Capabilities & Process

Blasting

Blasting is a cost-effective technique for preparing surfaces for a smooth finish and strong bond. We use professional abrasives blasting to remove anything that could interfere with the powder coating process, including rust, oil, welding ash, laser scale, mill scale, and more. Removing these residues to create an even surface helps prevent cracking, bubbling and moisture buildup in your finished product. Blasting also roughens metal surfaces at the micro level to promote a strong bond with primers and powders.

Depending on your needs, we offer two abrasives to choose from:

• Steel Grit: Steel grit is used for steel materials in thickness 11 gauge and higher, with a maximum dimension of 48″W, 17″H and 300″L.
• Aluminum Oxide: Aluminum oxide is suitable for any metal 16 gauge or thicker, and we can process items up to 72″W, 72″H and 228″L.

8 Stage Pretreatment

Pretreatment cleans and prepares your surfaces to ensure your primers and powders make an effective bond with your metal surfaces. Pretreatment is a powder coating cleaning process, designed to prepare surfaces through the application of various treatments. Together, these treatments make sure your surfaces are free from residue and enhances them for a better appearance and lasting durability.

At Keystone Koating, we offer a proprietary 8 Stage Pretreatment process to ensure your metal surfaces are clear of any contaminants and optimized for powder coating. To clean your products, we use a wide range of solvents and techniques, rinse at multiple stages and immediately dry them to prevent corrosion. We offer several conversion coatings for greater adherence with primers and powders.

Primer

Coating

We combine our industry expertise with the latest technology to deliver superior adhesion for your selected powder coat. We deliver a positive electrostatic charge to your powders before loading them into our spraying system and ground your metal surfaces for an opposite charge. When sprayed, the charged powders attract to your products and cling to them, remaining tight against the surface until bonding is complete.

We have two locations to handle a wide range of requests and are capable of processing significant quantities with fast turnaround and delivery. Each site offers coating through batch systems and automated powder coating lines.

Our Lititz plant is home to two batch systems and two automated coating lines:

• Automated line: Maximum, with primer: 36″W x 72″H x 240″L, weight 1,100 lbs.
• Automated Line: Maximum, without primer: 24″W x 58″H x 72″L, weight 300 lbs.
• Batch systems: Maximum with primer: 42″W x 72″H x 192″L, weight 800 lbs.

Our Mifflintown location has one batch system and one automated line:

• Automated line: Maximum, with primer: 36″W x 72″H x 192″L, weight 1,100 lbs.
• Batch system: Maximum with primer: 42″W x 74″H x 204″L, weight 800 lbs.

Super Durable Polyester Powder

If you want to improve the quality of your powder coat, upgrade to our Super Durable powder. Super Durable powder is made for use in harsh climates and demanding environments.

This powder enhances your finish with improved resistance to ultraviolet (UV) light and excellent protection from corrosion. Upgrading is easy, and Super Durable powder is available in an array of stock colors.

Curing

Quality Testing

Assembly

Packaging

Shipping