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Home  >>  Products  >>  Abrasion  >>  Washability Accessories

Washability Equipment Accessories


Washability Equipment Accessories

  (Illustrated Above) (Not Illustrated)
 
  1. Test Sample Tray
  2. Brush Box with Low Center of Gravity
  3. Sponge Box shown with Sponge (not included)
  4. Brush Box
  5. Lilly Frame
  6. Additional Weight
  7. Additional Weight
  8. Abrasion Boat

 

Test Sample Tray

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WA-2205 (Standard) • WA-2207 (Long)

The Test Sample Tray for the Gardco Washability Machine is used when the test being conducted involves a liquid.

 

Test Sample Tray
  • This sepcially designed tray has two available lengths
    • The 18" length is for use with the 10" models
    • The 24" tray is for use with the 12" models
  • The tray is fabricated from 1/16" thick stainless steel and is fitted with four 3/16" long round feet secured to the lower surface which are spaced to straddle the base plate of the tester
  • The tray is also fitted with a drain with stopper closure, which serves not only to position the tray on the base, but also permits the use of “C” clamps to secure the test specimen in the most advantageous position
  • Two clamps are furnished with each tray, and may be used at any location along either end of the tray or along the outside edge.
  • When the pan is not used, any length test specimen, exceeding stroke length plus five inches, may be clamped directly onto the machine base or with a glass plate between the base and the test specimen
  • Glass plates, cut to fit the trays, are available as separate items
  • A laboratory ring stand with 3" ring supporting a 1000 ml separatory funnel is suggested for metering liquid as may be required.

 

Lilly Frame

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WA-2230 (Standard) • WA-2233 (Long)

The Lilly Frame is designed to be used with the test sample tray for the Gardco Washability Machine, and when clamped in place in the tray, the frame serves to isolate a portion of the test surface to a liquid used in the test.

Lilly Frame
  • There are two lengths available
    • The standard size for the 18" tray
    • The long size for the 24" tray
  • It serves to hold flexible materials in place against either the tray, glass plate or the machine base.
  • Has an overall length of either 17.75" or 23.75"
  • The overall width is 3.88" with an inside width of 2.375"
  • The frame is machined from 1/4" thick aluminum and is fitted in a groove in the lower surface with a flexible gasket
  • Two 1 inch “C” clamps are furnished with each test sample tray and may be used to secure the Lilly frame against the test surface
  • Note that the sponge box cannot be used with the Lilly frame because of its width. Only one brush box or abrasion boat is accommodated

 

Brush Box

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WA-2210 • WA-2211

The Brush Box can be used for all models of the Gardco Washability Machine and serves to weight and secure a specified brush for use in the test equipment.

  • The brush box is fabricated from 1/16" stainless steel
  • Designed with adequate clearance to accept a brush base 3.5" long and 1.5" wide and is fitted with adjustable anchor bolts.
  • Normal brush base thickness is 0.5" with 3/4" bristle extension.
  • It is fitted with two set screws in one end, which permits side to side centering of the brush in the box and insures uniform brush loading.
  • The brush box has a weight of 16 ozs. including the removable weight shim and a PVC base brush.
  • There are two types available. They are the same weight, but one offers a lower profile and center of gravity
  • Up to three brush boxes may be carried by the machine drive fork at any one time for multiple sample testing.
Brush Box WA-2211WA-2211
 
Brush Box Diagram
  The diagram above is only for the WA-2210 WA-2210
 

 

Specification Brushes

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WA-2272 • WA-2274 • WA-2276 • WA-2278

These Specification Brushes are used with the Gardco Washability Machine, and are available either in black nylon or black hog bristles.

