sulfide resistance, ozone resistance, acid resistance, alkali resistance, salt resistance and various chemical materials. Coating is dense and tough, with excellent seal properties, water resistance, wet resistance, temperature variation and washing wear resistance, providing a comprehensive protection for gas tanks.

                                                                                

Specifications

Adhesive strength                            9.8Mpa

Impact resistance                             ≥50kg•cm

Tensile strength                              19Mpa

Elongation                                  360%

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

Wear resistance700g/500r                  9mg

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 2000h                      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                       1.07g/cm3

Volume solid content            80%±2%

VOC                         ≤185g/L

Recommended dry film thickness   200-250μm

Theoretical coverage             0.27kg/sqm (calculated by the above solids percentage and dry film thickness of 200 microns)

Practical coverage                Allow appropriate loss rate

Dry time                       1-3h

Overcoating interval              min: 3h, max: 30h

Overcoating method              Airless spray, Air spray, Brush, Roller

Flash point                      53℃

                                                                                  

Recommend procedures

 

No.

Name of products

Layers

Dry film thicknessμm

1

SWD one component iron oxide red anticorrosion primer

1

50

2

SWD industry gas tank special anticorrosion coating

1

80

3

SWD industry gas tank special anticorrosion coating

1

80

Total

 

3

210

 

                                                                                

Application scopes          various gas tanks in chemical, iron and steel industries.

                                                                                 

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

                                                                                 

Packing                    20kg/bucket. 25kg/bucket

                                                                                 

Production area             Minhang District, City of Shanghai23% 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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