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ET172 Epoxy Coal Tar Pitch Paint

ET172 is a two-component low-temperature curing epoxy coal tar pitch heavy-duty paint, cured by modified polyamide adduct. It features excellent corrosion resistance and low-temperature curing performance. Suitable for marine coatings, steel structures, pipeline anti-corrosion, steel pipe pile anti-corrosion, sewage tank anti-corrosion, etc.

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SKU: ET172 Epoxy Coal Tar Pitch Paint Category: Tags: ,
Description

Overview

ET172 is a two-component low-temperature curing epoxy coal tar pitch heavy-duty paint, cured by modified polyamide adduct. It features excellent corrosion resistance and low-temperature curing performance. Suitable for marine coatings, steel structures, pipeline anti-corrosion, steel pipe pile anti-corrosion, sewage tank anti-corrosion, etc.

Technical Parameters

ItemSpecification
Binder/Pigment TypeEpoxy resin/modified polyamide/coal tar pitch
ColorBlack
Surface FinishMatte
Mixing RatioWeight ratio: 1 (base material) : 0.8 (curing agent)
Specific Gravity1.40–1.44 g/cm³
Volume Solids Content≥80% (theoretical)
Flash Point≥23°C
Pot Life3 hours/23°C (73.4°F)
Spread Rate8 m²/L at dry film thickness of 100 microns (4 mils)
Single Coat ThicknessWet film: 200 WH; Dry film: 160 WH
Application MethodsBrush coating, roller coating, airless spraying
Nozzle Size (Airless Spraying)0.53–0.66 mm
Outlet Pressure (Airless Spraying)200 bar (20 MPa)
ThinnerTH003
VOC Content488 g/L
Drying TimeTouch dry: ≤6 hours/23°C (73.4°F)
Repainting IntervalMinimum: 6 hours/23°C (73.4°F); Maximum (for antifouling paint): 3 days/23°C (73.4°F)
Recommended PrimerSelf-priming
Substrate TemperatureAt least 4°C (7°F) above dew point
PackagingTwo-component, 25 kg combined package
Storage and Shelf LifeMust comply with national regulations. Store in a cool, well-ventilated place away from excessive heat. Containers must be tightly sealed. Shelf life: 1 year.

Application Guidelines

Surface Preparation
  • New Steel: Blast to Sa2.5 standard. If temporary protection is required, apply appropriate shop primer. Before final spraying, thoroughly clean damaged shop primer and contaminants accumulated during storage and manufacturing. For blast-cleaned substrates, use specified epoxy paint.
  • Maintenance: Remove grease with appropriate cleaning agents. Wash off salts and other contaminants with (high-pressure) fresh water.
  • As Transition Coat: Blast or use power tools to remove all rust and loose materials. Grind edges smooth.
Mixing and Dilution
WH-ET172 is a two-component product requiring precise component ratio. Use the entire contents of each drum after mixing. 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 accelerates curing and shortens pot life. High temperatures shorten the mixture’s working life, while low temperatures extend it. Dilution is generally unnecessary. When used as a sealer for old antifouling paint: thoroughly clean with high-pressure fresh water or spray (if needed) to remove antifouling paint residues, and sweep away debris. Repair with specified epoxy paint to achieve complete film thickness, ensuring weak interlayer adhesion areas of old paint are removed. If dilution is required (up to 5% or less), follow local VOC and air quality regulations.
Application
WH-ET172 can be applied by airless spraying, brush, or roller. Ensure good ventilation in confined spaces. Avoid painting in the presence of standing water or rain. For airless spraying, use a pump with a ratio of 64:1 or higher. A 0.53–0.66 mm nozzle with an output pressure of 200 bar and a spray angle of 40°–70° is recommended for optimal results.

Safety Precautions

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

Declaration

The information herein is reliable. Each value is theoretically calculated from the product formulation. Internal testing methods for the provided data can be disclosed upon request. Since usage conditions are beyond the manufacturer’s control, this information is not guaranteed. The product is for professional use only. For any questions, contact our company. Our Technical Support and Customer Service Center is ready to provide product consulting 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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    Weight 25 kg

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