Specification Brushes
  • Hog bristles are selected as nearly as possible to be equivalent to the specified nylon.
  • They are in a 5x4 wide staggered 13 row or 5 wide straight 12 row pattern (ASTM D2486 calls for nylon 5x4x13 rows)
  • The hog brush bristles are secured in a PVC block 3.5" long, 1.5" wide and 0.5" thick, and are uniformly trimmed to a length of 0.75"
  • The nylon brush bristles are 6/6 grade, 0.012" in diameter with a bristle weight in each brush of 5/8 ± 10% ounces
  • Total brush weight is 2.5 ounces which is 1.5 ounces lighter than current metal-backed brushes. To compensate for this difference a 1/16 inch thick stainless steel plate is furnished with each new brush that may be inserted in the brush box above the brush.
  • After a long period of use bristles will wear down below the original length of 3/4". Brush bristles should be periodically measured and if they reach a shortened length of 5/8", we suggest they be disposed of. The shorter the bristle, the firmer it is. The firmer the bristle, the more harsh the performance.

 

Sponge Box

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WA-2220

The Sponge Box serves to weight and contain a specified sponge for use with all models of the Gardco Washability Machine.

  • The sponge box is designed for a sponge 3.9" long and 3.1" wide
  • The adjustable anchor bolts permit the use of sponges other than the normal thickness of 1.25" according to specification.
  • Fabricated from 1/16" stainless steel and has a weight of 16 ounces including the removable weight.
  • Two sponge boxes may be carried by the machine drive fork at any one time for multiple sample testing.
  • Sponges for use in the sponge box are available as separate items.

 

 
Sponge Box

 

Abrasion/Friction Boat

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WA-2225WA-2227

The Abrasion Boat is designed to hold in place against a flat surface any flexible material to be used against the test surface, and can be used with any of the Gardco Washability Machines. When the 2lb weight is added it reffered to as a Friction Boat.

  • All parts of the abrasion boat are stainless steel and consist of a base plate, and cover with adjustable anchor bolts.
  • Two abrasion boats may be carried by the machine drive fork at any one time for multiple sample testing.
  • The base plate is 2.0" wide, 4.0" long and 0.25" thick. It may be fitted with any flexible material which is 2" wide and between 6" to 8" long which is held in place by tightening the cover against the base plate.
  • Increasing its usefulness for the measurement of friction, a 2lb auxiliary weight doubles the loading against the test surface.
  • The assembly weighs 16 ounces with the auxiliary weight in place, providing a loading against the test surface of 2.0 ounces per square inch.
  • Most any flexible material may be secured to the abrasion/friction boat base.
  • Either the surface of the material secured to the boat or the surface on which it rides may be considered the test surface.
  • The weight of the abrasion/friction boat without the internal auxiliary weight is one pound providing a unit area loading of 2 ounces per square inch, with the weight it increases two pounds for a surface loading of 4 ounces per square inch.
Friction Boat Abrasion/Friction Boat


Force Recorder Study

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Drive fork force measurement throughout its cycle is registered in on a large digital display to the one-tenth pound on the front panel of all force transducer fitted F models. The current interface or I models come fitted additionally with an RS232 digital interface allowing for real time pc data analysis through data acquisition software. Earlier models were interfaced with an analog flat bed type strip chart recorder. An example of data study achieved through a scribed sinusoidal output strip chart recorder is as follows.

 
Basic characteristics of the recorder are:
  • Recording width: 100mm
  • Scale 0 to 100 in 2 mm minor and 10 mm major steps.
  • Chart Speed 1, 3, 6, 12, 30 and 60 cm/min, 1, 3, 6, 12, 30 and 60 cm/hr.
  • Signal Acceptance 1, 2, 5, 10, 20, 50, 100, 500 mV. Ranges 1, 2, 5, 10, 20, 50, 100, 250 V.
  • Dimensions 3" High, 12" Wide, 9.1" Deep
  • Weight 4.9 pounds.

Typical recorder patterns are shown in the following examples to the right:

Chart “A” is cloth on the friction boat working on a relatively soft coating with a loading of 0.25 lb/sq.in. and displaying significantly greater break-away friction than kinetic friction. Machine rate is 6 cycles per minute. Recorder is set at 500 mV with a chart speed of 12 cm/min.

Chart “B” is cloth on the friction boat working on a relatively hard coating with a loading of 0.25 lb/sq.in. and displaying break-away friction only slightly greater than kinetic friction. Machine rate is 6 cycles per minute. Recorder is set at 200 mV with a chart speed of 12 cm/min.

