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
	Flexural Strength Transverse	130℃	MPa	90	D790
	Flexural Modulus		MPa	8,307.7	D790
	Compressive Strength	flatwise	MPa	290.8	D695
	Compressive Strength	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
	IEC tracking resistance	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
	Flame Resistance	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
	UL Temperature Index	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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