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High Temperature Boron Nitride Coatings & Release Agents

SKU HBNCoatingReleaseAgent
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Hexagonal Boron Nitride is one of the most popular dry lubricants available today, due mostly to its lubricant properties, thermal conductivity (heat sink), and its inertness to molten metals and salts.  It is often incorporated into a paste, for use in high temperature coating applications, such as tooling and stamping machined parts, extrusion presses, mold release, etc.  Excellent for Aluminum, Magnesium, Zinc and Lead foundry applications.

Our high temperature coatings (paint) are non flammable and stable.  Coatings can be formulated with Water, Oil or Ethanol.  We can also formulate lubricants blended with binders as well as with rust inhibitors.

How is it applied?  It is generally painted on with a common paint brush, or sprayed on if formulated for a spray gun, but it will depend on your application.

How is it sold?  It is formulated by the gallon, and therefore sold by the gallon.  Discounts available with 10 or more gallons purchased.  Minimum purchase is one gallon.  Additional sizes include 5 gallon pail or 55 gallon drum.

What is the viscosity?  Depends on your application.  This will vary from light (for use in a spray gun) to very thick.

What is the Boron Nitrde content?  This will vary from 5 to 40%.

What is the cost?  In general, this is a custom formulated product.  The percentage of HBN in the paste will, among other things, determine price.  Please Contact Us with the following information and we will quote you a custom coating:

  • What is the maximum operating temperature the coating will be exposed to?
  • What is your application, how will you use it, what type of machine or surface are you applying it to, etc.?
  • How thick (viscous) do you desire the paste to be (if known)?
  • How many gallons do you require a quote on?

 

Boron Nitride Powder Content: Varies from 5% to 36% depending on specific application.
Color: Varies from white to light brown.
Density: Varies from 0.75 g/cm3 to 1.2 g/cm3.
Viscosity: From very light (suitable for spray guns) to heavy paste, available for entire range of Boron Nitride content.
Liquid Base: Water, Oil or Ethanol.
Application Temperature: 1350 (C max.)
Special Product Enhancements: Are available on request including formulation with Alumina as a binding agent.
PH Level Range:

 

Main Formulations & Boron Nitride Content: 

  1. Mold Casting Release Formulation - up to 10% HBN.
  2. Anti-Wetting Coating for Metal, Ceramics & Graphite - thin composition - up to 25%
  3. General Purpose High Temperature Coating - thicker composition - up to 25% BN
  4. Heavy Duty thick composition for coating parts that are moving in molten metal - up to 40% BN.

Specialized Lubricants Containing Boron Nitride:

  1. BNBL-FG: FG coatings are applied where fretting and galling is a problem (such as splines, universal joints and keyed bearings).  FG coatings will not collect dirt and debris like greases and oils.
  2. BNBL-ECP: Extreme contact pressures. The BN-ECP provides lamellar structure oriented in parallel to the sliding surface resulting in high load-bearing capabilities in a low shear stress environment.  Among applications is Superplastic Metal Forming that involves extensive deformation.  ECP product offers controlled adhesion, easy removal after forming and minimizes build-up on dies.
  3. BNBL-ICE: Used where smooth running in a clean operation is desired (piston, camshaft).
    Used as a piston ring coating to optimize engine performance during break-in period. 
  4. BNBL-HTL:  High temperature applications.  HTL Boron Nitride exhibits high tolerance to temperature and oxidizing atmosphere environments, whereas liquid lubricants typically will not survive. A typical application include fasteners which are easily tightened and unscrewed after a long stay at high temperatures.

Shipping Information:  Due to ISO Quality Control procedures, this material takes 3 business days from the date of order, to the date of shipping.  Please keep this in mind when ordering.

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