The recorder in addition to plotting the incoming signal displays its magnitude in a large digit LCD. On demand, the recorder prints on the chart the recorder status, measurement range and chart speed. The flat bed design permits ease of entering any desired additional notations on the chart. Recorder chart height is 100mm plus perforated feed extensions. The chart rolls are 16 meters long. The chart is marked with major divisions at 10mm and minor divisions at 2mm. The recorder ink pens are readily replaceable. Batteries placed in the recorder may be used for its power. This may be advisable in areas where line power has a high RF or noise component. Nine “C” cell batteries are required. The flat bed and plotting portions of the recorder are protected with a clear plastic cover. A carrying case is available for additional protection during transport. A detailed instruction manual is furnished with each recorder.

Force Recorder Study Chart A
Force Recorder Study Chart B


 

ASTM D2486 Kit (WA-215111)

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ASTM Kit

The ASTM D2486 Kit is used for testing the ASTM D2486 Standard Test Methods for Scrub Resistance of Wall Paints. Scope: 1.1 These test methods cover a procedure for determining the resistance of wall paints to erosion caused by scrubbing, referred to herein after as “scrub resistance.”
  • This kit is made for 10 inch machines
  • Washability Machines are not included in kit
  • The ASTM D2486 standard test accessory package includes:
    • WA-2230 Lily Frame
    • WA-2205 Pan
    • WA-2235 Glass Plate
    • WA-2211 Brush Box
    • WA-2272 Nylon Stag 5x4x13
    • PC-GP121-10N Gardco Scrub Test Panels
    • WA-2228 Brass Shims

 

ASTM D4828 Kit (WA-215118)

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ASTM Kit

The ASTM D4828 Kit is used for testing the ASTM D4828 Standard Test Methods for Practical Washability of Organic Coatings.
  • This kit is made for 10 inch machines
  • Washability machines are not included in kit
  • The ASTM D4828 standard test accessory package includes:
    • WA-2220 Sponge Box
    • WA-2323 Additional Weight 1000g
    • WA-2235 Glass Plate
    • WA-2205 Test Sample Tray
    • WA-2222 Sponge

 

ASTM D3450 Kit (WA-215121)

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ASTM Kit

The ASTM D3450 Kit is used for testing the ASTM D3450 Standard Test Method for Washability Properties of Interior Architectural Coatings.
  • This kit is made for 10 inch machines
  • Washability Machines are not included in kit
  • The ASTM D3450 standard test accessory package includes:
    • WA-2220 Sponge Box
    • WA-2320 Additional Weight 1500g
    • WA-2205 Test Sample Tray
    • WA-2222 Sponge
    • WA-2235 Glass Plate

 

EPA Protocol 1-1A Kit (15295)

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ASTM Kit

The EPA Protocol 1-1A Kit is used for the Protocol for Residual Self-Sanitizing Activity of Dried Chemical Residues on Hard, Non-Porous Surfaces.
  • This kit is made for 10 inch machines
  • Washability Machines are not included in kit
  • The EPA Protocol 1-1A accessory package includes:
    • WA-2227 Fiction Boat Auxiliary Weight
    • WA-2210/P03 Brush Box
    • WA-2225 Abraison/Friction Boat
    • WA-2205 Test Sample Tray
    • WA-2235 Glass Plate

 

EPA Efficacy Antimicrobial Surface Coating Kit (15296)

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ASTM Kit

The EPA Efficacy Antimicrobial Surface Coating Kit is used to determine whether antimicrobial disinfectant products provide residual disinfection on surfaces over time and how durable the disinfection ability of the product is with normal use, including routine cleaning, and natural weathering.
  • This kit only works with 10 inch machines
  • Washability Machines are not included in kit
  • The EPA Efficacy accessory package includes:
    • WA-2205 Test Sample Tray
    • (2) WA-2220 Sponge Box
    • (2) WA-2222 Sponge

 

Scrub Panels & Media

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Scrub Panels & Media

Panels for Scrub Resistance Testing ideal substrate for scrub testing. The Gardco Scrub Media are meant to mimic the abrasive properties of commercial cleaning products.





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