Drawdown Rods, Drawdown Bars, (also known as Mayer Bars)

Drawdown Rods, Drawdown Bars, (also known as Mayer Bars)

Drawdown rods give users the ability to fine-tune coating thickness quickly and easily, without altering the chemistry of their coating material, and without time-consuming and expensive changeovers.

For users that require a coating path of up to 12", use the standard Laboratory Drawdown Rods (N008-005 choose 1/4", 3/8", or 1/2") . With an overall length of 16", these rods are longer than the Jr. variety.

Standard Drawdown Rods & Bars Drawdown Coating Path Diagram

The Accu-Lab Jr. Laboratory Drawdown Rods

The Accu-Lab Jr. Laboratory Drawdown Rods (N008-026, N008-026A) are designed for users producing test samples up to 8½" wide. These stainless steel rods are 4" shorter than conventional lab rods and offer an additional savings.

Standard Drawdown Rods & Bars Drawdown Coating Path Diagram

Wet coating thickness can be accurately predicted within one tenth of a mil (.0001"). Rod selection tables allow coaters to consider coat weight and percent of solids in choosing the proper rod size for each production run.

Bottom-line profits have encouraged many coaters to modify existing machines, in order to take advantage of the flexibility, the ease of use and the dollar savings associated with rod coating.

The market for wire-wound rods has grown rapidly during the past few decades, because they provide predictable, accurate coatings time after time, at a minimal cost. Although the technology goes back almost a century, today's high quality materials, multi-wire designs and special wire surfaces have made this system more popular than ever before.

Wire-wound rods were first used in coating machines built by Charles Mayer in the 1900's to manufacture waxed paper and carbon paper. They are still called "Mayer Bars" by many coaters.

Part Number - N008-026 Laboratory Drawdown Jr. Rods Bar# (for Accu-lab)PRICE QUOTE - email us at sales@epakelectronics.com
Part Number - N008-026A Laboratory Drawdown Jr. Rods Bar#0 (for Accu-lab)PRICE QUOTE - email us at sales@epakelectronics.com

Machined Standard Lab Drawdown Rods

Standard Lab Rods (N008-056, N008-057 & N008-058) are less expensive due to a different manufacturing process and all of these are 16" long with a centred wound length of 12".

ROD SIZE NOTES: To determine approximate wet film thickness in Mils for a specific rod number from the table below, multiply the rod number by 0.10. For example, the number 3 rod would be 3 x 0.10 = 0.30 Mils. The number 20 rod would be 20 x 0.10 = 2.0 Mils.

 

For Microns, multiply rod number by 2.54. For example the number 3 rod would be 3 x 2.54 = 7.62 Microns.

 

AVAILABLE DRAWDOWN ROD WIRE SIZES

 

82-90: Standard Lab Rods Only (Accu-Lab Jr. Rods only go to 80)
>62: Standard Lab Rods with a Rod diameter of 1/4" is not recommended above 62

 

Part Number - N008-005 DRAWDOWN :BAR# SELECT ROD DIA either 1/4 inch, 1/2 inch or 3/8 inchPRICE QUOTE - email us at sales@epakelectronics.com
Part Number - N008-026 DRAWDOWN :JR BAR#PRICE QUOTE - email us at sales@epakelectronics.com
Part Number - N008-026A Laboratory Drawdown Jr. Rods Bar# 0 (for Accu-lab) 12” Coating Path, 3/8" rod diameter, zero bar PRICE QUOTE - email us at sales@epakelectronics.com
Part Number - N008-056 Machined Laboratory Drawdown Rod 16” Long with 12” Coating Path, 1/4" rod diameterPRICE QUOTE - email us at sales@epakelectronics.com
Part Number - N008-057 Machined Laboratory Drawdown Rod 16” Long with 12” Coating Path, 3/8" rod diameterPRICE QUOTE - email us at sales@epakelectronics.com
Part Number - N008-058 Machined Laboratory Drawdown Rod 16” Long with 12” Coating Path, 1/2" rod diameterPRICE QUOTE - email us at sales@epakelectronics.com

Drawdown Bar Conversion Chart For Wet Film Thickness

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Test & Measurement EquipmentTEST & MEASUREMENT EQUIPMENT