Polytetrafluoroethylene (PTFE) is a fluoropolymer designed for use in applications that require high temperature stability and durability encompassed in a non-stick finish.
RothGreaves DR-95Z, DR-96, DR-97, and DR-472 coatings are special purpose
So smooth you’ll feel the difference, these glass-like finishes are perfect for bonding and molding of thermoplastics, injection molding, adhesive bonding, and any manufacturing tooling requiring a high temperature, easy-release non-stick finish. The superior durability and finish of RothGreaves DR coating makes them among the best, most reliable release finishes available.
Provides a smooth, consistent surface
Continuous Feed Applications
Quality Control inspected and Maintained
Medical Device Molding Core Pins
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RothGreaves DR PTFE coatings are used for:
- Bonding and molding of thermoplastics
- Injection molding
- Adhesive bonding
- Continuous feed (wire on spool) applications
- Food grade contact applications
- Medical grade device manufacturing (Medical PTFE)
- Industrial applications
Characteristics of RothGreaves DR PTFE:
- USP Plastics Class VI Certified
- Capable of withstanding temperatures up to 600° F.
- Applies at a standard coating thickness of approximately 0.0003”
- Excellent adhesion to most metals including stainless steel, tool steel, titanium, aluminium, and Nitinol
- Resistance to most solvents
- Can be removed from tooling for recoating
- Flake free coating
- True Non-Stick Surface
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RothGreaves DR Coating Variations:
RothGreaves PTFE finishes come in three colors. They are most commonly used for medical and manufacturing processing applications, including coated wire, coated mandrels and anti-corrosion.
Medium Grey = DR 95
Green = DR 96
Dark Grey = DR 97 Super durable
Blue = DR 472 Super durable
NOTE: DR finishes DO NOT apply well to copper, brass, or bronze
CAUTION: The finish is cured at an elevated temperature and may cause changes in the properties of certain metals.
Non-Stick Coating Types
All of our industrial coating services are backed by our industry leading warranty. RothGreaves & Associates is the exclusive source for manufacturing and application of DR line of PTFE.
General Product Information about:
RothGreaves DR PTFE Release Finishes
RothGreaves proprietary DR-95Z, DR-96, DR-97, DR-98, and DR-99 finishes are special purpose Polytetrafluoroethylene coatings designed for use in applications that require a high temperature, durable, non-stick finish. The finish is applied from a liquid formulation. The cured coating has strong release properties for plastic bonding and molding operations and can withstand heat up to 600°F.
The cured finish is biocompatible and has passed USP Class VI testing, making it suitable for use on tools in the manufacture of food contact products and medical devices. The material is applied at a typical thickness of 0.0003” and has excellent adhesion to most metal substrates. RothGreaves DR coatings and the application methods are the property of RothGreaves & Associates, Inc.
To ensure the highest quality finish, careful preparation of the substrate is required. Each part is thoroughly cleaned with a special agent to remove any contamination and to activate the surface for maximum adhesion. Where the highest adhesion is required, a grit blast of the surface with 150-micron media prior to cleaning ensures the best adhesion.
DR Finishes require two curing cycles throughout the application process, both at a temperature of 750°F. The high temperature is required to achieve the proper sintering and adhesion. Be aware that elevated temperatures can cause undesirable changes in some metal substrates.
RothGreaves DR coatings are resistant to most solvents; but some strong acids or bases may cause deterioration of the finish.
RothGreaves DR coatings can be reapplied to metal substrates after removal of residual coating. Mechanical methods that include polishing, grit blasting and scraping can be used to remove the finish. However, chemical methods are hazardous and should be avoided.
DR95Z Finish contains one or more of the following:
- Polytetrafluoroethylene (PTFE) ………… cas 9002-84-0
- Titanium dioxide …………………………. cas 13463-67-7
- Carbon Black ………………………………. cas 1333-86-4
- Binder ……………………………………………………….none