FEPAC

Foshan Tongbao Electrical Foshan Tongbao Electrical Foshan Tongbao Electrical Foshan Tongbao Electrical

Precision Alloy Co., LtdPrecision Alloy Co., LtdPrecision Alloy Co., LtdPrecision Alloy Co., Ltd

Our CompanyOur CompanyOur CompanyOur Company

Contact Contact Contact Contact

MaterialMaterialMaterialMaterial

Precision Alloy Co., LtdPrecision Alloy Co., LtdPrecision Alloy Co., LtdPrecision Alloy Co., Ltd

Contact Contact Contact Contact Contact Contact Contact Contact

MaterialMaterialMaterialMaterialMaterialMaterialMaterialMaterial

High High High High

ReliabilityReliabilityReliabilityReliability

Product SeriesProduct SeriesProduct SeriesProduct Series

Using powder metallurgyUsing powder metallurgy，，

High High High High

ProcessabilityProcessabilityProcessabilityProcessability

Using powder metallurgyUsing powder metallurgy，，we can producewe can produce：：AgNiOAgNiO、、

AgSnOAgSnO、、FF--AgAg、、AgAg、、AgZnOAgZnO、、SilverSilver--rare rare earth material ect.earth material ect.

ProcessingProcessingProcessingProcessingAgAg

CuCuFeFe

SnSnMnMn

FEPAC

NiNi

Atomized powderD e v i c e

AgNo3Sno

Ag ingot

Atomized powder

Mixing（with Ni、Sn）

Powder pre-Oxidized（Ag、Sn）

Ag ingotSn、Me

Atomized Powder

Chemical powder

Powder treatmentD e v i c e

C o l d i s o s t a t i cP r e s s i n g

German Extrusion

（Ag、Sn）

Forming

Sintering

Extrusion

Draw bench

Cleaning&packing

Strip rolling

Cold forging stamping

Bonding part

Cleaning&packing

Cleaning&packing

TestingTestingTestingTestingAgAg

CuCuFeFe

SnSnMnMn

FEPAC

NiNi

Shimadzu particlea n a l y z e r

Ag ingot

Atomized powderMixing

（with Ni、Sn)Powder pre-Oxidized

（Ag、Sn）Chemical composition,

Raw material testingRaw material testing

Atomic absorptions p e c t r o m e t e r

M e t a l l u r g i c a lm i c r o s c o p y

Contac t e lec t r ic

（Ag、Sn）

Forming

Sintering

Extrusion

Draw bench

Cleaning&packing

composition,impurity, and Rohs control

Dimension, uniformity andParticle size testing

Inprocess testingInprocess testing

Physical property, micro-structure and electric property testing

FinishedFinished--part testingpart testing

Technology feature/AgSnOTechnology feature/AgSnOTechnology feature/AgSnOTechnology feature/AgSnO

FEPAC

By using chemical coating process, our material has the advantage as below:By using chemical coating process, our material has the advantage as below:Uniform distribution of oxidizing material, steady electrical performance, steady contact Uniform distribution of oxidizing material, steady electrical performance, steady contact

resistance, low electroerosion, and good electric lifetime.resistance, low electroerosion, and good electric lifetime.Mainly applied in alternated contactor, air switch, high power alternated Mainly applied in alternated contactor, air switch, high power alternated

switch(≥50kW),low voltage circuit breaker under small or middle capacitance, switch(≥50kW),low voltage circuit breaker under small or middle capacitance, continuous contactor, a/c relay and automobile electric appliance.continuous contactor, a/c relay and automobile electric appliance.

M a t e r i a lf e a t u r e

Micro structure

Oxidizing material %

SnO,InO8、10、12、15%

SnO10、12、15%

SnO＋additive material10、12、15%

Oxidizing material size

tiny/wide tiny/wide medium

Oxidizing material shape

powder powder powder

Process Chemical coating process Chemical coating process Chemical coating process

TypeOxide Oxide Oxide Oxide

contentcontentcontentcontent

WtWtWtWt％％％％&size&size&size&size

hardnessHV,N/mmHV,N/mmHV,N/mmHV,N/mm

2222

densitydensitydensitydensity

≧g/cm≧g/cm≧g/cm≧g/cm3333

ResistivityResistivityResistivityResistivity

≦≦≦≦μΩμΩμΩμΩ·cmcmcmcm

Tensile Tensile Tensile Tensile

strengthstrengthstrengthstrength

MpaMpaMpaMpa

extensibility≧%≧%≧%≧%

210210210210 10101010，，，，tinytinytinytiny ≤≤≤≤1050 ≥9.84≥9.84≥9.84≥9.84 ≤2.50≤2.50≤2.50≤2.50 250250250250～～～～350350350350 ≥17≥17≥17≥17

218218218218 10101010，，，，widewidewidewide ≤≤≤≤900 ≥9.84≥9.84≥9.84≥9.84 ≤2.25≤2.25≤2.25≤2.25 250250250250～～～～350350350350 ≥17≥17≥17≥17

212212212212 12121212，，，，widewidewidewide ≤≤≤≤950 ≥9.75≥9.75≥9.75≥9.75 ≤2.40≤2.40≤2.40≤2.40 250250250250～～～～380380380380 ≥15≥15≥15≥15

S n 2 O 3

s e r i e s

Physica li n d e x

Technology feature/ Technology feature/ Technology feature/ Technology feature/ AgSnOAgSnO

FEPAC

212212212212 12121212，，，，widewidewidewide ≤≤≤≤950 ≥9.75≥9.75≥9.75≥9.75 ≤2.40≤2.40≤2.40≤2.40 250250250250～～～～380380380380 ≥15≥15≥15≥15

