Двухкомпонентное УФ-стойкое полиаспаратное полиуретановое

Описание и отзывы

Характеристики

 

Descriptions         

 SWD8029 is a two-component high performance anticorrosion decoration UV resistance topcoat, it applies with aliphatic polyaspartic resin prepolymer as main film-forming material, it has excellent property of discoloration resistance and weather resistance.

 

Features and benefits

* the coating film is tough, compact, full light and with bright colors

* no discoloration, no-yellowing, no chalking, anti-aging, with excellent weather resistance and color-preserving decoration effect

* excellent adhesive strength, good compatible with polyurethane, epoxy, chlorinated rubber, alkyd, phenolic and other coating film.

* excellent abrasion resistance, impact resistance

* excellent chemical resistance to acid, alkali, salt and others.

* excellent anticorrosion property

* excellent waterproof property

* excellent durability to reduce lifelong maintenance cost

* extend the service life of the sprayed structure

 

Application scopes

Anticorrosion protective decoration of various reinforced concrete surface and metal structures, also work as topcoat on aromatic polyurethane and polyurea coating surface.

                                                                                

Characteristics             

High reaction activity, this coating has excellent fullness, tough, high impaction and shine gloss, with elastic and impact resistance, wearable and anti-slip. It has high performance of acid resistance, alkali resistance, anti- UV and weather resistance.

Specifications 

 

Typical physical properties

Adhesive strength (concrete base)                   ≥2.5 Mpa 

Adhesive strength (steel base)                        8.2Mpa 

Impact strength                                                ≥50kg•cm 

Tensile strength                                                16Mpa 

Elongation                                                        410% 

Temperature variation                                      -40------+160°C 

Wear resistance  (700g/500r)                             6.2mg 

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

Alkali resistance 10%NaOH, 30d                        no rust no bubbles no peel 

Salt resistance 60g/L, 30d                                   no rust no bubbles no peel 

Salt spray resistance 1000h                                 no rust no bubbles no peel 

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

                                                                                

 

Product information

Color                                   Multiple colors as customers’ need 

Finish                                   gloss

 Density                              1.03g/cm3 

Volume solid content            90% above 

VOC                                    ≤13g/L 

Recommended dry film thickness   500-1000μm 

Theoretical coverage             0.59kg/sqm (calculated by the above solids percentage and 500 microns) 

Practical coverage                 Allow appropriate loss rate 

Dry time                              1-3h 

Overcoating interval              min: 3h, max: 30h 

Application method              Airless spray, Air spray, Brush, Roller                                                                           

 

Typical physical properties

Item	Test standard	Results
Tensile strength(Mpa)	ASTM D-412	17
Elongation rate(%)	ASTM D-412	368
Abrasion resistance (750g/500r) mg	HG/T 3831-2006	5
Impact resistance  kg·cm	GB/T 1732	50
Anti-aging, accelerated aging 1000h	GB/T14522-1993	Loss of light<1, chalking <1

 

Chemical resistance

Acid resistance 10%H2SO4 or 10%HCI, 240h	no rust, no bubbles, no peel off
Alkali resistance 5%NaOH, 240h	no rust, no bubbles, no peel off
Salt resistance 30g/L, 240h	no rust, no bubbles, no peel off
Salt spray resistance 1500h	no rust, no bubbles, no peel off
Oil resistance, 0# diesel, crude oil	no rust, no bubbles, no peel off
Waterproof, 48h	No bubbles, no wrinkled, no color-changing, no peel off
( For reference: pay attention to the influence of ventilation, splash and spillage. Independent immersion testing is recommended if requires other specific data.)

             

Processing recommendation

environment temperature	-5~+35℃
humidity	≤85%
dew point	≥3℃

 

Application instructions

Hand brush, roller

Air spray, with air pressure 0.3-0.5Mpa

Airless spray, with spray pressure 15-20Mpa

Recommend dft: 30-60μm

Recoating interval: ≥3h                                                                         

 

Application tips

Agitate part B uniform prior to application.

Strictly mix the 2 parts in right ratio and agitate uniform.

Seal the package well after use to avoid moisture absorption.

Keep the application site clean and dry, forbidden to contact with water, alcohols, acids, alkali etc

Packing                   20kg/ bucket, 25kg/bucket

 

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 with standard coating products, however custom adjustments can be made to adapt and leverage different regional conditions and international norms. In this case, additional 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.