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SWD POLYURETHANE (SHANGHAI) CO., LTD
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reinforced concrete anticorrosion waterproof coating

Details for reinforced concrete anticorrosion waterproof coating

reinforced concrete anticorrosion waterproof coating

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Paint and Coatings

reinforced concrete anticorrosion waterproof coating
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Product description:

SWD952 Series SH112 One component

moisture cure polyurea polyurethane (elastic) system

  reinforced concrete anticorrosion waterproof coating

Descriptions               The reinforced concrete is the largest amount and most widely used construction structural materials in the world. In various environments, such as the cycle of hot and cold, alternating wet and dry and loads impacted, etc. the reinforced concrete cracked and then increased crack with exposure to corrosive media in environment when it penetrated into the interior structure of reinforced concrete and made steel bar rusted. Plus the joint action of water freeze and concrete internal stress, the corrosion of concrete structure will expand, decrease its strength and stiffness, more cracks or peel done if serious. In order to protect the reinforced concrete structure, extend its work life, the technical program of appropriate waterproof anticorrosion of reinforced concrete structures is required to consider in design in the early 1980s in America. Based on this market background, SWD Urethane Co., USA developed environment friendly reinforced concrete anticorrosion waterproof coating and it has become the preferred concrete protection products in European and American market for its superior anticorrosion and waterproof performance.

                                                                                

Characteristics            Based on SWD Urethane Co., USA unique technology formulation, took the high-performance one component polyurea / polyurethane prepolymer resin as main forming materials, the SWD reinforced concrete anticorrosion waterproof coating integrated various technology together, film of coating containing large amount of carbamate bonds, biuret bond and urea bond. It specially includes hydrogen bond and makes large cohesive force among high molecules inside the film. It caused coating possessed super strong properties of anticorrosion, waterproof, wear resistance, temperature variation, aging resistance, chemicals resistance etc. Compared with traditional anticorrosion waterproof products, SWD reinforced concrete anticorrosion waterproof coating has better protective effect, profit ratio of price and properties.

                                                                                 

Specifications

Adhesive strength                               3.5 Mpa( or substrate broken)

Impact strength                                  ≥50kg•cm

Tensile strength                                  18Mpa

Elongation                                      350%

Penetrate resistance                               2.6Mpa

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

Wear resistance  700g/500r                     8mg

Acid resistance (20%H2SO4 or 10%HCI, 30d)           no rust no bubbles no peel

Alkali resistance 40%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  

                                                                                 

Date of performance

Color                        Multiple colors as customers’ need

Luster                        half glazed

Density                       1.06g/cm

Volume solid content            81%±2%

VOC                         ≤178g/L

Recommended dry film thickness   200-350μm

Theoretical coverage             0.23kg/sqm (calculated by the above solids percentage and dry film thickness of 175 microns)

Practical coverage                Allow appropriate loss rate

Dry time                       1-3h

Overcoating interval              min: 3h, max: 28h

Overcoating method              Airless spray, Air spray, Brush, Roller

Flash point                      61

                                                                                  

Recommend procedures                       

No.

Name of products

Layers

Dry film thicknessμm

1

SWD polyurea special primer

1

50

2

SWD reinforced concrete anticorrosion waterproof coating

1

80-150

3

SWD reinforced concrete anticorrosion waterproof coating

1

80-150

Total

 

3

210-350

                                                                                  

Application scopes         Buildings, bridges, tunnels, terminals and a variety of large concrete structure facility base.

                                                                                 

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

                                                                                 

Packing                    20kg/bucket, 25kg/bucket

                                                                                 

Production area              Minhang District, City of Shanghai (30% 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 protection. Do not even contact the surface of wet coating.

                                                                                 

Global applicability         Our company aims to provide worldwide customers the same coating products, but some suitable adjustments will be made to follow up different 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 modifying the listed data without prior notice.

 

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