T-501A is spray blend polyols, it reacts with isocyanate to produce foam which has excellent performances, which are as follows,
1) fine and uniformity cells
2) low thermal conductivity
3) perfect flame resistance
4) good low temperature dimentional stability.
It applies to all kinds of thermal insulation engineering which uses the spray technology, such as cold rooms, pots, large-scale pipelines and construction metope etc.
CLOSED CELL POLYURENE MDI &POLY PHYSICAL PROPERTIES
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1
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Density
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245FA/ft²
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33.6kg/³
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2
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Initial Thermal Resistance (R-value@ 1 inch )See ESR for additional R-Value information
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7.4ft²hF/BTU
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1.3Km²/w
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3
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Air Leakage @75Pa@1”
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<0.002L/sm²
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4
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Air Permeance @75 Pa@1”
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<0.002L/sm²
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5
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System Air Leakage Rating ,After wind Conditioning @ ∆
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<0.0022L/sm²
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6
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Penetrations Check :Continuity at Penetrations @ reference air leakage
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Pass
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7
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Water vapor Permeance @1.42”
Qualifies as a Class II vapor barrier per IBC Section 202 |
<1perm
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<57.2ng/Pa•s•m
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8
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Compressive Strength
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28.7Psi
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198kPa
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9
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Tensile Strength
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46.2Psi
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319Kpa
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10
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Dimensional Stability @158°F(70°C)97% R.H
(168 hrs,sample without any substrate) |
(% volume change )
-1.37/-0.42/+0.27 |
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11
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VOC Emissions Standard
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Complaint
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12
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Closed Cell Content
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≥90%
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Appearance
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Light yellow to brown yellow viscous liquid
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OHvalue mgKOH/g
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250-400
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Dynamic viscosity (25℃) mPa.S
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1000-1500
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Density (20℃) g/ml
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1.10±0.02
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Storage temperature ℃
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10-25
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Storage stability month
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6
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Raw materials
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pbw
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DonFoam 601 polyols
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100 g
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Powder
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3-5
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Isocyanate
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60-100
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Rise time
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50-70s
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Gel time
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140-160s
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Tack free time
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200-220s
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Free density
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300-850kg/m3
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Moulding density
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400-1000 kg/m3
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Curving strength
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7-20 MPa
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Compressive strength
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7-30 MPa
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Tensile strength
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5-20 MPa
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Surface strength
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35-70 (Shore D)
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Shrinking ratio
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≤0.1%
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