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High density foams,
filled (TDI) |
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This is a formulation for a high density calcium carbonate filled
foam. |
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| Formulation Low Density Foam Carbon dioxide blown |
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Polyether Glycerol PO,
EO 85 % primary OH, MW 3500, OH # 48, (CAS # 9082-00-2) |
100 |
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Calcium carbonate, 40 micron particle size |
63.5 |
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Stannous octoate, 50 % active (CAS # 301-10-0) |
0.45 |
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Silicone surfactant L-520 |
0.75 |
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Water |
2.2 |
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Triethylenediamine (CAS # 280-57-9) |
0.3 |
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N,N,N',N'-Tetramethyl-2,2'-oxybis(ethylamine) (CAS # 3033-62-3) |
0.2 |
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Dimethylformamid (CAS #68-12-2) |
0.2 |
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TDI 80 % (CAS # 26471-62-5) |
32.6 |
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Isocyanate Index |
1.14 |
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Processing temperature, °F,
(°C) |
82(28) |
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Test results of machine prepared foam (test
methods) (Conversion factors)
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Overall density kg/m3 ( lb/ft3),
(1 kg/m3 =
0.0624 lb/ft3
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64.7(4.04) |
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Compression set 50% |
4.8 |
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Compression set 90% |
10.6 |
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ILD, lb/50 sq/in |
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4",
25 % deflection |
54 |
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4",
65 % deflection |
114 |
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Tensile strength
kPa (PSI) (1 kPa = 0.145 PSI) |
12 |
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Elongation, %
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127
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Tear, pli |
1.8
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Ball rebound, % |
41 |
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Breathability, cfm, (1 cfm = 1.699011
m3/h)
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1.2
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Humid aging (5 hrs, 250°F)
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CLD loss, 50%
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33.5
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Compression set, 50%
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7.7
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Cell opener
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Last edited on:
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November 16, 2006
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Copyright®, Design, Layout and Technical Content by:
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