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GPO-3 UPGM203 Polyester Glass Mat Laminate Sheet----[[LIREN ELECTRICAL INSULATION MATERIALS]]
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GPO-3 / UPGM203 Polyester Glass Mat Laminate Sheet

   

 

 

Description:

GPO-3 Polyester Glass Mat Laminate Sheet is produced by combining polyester resin with glass mat and suitable in organic fillers and laminating under heat and pressure.

This laminate is in accordance with the following international standards:

NEMA LI-1: GPO-3, IEC60893 UP GM 203, DIN 7735 HM2471/ HM2472.

GPO-3 laminates sheet offers a superior combination of electrical and mechanical properties such as dielectric strength, flame resistance, high arc and carbon track resistance, moderate heat resistance and high-impact strength. It also exhibits good retention of properties and dimensional stability at elevated temperatures.

Application:

GPO-3 Laminate Sheet is used extensively in the making of phase and end barriers, insulating supports, bus bar supports and mounting panels in switchgear and other types of electrical apparatus

Nominal Thickness & Tolerance: 0.80mm - 100.0mm

 

Thickness mm

Tolerance

± mm

Thickness mm

Tolerance

± mm

Thickness mm

Tolerance

± mm

0.8

0.20

5.0

0.52

25.0

1.70

1.0

0.20

6.0

0.60

30.0

1.95

1.2

0.20

8.0

0.72

35.0

2.10

1.6

0.23

10.0

0.82

40.0

2.30

2.0

0.28

12.0

1.02

45.0

2.50

2.5

0.33

14.0

1.12

50.00

2.80

3.0

0.37

16.0

1.30

55.0

3.10

4.0

0.45

20.0

1.50

55.0 -100.0

3.30

Remarks:

1. Nominal Thickness Tolerance conform to NEMA LI-1 Standards.

2. Nominal thickness not listed in the table, the tolerance should be

as same as the next greater thickness.

3. Special requirement of the tolerance, please contact us.

Standard Sheet Size: 1000 ±15 mm X 1200 ±25 mm

1000 ±15 mm X 2000 ±25 mm

1200 ± 15 mm X 2400 ±25 mm

Packing & Transportation

The sheet should be suitably packed and the transportation should be selected upon the order quantity and should be undamaged at the products.

 

 

 

 

Technical Data:

Properties

Unit

Typical Value

ASTM/UL Test Method

Physical Properties

Color

----

Red/White

 

Specific Gravity

g/cm³

1.90-2.0

D792

Water absorption

%

0.2-0.44

D570

 

Mechanical

Properties

Tensile Strength

MPa

103.8

D638

Tensile Modulus(Young’s Modulus

MPa

11,721

D638

Flexural Strength Transverse

Room Temp.

MPa

173.1

D790

130

MPa

90

D790

Flexural Modulus

MPa

8,307.7

D790

Compressive Strength

flatwise

MPa

290.8

D695

edgewise

MPa

204.2

D695

Shear Strength

MPa

≥ 80

D732

Izod Impact Strength (Notched)

Ft.lb./in.

8.9

D256

Water Absorption

% by Wgt.

0.2~0.44

D570

Barcol Hardness

----

50

D2583

Electrical

Properties

Volume Resistivity

Ω·m

≥ 5.0 x 10 11

D257

Surface Resistivity

Ω

≥ 5.0 x 10 12

D257

Electric Strength s/t in Air -

KV/mm

≥14

D149

Electric Strength - //

KV

≥ 45

D149

Arc Resistance

Sec.

≥ 182

D495

IEC tracking resistance

Time to track

min

≥300

D2303

CTI

V

600

UL 746A

Dielectric Constant

1MHz

----

4.1

D150

Dissipation Factor

1MHz

----

0.01

D150

Flame

Resistance

Oxygen Index

%O2

≥ 35

D2863

UL Subject 94

 

V-O

UL94

Flame Resistance

Ignition Time

Sec.

≥ 75

D229

Burning Time

Sec.

≤ 85

D229

Smoke Density

----

≤ 200

E 662

Toxicant (Emission halogen etc.)

 

Low

E 662

Thermal

Properties

Coefficient of Thermal Expansion

In/in/°C x10-5

2

D696

Thermal Conductivity

BTU/hr/Ft2/in/°C

1.9

C177

UL Temperature Index

Electrical

°C

155

UL746B

Mechanical

°C

155

UL746B

Miscellaneous

Resistance to microorganisms(fungus, mold, bacteria)

good

G21-G22

Typical Values for testing 1.5mm or 1.6mm material.

 

Notes: The technical information and data, recommendations, and other statements provided are based on tests or experience which we believes to be reliable, but the accuracy or completeness of such information is not guaranteed. Before using this product, you must evaluate it and determine if it is suitable for your intended application.

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