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Metseal® 300 is water-based, gas carburizing stop-off coating for use on steel substrates.

Product Type: Ceramic Coating, Stop-Off Coating, Waterborne Coating

Features: Cost Effective, High Temperature Performance, Water-based

Compatible Substrates & Surfaces: Metal, Steel

Application Method: Brush, Dip Coating

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Knowde Enhanced TDS

Identification & Functionality

Carrier

Features & Benefits

Performance Characteristics
  • Effective temp. range 1200-1800⁰F (649-982⁰C)
  • Effective up to 0.150” case depth or greater with multiple coats
  • Formulated for brushing application (can be adjusted for dipping or spraying by diluting with water, do not over thin coating)
ATP's Water Based Stop-Off Coatings Advantages
  • Cost-efficient
  • Non-flammable, contains no solvents
  • Water-based and user-and-environmentally friendly
  • An alternative to expensive coatings and processes, such as copper plating
  • Excellent shelf life
  • Makes heat-treated parts easy to remove and clean
  • Minimizes handling and disposal problems
  • Easy-to-apply, may be dipped, sprayed, flow-coated or brushed
  • Formulated to customers’ specifications

Applications & Uses

Markets
Application Method
Compatible Substrates & Surfaces
Recommendations for Use
  • Thoroughly suspend and mix before use
  • Metal surfaces must be free of dirt, oil, grease, metal oxides, and other materials
  • Coating thickness depends on the time and temperature of exposure (generally, the higher the temperature and longer exposure, the thicker the coating should be applied)
  • A wet film thickness of 15 ± 3 mils should be optimal
  • Ensure bottom coat is thoroughly dried when applying multiple coats
  • Water-based coatings need ample time to completely dry before entering furnace (can be applied over preheated substrate to accelerate drying time)

Properties

Color
Typical Properties
ValueUnitsTest Method / Conditions
pH6.0 - 7.0
Solids Content38 - 48%
VehicleWater
Viscosity (at 25°C)27,500 - 32,500cPs
Weight per Gallon9.25 - 9.75lb/gal
Specific Gravity1.11 - 1.17

Regulatory & Compliance

Certifications & Compliance
Regulatory Information

No chemical should be used as or in a food, drug, medical device, or cosmetic, or in a product or process in which it may contact a food, drug, medical device, or cosmetic until the user has determined the suitability and legality of the use. Since government regulations and use conditions are subject to change, it is the user’s responsibility to determine that this information is appropriate and suitable under current, applicable laws and regulations.

Storage & Handling

Shelf Life
1 Year (approximate value)
Storage Conditions

Metseal®-300 should be stored indoors in the original unopened and undamaged container, in a dry place at a temperature not exceeding 85⁰F (30⁰C). Exposure to direct sunlight should be avoided.