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Flexible Laminates APA AMA

Flexible Laminates APA-AMA

Flexible Laminates APA/AMA

The flexible laminates are provided by Ganapathy Industries in APA/AMA types. These top grade products have par-excellent heat resistance and are provided in the forms of roll, sheet, and strips. The Aramid Paper / Polyester Films / Aramid Paper Flexible composite material is manufactured in two layers of Aramid paper alongside the one layer of polyester film. Thermal stability and improved propagation tear strength is achieved by using the Aramid paper. The Aramid flexible laminates are suitable for use in electrical appliances with working temperatures of up to 155°C class F. Some features of flexible laminates are given below:

  • Outstanding heat resistance
  • First-rate mechanical strength and dielectric property
  • High stiffness
  • Good resistance to overload and cutting
  • Highly compatible with insulation varnish

Flexible Laminates Application:

It is used as interturn, slot and liner insulation for F-grade electrical motors and other electric appliances. We offer it in the forms of roll, sheet, and strips.

 Technical Specifications 

Properties

Unit

Typical Values

Nominal Thickness

mm

0.15

0.18

0.23

0.30

0.35

Thickness Tolerance

mm

+0.02

+0.03

+0.04

Grammage

G/m2

180+25

210+30

260+35

350+50

430+50

Tensile Strength

MD

No bending

N/50mm

>150

>160

>200

>270

>320

After bending

>80

>110

>150

>200

>250

TD

No bending

>90

>110

>150

>200

>250

After bending

>70

>90

>130

>170

>200

Elongation

MD

%

>10




TD

>15




Breakdown voltage

No bending

kV

>7

>10

>12

>15

>20

After bending

>6

>8

>10

>13

>16

Bending property at room temp.


No delamination

Banding property at 180oC+2oC, 10min


No delamination, No bubble, No adhesive flow

Temp. Index of heat-resistance in a long term (TI)


>155





 
Class F N-Aramid APA (Florothem)

Class F N-Aramid APA (Florothem)

The quality of electrical insulation is a decisive factor for functional capability and service life of electric motors, generators and other electrical rotating equipments.

Three way insulation consists of a polyester film with Aramid paper glued on both sides with high temperature adhesives. This composite (Flexible) material has special importance insulating class F electrical machines. 
Aramid paper has outstanding thermal characteristics and extra ordinary resistance against chemicals and solvent.

The better electrical and mechanical properties of polyester sheet are ideally complemented by high temperature resistance of the 
Aramid paper. Two sided covering of the Polyester film with Aramid paper, protects these laminates against influences of hydrolysis, making these laminates an importance insulation component in manufacturing insulating class F electrical equipments.

  • Advantages of FLOROTHERM ® (APA)
  • Class F Laminates (155°C)
  • High chemical and solvent resistance
  • Suitable for automatic insertion
  • Laminates have good dielectric strength
  • Protects from influence of hydrolysis
  • High temperature resistance
  • Good mechanical properties


Property

Clause in IEC 626-2

Unit tolerance










Laminate nominal thickness

2

mm

0.14

0.15

0.17

0.19

0.22

0.24

0.31

0.37

0.47

Laminate nominal tolerance

2

± %

15

15

15

15

15

15

15

10

10

Laminate nominal grammage

3

G/m2 + 12%

140

150

170

200

230

270

360

450

590

Film nominal thickness


um

23

36

50

75

100

125

190

250

350

Unfolded tensile strength

4

N/10 mm min MD

100

80

150

90


160

90

170

105

190

120

220

150

270

200

330

300

400

350

Folded tensile strength

4

N/10 mm min MD

80

50

80

70

90

70

100

90

110

100

130

120

200

150

250

200

300

250

Elongation unfolded

4

% min MD

15

20

15

20

15

20

15

20

15

20

20

25

20

25

20

25

20

25

Electric breakdown voltage (6mm diameter electrode)

9

Kv min. Unfolded folded

6

5

7

6

8

7

11

9

12

10

14

12

19

15

23

18

28

20

Shelf Life: FLOROTHERM® Flexible materials have practically unlimited period of shelf life if properly protected from dust, moisture and direct radiation of heat. It should be stored in dry place and recommended to be unpacked before it is to be used.

NOTES: The information given in the catalogue is based on general experience but no liability will be assumed or implied in connection with the use of these.