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CONTCOTE™ 257 Permanent Mold Coating

die-cast-engine-block-transmissionPermanent Mold Coating for Diecasting Foundry

CONCOTE™ 257 is a dilutable permanent mold coating formulated with special refractories, binders, wettng agents, and preservatives. When dried CONCOTE™ 257 provides a thin continuous film between the surface of the die and the casting.CONCOTE™ 257 is an outstanding insulating coating for aluminum alloys.

Features:

  • Fair Surface Finish
  • Prevents Premature Die Failure
  • Good Visibility on Die
  • Anti-Weld Properties
  • Easily Applied
  • Excellent Insulation

 

Typical Product Data*

Solids:                          51.0%

Density (Lbs./Gal.):      12.2

Color:                           Brown to Tan

Refractories:                 Mica, Vermiculite, Talc, Aluminum Dioxide

*These values are not intended for use in preparing specifications. 

Dilution

CONCOTE™ 257 is supplied in concentrated form and can be diluted to any desired concentration depending on the application with water. Generally, the dilution starting pointing (Water to Coating by weight): 

Application                                    Dilution

Base Coat                                       1:2

Use Recommendations

CONCOTE™ 257 is a medium insulating coating providing fair surface finish for aluminum alloys. CONCOTE™ 257 is generally used as a riser coating and has shown excellent coating life. Any permanent mold coating should be mixed well before use and feezing avoided. For more application information see the Hill and Griffith general brochure on CONCOTE™ 200 products.

Contact us for product information or request bulletins and technical papers.

Download a PDF version of this page.


Hydraulic Fluids and Specialty Industrial Lubricants

Griflube® Hydraulic Fluids biodegradable, flame-resistant and high-pressure hydraulic fluids
Griflube® Slide-Way 68 & 220 Lubricants formulated using severely hydrotreated napthenic base oils and state-of-the-art additives

 

Metalworking Fluids

Grifcut™ Metalworking Fluids heavy-duty synthetic and semi-synthetic metalworking fluids

 

Sprayers

Murphy Spray Gun rugged cast iron high-solids, sprayer that can stand up to rough treatment and still provide a reliable pattern.

Pump Up Sprayer 3.5-gallon spray unit, funnel top tank for easy fill and closure

 

Bulletins and Technical Papers

"Resolving Adhesion Problems in Post Die Casting Operations", Tim Cowell, HG Technical Director
"Biofilms: How They Impact the Die Casting Process", Tim Cowell, HG Technical Director
"Die Casting Porosity Causes and Solutions Part 1 of 4", Tim Cowell, HG Technical Director
"Die Casting Porosity Causes and Solutions Part 2 of 4", Tim Cowell, HG Technical Director
"Die Casting Porosity Causes and Solutions Part 3 of 4", Tim Cowell, HG Technical Director
"Die Casting Porosity Causes and Solutions Part 4 of 4", Tim Cowell, HG Technical Director

Form for requesting product bulletins and technical papers

 

Customer Service

Technical Services and Support - On-site casting defect investigations, product testing, machine start-ups and much more. Also, lab facilities are available to provide testing upon request.
Request samples

Arrange a Casting Solutions® Visit

 

Packaging & Logistics

Custom Packaging

HG Logistics LLC

 


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