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Polypropylene Plastics Balls

Polypropylene Balls

Polypropylene Solid Balls 

Virgin White Polypropylene Balls :  

Polypropylene is lightweight and an excellent electrical insulator. It has a hard, very smooth surface that prevents bacteria and resists chemical corrosion.

Spheres float on surface of liquid in open tank and thereby greatly reduce the exposed liquid surface area - up to 90%. Dramatically diminish objectionable fumes and odors. Blanket of spheres also insulates heated liquid reducing evaporation and heat requirements. Ideal for plating tanks and similar open tank installations where the liquid surface can be covered with a blanket of spheres without impeding access to the tank for process purposes. Spheres are hollow and will float on any liquid. No welt or rim on which chemicals can deposit, and being smooth they ensure a much tighter surface cover. Polypropylene, non-toxic and able to withstand continuous working temperatures of 110 C (230F) Polypropylene is suitable for use in most known chemicals. High Density Polyethylene generally suitable as above but with a continuous working temperature limitation of 80 C. (176 F) softening point about 110 C (230F). High density polyethylene has better chemical resistance to certain compounds like oil, and other hydro-carbons. Also less stress cracking at low temperatures than polypropylene. Color white translucent except 100 mm, black for outside use. All sizes are blow molded.
Chemical Resistance Chart

Polypropylene Hollow Balls

Diameter Inches Tolerance + / - Stock Number Solid or Hollow Balls per Pkg. Cost per Pkg Buy Now
.125 .002" KB-205 Solid 500 $30.00 Buy Now
.156 .002" KB-002 Solid 500 $18.38 Buy Now
.188 .002" KB-003 Solid 500 $23.80 Buy Now
.219 .002" KB-004 Solid 250 $19.11 Buy Now
.250 .002" KB-005 Solid 250 $18.90 Buy Now
.313 .002" KB-006 Solid 250 $23.45 Buy Now
.375 .002" KB-007 Solid 100 $16.77 Buy Now
.375(10mm) N/A KB-005T Hollow 5000 $622.00 Buy Now
.438 .002" KB-206 Solid 100 $17.50 Buy Now
.500 .002" KB-008 Solid 100 $24.08 Buy Now
.625 .002" KB-009 Solid 50 $18.13 Buy Now
.750 .002" KB-010 Solid 25 $17.89 Buy Now
.750 .002" KB-204 Solid 100 $77.00 Buy Now
.787 .008" KB-135 Hollow 150 $49.81 Buy Now
.787 .008" KB-136 Hollow 2000 $485.24 Buy Now
.875 .002" KB-207 Solid 100 $35.00 Buy Now
.984 .008" KB-137 Hollow 50 $31.50 Buy Now
.984 .008" KB-138 Hollow 100 $56.60 Buy Now
.984 .008" KB-139 Hollow 1000 $416.57 Buy Now
1.00 .002" KB-011 Solid 100 $134.80 Buy Now
1.400 .005" KB-141 Hollow 50 $43.75 Buy Now
1.496 .080" KB-142 Hollow 50 $50.19 Buy Now
1.496 .080" KB-143 Hollow 1000 $689.85 Buy Now
1.750 .080" KB-197 Hollow 500 $438.92 Buy Now
1.969 .080" KB-144 Hollow 40 $59.29 Buy Now
1.969 .080" KB-145 Hollow 1000 $1195.85 Buy Now
3.937 .080" KB-146 Hollow 10 $69.30 Buy Now
3.937 .080" KB-147 Hollow 100 $629.62 Buy Now
Ball diameter and surface coverage
Diameter (IN) Average weight (g) Number per ft2 Number per m2 
3/8" 0.2 1,076 11,600
3/4" 1.0 270 2,900
1.0" 1.5 172 1,850
1 1/2" 4.5 74 800
1 3/4" 7.0 53 570
2.0" 8.0 43 465
2.25" 16.0 22 235
4.0" 40.0 10 116
4.5" 100.0 4.8 51.5
The percentage of area covered by the balls is independent of the ball diameter, being the ratio of a circle to the hexagon which surrounds it. This equates to 91% of the liquid surface area. The frictional contact points ensure that each ball remains stable when subjected to increased liquid or air turbulence.

Heat and liquid loss savings
  Open  Surface 1 layer  1.5" balls
Average Surface
Temperature oC
90       70      50 90        70      50
Energy consumption
Kwh/h
10.73    4.61    1.61 2.70    1.31    0.60
Percentage energy;
saving
-         -          - 75%    71%     65%
Evaporation
litres/m�h
13.05   4.97   1.45 1.67    0.41    0.14
Percentage
evaporation saving
-         -           - 87%    91%    90%
Test Tank Dimensions = 600mm(W) x 1850mm(L) x 1000mm(H).
Fasteners
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Kmac Distribution  •  3821 Clay Ave. SW  •  Wyoming, MI 49548

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