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SWD POLYURETHANE (SHANGHAI) CO., LTD
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hand brushable thick film polyurea landfill field special anticorrosion penetrate resistance coating

Details for hand brushable thick film polyurea landfill field special anticorrosion penetrate resistance coating

hand brushable thick film polyurea landfill field special anticorrosion penetrate resistance coating

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hand brushable thick film polyurea landfill field special anticorrosion penetrate resistance coating
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SWD952 Series SH108 One component

 hand brushable thick film polyurea

landfill field special anticorrosion penetrate resistance coating

 

Descriptions                 As the constant expansion of cities scale around the globe, the handling capacity of urban garbage also keeps increasing. Refuse landfill as the main method to deal with that, has widely applied among countries and regions. Therefore, landfill projects in bulk are under construction. In order to solve the environment pollution problems caused by leakage landfill, SWD Urethane Co., USA developed one component polyurea hand brushable coating material special used for landfills. The performance technique is to dig a big hollow hole on the ground, and set a geotextile around the hole including the bottom, then spray polyurea elastomer coating on it. The coating will permeate into the geotextile and cohere with it, forming a seamless penetrate resistance layer. After the filling of garbage, set another geotextile in the same way, spray polyurea again to cover the garbage, just like a huge bag. Due to the excellent physical and anticorrosion performance, it ensures that liquid in the garbage would not be leaked to pollute the soil.                                                                                      

                                                                                

 

Characteristics             Applied with unique formulas, the coating is cured by absorption and reaction with air moisture. It has high adhesive strength with substrate, dense, tough, no bubbles and no pinholes. There are large amount of biuret bond, ammonia ester bond and hydrogen bond to make it excellent in properties of mechanical physical resistance, penetrate resistance and anticorrosion. In addition, it has outstanding comprehensive chemical media resistance abilities such as acid, alkali, salt, oil, wet resistances and temperature variation. One component product is easy to coat, brush, roll or spray no special need for professional spray equipment. It’s also environment protection, without pollution during or after performance.

                                                                                

Specifications

Adhesive strength (with geotextile)             2.5Mpa

Impact resistance                            ≥50kg·cm

Tensile strength                             15Mpa

Elongation                                 220%

Penetrate resistance                          2.3Mpa

Temperature variation                        -40------+160

Wear resistance700g/500r                  11mg

Acid resistance

40%H2SO4, 15%HCL, 30d                      No rust, no bubbles, no peel done

Alkali resistance40%NaOH, 30d                 No rust, no bubbles, no peel done

Salt tolerance 100g/L, 30d                      No rust, no bubbles, no peel done

Salt spray resistance, 1000h                     No rust, no bubbles, no peel done

Oil resistance 0#diesel, crude oil, 30d              No rust, no bubbles, no peel done

                                                                                 

Data of performance

Color                     Multiple colors as customers’ need

Luster                     glazed

Density                   1.05g/cm3

Volume solid content         83%±2%

VOC                     ≤145g/L 

Dry film thickness          500-1000um

Theoretical coverage        0.60kg/(measured by solid contents above and dry film        

                         thickness 500 µm)

Practical coverage          allow appropriate loss rate

Dry time                 1-3h

Overoating intervals        min: 3h; max: 28h

Overcoating method        Airless spray, Air spray, Brush, Roller

Flash point                65°C

                                                                                     

 Recommend procedures

No.

Name of products

Layers

Dry film thicknessμm

1

Geotextile

1

1000

2

SWD landfill special polyurea

1

500

Total

 

2

1500

 

                                                                                 

Application scope            Landfills 

                                                                                 

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

                                                                                 

Packing                   20kg/bucket; 25kg/bucket

                                                                                 

Production area           Minhang District, City of Shanghai (28%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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