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G-10
Custom G-10 Machined Parts:

JY machinery is the professional manufacturer of electrical insulating parts G-10.

Precision further processing and stability guarantee of material have made us became the solver of electric insulation technology project.

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G-10 epoxy glass fiber cloth laminates (glass fabric reinforced laminates),which is made of alkali-free glass fiber cloth impregnated,bonded with epoxy resin through processing at high temperature and pressure as a rigid insulating laminated sheet,Compliance with ROHS requirements.NEMA G-10 is a non-brominated, non-flame retardant grade of glass epoxy laminate.

The features of G-10:


-Halogen free
-Excellent heat resistance(Class F)
-High voltage resistance(Electric strength≥16Kv/mm)
-High mechanical strength
-Excellent electrical performance

NEMA Grade G-10 glass epoxy laminate properties:

No.

Test Item

Test condition

 Unit

Standard Value

Testing Result

1

Density

‐‐

 g/cm3

≥1.70

1.85

2

Moisture Absorption (0.187”)

ASTM D-570

 %

0.15 max

0.02

3

Breakdown Voltage              Condition A
(0.062”)                                Condition D-48/50

ASTM D-149

 kV

45 min
40 min

50
47

4

Permittivity (0.187'')             Condition A
                                               Condition D-24/30
                                               Condition D-48/50

ASTM D-150

‐‐

5.20
5.40
5.80

4.60
4.60
4.70

5

IZOD Impact Strength (0.187”)        Length-Wise
                                                          Cross-Wise

ASTM D-229

 ft-lb/in
Notched

7.0 min
5.5 min

15
10

6

Flexural Strength (0.187”)              Length-Wise
                                                        Cross-Wise

ASTM D-790

 ksi (MPa)

55 (380) min
45 (311) min

80 (552)
70 (483)

7

Flexural Modulus (0.187”)                             Length-Wise
                                                                        Cross-Wise

ASTM D-790

 psi

‐‐

2,700
2,400

8

Tensile Strength (0.125”)                              Length-Wise

ASTM D-638

 psi

‐‐

45,000
38,000

9

Compressive Strength

ASTM D-695

 psi

‐‐

65,000

10

Hardness Rockwell M

ASTM D-785

 ‐‐

‐‐

M110

11

Bonding Strength (0.500”)                               Condition A
                                                                         Condition E-48/50

ASTM D-229

 Lb (kg)

2,000 min
1,600 min

2,300
2,200

12

Shear Strength (punch type, 0.125”)

ASTM D-732

 ksi (MPa)

‐‐

25 (172)

13

Temperature Index

ASTM D-2304

 ℃

‐‐

130

14

Coefficient of Linear Thermal Expansion            Length-wise
                                                                             Cross-wise

ASTM D-696

 X 10-5 in./in./°F

‐‐

0.55
0.66

15

Flammability Rating

UL94

 Class

‐‐

H-B

16

Dissipation Factor @ 1 MHz                           Condition A
 (0.187”)                                                           Condition D-24/30
                                                                         Condition D-48/50

ASTM D-150

 ‐‐

0.025
0.035
0.045

0.018
0.019
0.020

17

Dielectric Strength (Condition A)

ASTM D-149

 V/mil

‐‐

800

18

Arc Resistance (0.125”)

ASTM D-495

 Sec

‐‐

130

19

Comparative Tracking Index (0.125”)

ASTM D-3638

 V

‐‐

200



Standard Size:1020x1220mm 1020x2040mm


Popular Applications:

-Military Industry

-Transformer

-New Energy

-Generation Equipment

-Medical apparatus and instruments

-transmission & Distribution

-Switchgear

-Frequency Converter

-Circuit Breaker

-Motor




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