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Beijing Found Mechanical & Electrical.Co., Ltd
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3026 3025 3025B 3025C Phenolic Cotton Cloth Laminated Sheets |
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 Click to enlarge image
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| Phenolic cotton cloth laminated sheets are made of cotton cloth impregnated phenolic resin by processing under heat and pressure. |
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Product Type
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Active Standard
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Performance & Purpose
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| 3026 |
JB1679-75 |
ãÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂãÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂMechanical and Electrical applications. |
| 3025 |
JB886-75 |
ãÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂãÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂMechanical applications. |
| 3025B |
QB |
ãÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂãÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂperformance is a little lower than 3025. |
| 3025C |
QB |
ãÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂãÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂperformance is a little lower than 3025B. |
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| specification |
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No.
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Item
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Unit
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Value
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3026
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3025
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3025B
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3025C
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1
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Density |
g/cm3
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1.30-1.40
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1.30-1.40
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1.30-1.45
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1.30-1.45
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2
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Martens heat resistance (LW) |
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125
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125
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125
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125
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3
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Flexural strengthãÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ≥ |
MPa
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130
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110
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90
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70
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4
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Tensile strengthãÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ≥ |
MPa
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80
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70
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—
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—
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5
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Impact strengthï¼ÂÂÂÂÂÂÂÂÂÂcharpyãÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ≥ |
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30
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25
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20
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15
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6
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Pressing strengthãÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ≥ãÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ
ã Perpendicular to lamination
ã Parallel to lamination |
MPa
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250
150
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—
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—
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—
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7
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Water absorption( Thickness 10mm)ãÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ≤ |
%
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1.0
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8
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Adhesion forceãÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ≥ |
N
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5390
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4500
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4500
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9
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Voltage endurance perpendicular to lamination ãÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ≥ (in oil 90±2âÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ)
ã Thicknessï¼ÂÂÂÂÂÂÂÂÂÂ0.5ï½ÂÂÂÂÂÂÂÂÂÂ1mm
ã Thicknessï¼ÂÂÂÂÂÂÂÂÂÂ1.1ï½ÂÂÂÂÂÂÂÂÂÂ2mm
ã Thicknessï¼ÂÂÂÂÂÂÂÂÂÂ2.1ï½ÂÂÂÂÂÂÂÂÂÂ3mm |
kV/mm
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—
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4.0
3.0
2.0
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—
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2.5
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—
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2.5
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10
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Thickness |
mm
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0.5-100
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2.0-100
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11
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Area of the sheets |
mm
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2040×1020ï¼ÂÂÂÂÂÂÂÂÂÂ1220×1020ï¼ÂÂÂÂÂÂÂÂÂÂ2460×1230
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