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PS166 Acrylic Polysiloxane Topcoat

This is a two-component chemically cured acrylic polysiloxane coating free of isocyanates. As a high-solids product, it exhibits excellent gloss and color retention, outstanding mechanical properties, and superior chemical resistance. It allows recoating at any stage of curing and can cure at low temperatures as low as 0°C. Being isocyanate-free, it does not generate diisocyanates during pyrotechnic operations, welding, or fire accidents.

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SKU: PS166 Acrylic Polysiloxane Topcoat Category: Tags: ,
Description

Overview

This is a two-component chemically cured acrylic polysiloxane coating free of isocyanates. As a high-solids product, it exhibits excellent gloss and color retention, outstanding mechanical properties, and superior chemical resistance. It allows recoating at any stage of curing and can cure at low temperatures as low as 0°C. Being isocyanate-free, it does not generate diisocyanates during pyrotechnic operations, welding, or fire accidents.

Key Features:

  • Excellent color durability
  • Good chemical resistance
  • Good recoatability
  • Low-temperature curability

Recommended Applications

  • Industrial Protection: Marine engineering, oil depots, refineries, power plants, bridges, and industrial buildings.
  • Marine Protection: Dry 舷 (freeboard) and ship superstructures.

Technical Parameters

ItemSpecification
Resin/Pigment TypeAcrylic resin, silicone resin / Selected weather-resistant pigments
ColorWhite, black, or as per user requirements
FinishHigh gloss
Mixing RatioWeight ratio 4 (base material) : 1 (curing agent)
Curing AgentCPS1660
Specific GravityApproximately 1.35 kg/L
Volume Solids65 ± 2% (theoretical)
Flash Point28°C (82.4°F)
Pot Life3 hours / 23°C
Theoretical Coverage13 m²/L (at 50μm dry film thickness)
Single Coat ThicknessWet film: 75μm; Dry film: 50μm
Application MethodsBrush coating, airless spraying
Airless Spray Nozzle0.43-0.48mm
Airless Spray Pressure15 MPa
ThinnerTH021
Tool CleaningTH021
VOC Content350 g/L
Drying TimeSurface dry: approx. 5 hours at 23°C, 50% relative humidity
Recoat TimeRefer to application guidelines
Recommended PrimersEpoxy primers or as specified
Environmental Temperature (Substrate Temperature)Min: 0°C, Max: 40°C. Avoid application at relative humidity >85%. Substrate temperature must be at least 4°C above dew point.
Packaging, Storage, and Shelf LifeTwo-component, 25 kg combined packaging. Store in accordance with national regulations in a cool, well-ventilated place away from excessive heat. Tightly seal containers. Shelf life: 1 year.

Application Guidelines

Surface Preparation
Ensure the substrate is free of grease, dust, moisture, and other impurities before applying PS166, and it must have a corresponding primer. To ensure film appearance, the primer should be smooth and free of surface defects such as dry spray and orange peel.
Mixing and Dilution
PS166 is a two-component product requiring correct component ratio. Mix the entire contents of each paint bucket thoroughly. First, stir the base material until uniform and smooth (no more than 2 minutes), then slowly add the curing agent and stir for 3 minutes. A variable-speed power stirrer is recommended. Avoid over-stirring, as this will accelerate curing and shorten the product’s pot life. High temperatures shorten the mixture’s pot life, while low temperatures extend it. Dilution is generally not required; if necessary, add a small amount of thinner (5% or less) depending on local VOC and air quality regulations.
Application Methods
PS166 can be applied by airless spraying, roller coating, or conventional spraying.
Ventilation
Maintaining good ventilation in enclosed spaces is critical for applicator safety and ensuring the product’s proper performance. The air must be dry, as the product cannot be applied at humidity >85%.

Physical Parameters at Different Environmental Temperatures

Environmental Temperature0°C5°C10°C23°C40°C
Touch Dry15 hours10 hours7 hours5 hours3 hours
Full Cure (RH 70%)32 hours25 hours20 hours8 hours4 hours
Recoat Interval (Min)32 hours25 hours20 hours8 hours4 hours
Recoat Interval (Max)20 days15 days10 days5 days3 days

Safety Precautions

  • Hazards: Irritating to eyes and skin. Vapors may cause respiratory allergies in sensitive individuals. May cause skin allergic reactions.
  • Precautions: Avoid inhaling vapors. Keep away from eyes and skin. Wear protective gear for eyes, ears, and skin. Use a suitable respirator to prevent potential respiratory irritation. Thoroughly wash skin after use. Wash contaminated clothing before reuse.
  • First Aid: In case of eye contact, immediately flush with clean water for at least 15 minutes. Remove contaminated clothing and shoes, and wash exposed skin with soap. If breathing stops, perform mouth-to-mouth resuscitation and seek medical attention immediately.

Declaration

The information listed in this document is reliable. Each value is a theoretical data calculated from the product formula. Upon request, our company can provide internal common measurement methods for the above data. Since the usage conditions are beyond the manufacturer’s control, this information is not provided as a guarantee. The product is for professional use only. For any questions, please contact our company.

Our Technical Support and Customer Service Center is ready to provide product consultations and application technical services. Welcome to contact us by letter or phone.

Contact:

Wanhua Energysav Science & technology Group Co.,Ltd
Address: No. 56 Taiyuan Road, Yantai, Shandong, China
Fax: 400-059-1116 | Tel: +86-17761309662 | Postal Code: 264006
 
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