Safe and Environmentally Friendly Coatings for Swimming Pools

• Customization: Available
• CAS No.: 8029
• EINECS: Stwd8029
• Model NO.: STWD8029
• Color: All Color Can Offer
• Appearance: Liquid
• Main Raw Material: Polyurea
• Method: Handabel Brush, Spray or Roller
• Level: Finish Coat
• Drying Method: Air Drying
• Certification: ISO14001, ISO9001
• Substrate: Steel , Concrete
• Components: Mdi
• Formation Mechanism: Conversion Type
• Transport Package: Iron Bucket Packaging
• Specification: 20kg/group or 25kg/group
• Trademark: STWD
• Origin: Shanghai, China
• Production Capacity: 80000kg/Day

Product Description

            STWD8029 two component rigid polyaspartic topcoat

Descriptions          STWD8029 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 and metal structure surfaces.

Product information

Item	A component	B component
Appearance	light yellow liquid	Color adjustable
Specific gravity(g/m³)	1.05	1.32
Viscosity (cps)@25ºC	350	320
Solid content (%)	56	85
Mix ratio (by weight)	1	5 (clear color)
Surface dry time (h)	30 min
Pot life	20-30min
Recoating interval (h)	Min 1 h; max 18h (20ºC)
Theoretical coverage (DFT)	0.10kg/m2 film thickness 60μm

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# , crud 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~+35ºC
humidity	≤85%
dew point	≥3ºC

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

Product cure time

Substrate temperature	Surface dry time	Foot traffic	Solid dry time
+10ºC	4h	12h	7d
+20ºC	2h	8h	7d
+30ºC	1h	4h	7d

Note: the curing time is different with environment condition especially when temperature and relative humidity changes.

Shelf life
Storage temperature of environment: 5-35ºC
* shelf life is from the manufacturing date and sealed condition
Part A: 10 months     Part B: 10 months
* keep the package drum well sealed.
* store in cool and ventilated place, avoid sunshine exposure.
Package: part A: 25kg/barrel, part B: 25kg/barrel.                       
Product health and safety information  
For information and advice on the safe handling, storage and disposal of chemical products, users shall refer to the most recent Material Safety Data Sheet containing physical, ecological, toxicological and other safety related data.

Integrity declaration     
STWD guarantee all technical data stated in this sheet are based on laboratory tests. Actual testing methods may vary due to different circumstances. Therefore please test and verify its applicability. STWD does not take any other responsibilities except the product quality and reserve the right of any modifications on the listed data without prior notice.