229229229229 15151515，，，，widewidewidewide ≤≤≤≤950 ≥9.60≥9.60≥9.60≥9.60 ≤2.60≤2.60≤2.60≤2.60 300300300300～～～～350350350350 ≥15≥15≥15≥15

TypeOxide Oxide Oxide Oxide

contentcontentcontentcontent

WtWtWtWt％％％％&size&size&size&size

hardnessHV,N/mmHV,N/mmHV,N/mmHV,N/mm

2222

densitydensitydensitydensity

≧g/cm≧g/cm≧g/cm≧g/cm3333

resistivity resistivity resistivity resistivity

≦≦≦≦μΩμΩμΩμΩ·cmcmcmcm

Tensile Tensile Tensile Tensile

strengthstrengthstrengthstrength

MpaMpaMpaMpa

extensibility≧%≧%≧%≧%

226226226226 10101010，，，，tinytinytinytiny ≤≤≤≤950 ≥9.84≥9.84≥9.84≥9.84 ≤2.30≤2.30≤2.30≤2.30 250250250250～～～～350350350350 ≥17≥17≥17≥17

223223223223 12121212，，，，tiny ≤≤≤≤1100 ≥9.75≥9.75≥9.75≥9.75 ≤2.50≤2.50≤2.50≤2.50 250250250250～～～～350350350350 ≥15≥15≥15≥15

264264264264 15,wide15,wide15,wide15,wide ≤≤≤≤1000 ≥9.60≥9.60≥9.60≥9.60 ≤2.50≤2.50≤2.50≤2.50 250250250250～～～～350350350350 ≥15≥15≥15≥15

TypeOxide Oxide Oxide Oxide

contentcontentcontentcontent

WtWtWtWt％％％％&size&size&size&size

hardnessHV,N/mmHV,N/mmHV,N/mmHV,N/mm

2222

densitydensitydensitydensity

≧g/cm≧g/cm≧g/cm≧g/cm3333

resistivity≦≦≦≦μΩμΩμΩμΩ·cmcmcmcm

Tensile Tensile Tensile Tensile

strengthstrengthstrengthstrength

MpaMpaMpaMpa

extensibility≧%≧%≧%≧%

228228228228 10101010，，，，mediummediummediummedium ≤≤≤≤950 ≥9.84≥9.84≥9.84≥9.84 ≤2.30≤2.30≤2.30≤2.30 250250250250～～～～350350350350 ≥15≥15≥15≥15

219219219219 12121212，，，，mediummediummediummedium ≤≤≤≤1000 ≥9.75≥9.75≥9.75≥9.75 ≤2.50≤2.50≤2.50≤2.50 250250250250～～～～350350350350 ≥10≥10≥10≥10

SnSn22oo33 InIn22OO33

s e r i e ss e r i e s

Ad d i t i veAd d i t i vep r o d u c tp r o d u c t

s e r i e ss e r i e s

welding resistance 、、、、arc energy 、、、、material erosion in processing

E l e c t r i cp r o p e r t yt e s t i n g

Technology feature/AgSnTechnology feature/AgSnTechnology feature/AgSnTechnology feature/AgSn oxideoxideoxideoxide

FEPAC

testing environmenttesting environment ：：：：：：：：

voltage:250V voltage:250V current:20A current:20A

Technology feature/AgNi

FEPAC

Using “ powder sintering extrusion“ technologyUsing “ powder sintering extrusion“ technology，，our product has advantage of lowour product has advantage of low--contact resistance, lowcontact resistance, low--electric erosion and good electric lifetime. electric erosion and good electric lifetime.

M a t e r i a lf e a t u r e

Micro-structure

Ni% 10% 20% 30%

Ni powder size

Ø FSSS : 2 to 5 µm

Processing Powder sintering extrusion

Powder sintering extrusion

Powder sintering extrusion

Technology feature/AgNi

FEPAC

Type Ni%hardness densitydensitydensitydensity resistivity Tensile Tensile Tensile Tensile

strengthstrengthstrengthstrength

extensibility

E l e c t r i cp r o p e r t y

Ni has excellent extensibility with high melting po int (melting point:1455 Ni has excellent extensibility with high melting po int (melting point:1455 ℃℃℃℃℃℃℃℃). By ). By adding silver, the material will have good physical property and can be applied adding silver, the material will have good physical property and can be applied in lowin low--current environment, such as relay, contact or, circuit breaker.current environment, such as relay, contactor, circ uit breaker.

AgNi alloy with Ni content at 20% or above is usual ly applied in movable contact in AgNi alloy with Ni content at 20% or above is usual ly applied in movable contact in protection switch.protection switch. 。。。。。。。。

P h y s i c a li n d e x

Type Ni%hardnessHV,N/mmHV,N/mmHV,N/mmHV,N/mm

2222

densitydensitydensitydensity

≧g/cm≧g/cm≧g/cm≧g/cm3333

resistivity≦≦≦≦μΩμΩμΩμΩ·cmcmcmcm

strengthstrengthstrengthstrength

MpaMpaMpaMpa

extensibility≧%≧%≧%≧%

230230230230 10101010 ≤750≤750≤750≤750 ≥10.25≥10.25≥10.25≥10.25 ≤1.90≤1.90≤1.90≤1.90 200200200200～～～～300300300300 ≥15≥15≥15≥15

237237237237 12121212 ≤800≤800≤800≤800 ≥10.20≥10.20≥10.20≥10.20 ≤1.96≤1.96≤1.96≤1.96 200200200200～～～～300300300300 ≥15≥15≥15≥15

239239239239 13.513.513.513.5 ≤800≤800≤800≤800 ≥10.15≥10.15≥10.15≥10.15 ≤2.02≤2.02≤2.02≤2.02 200200200200～～～～350350350350 ≥15≥15≥15≥15

231231231231 15151515 ≤800≤800≤800≤800 ≥10.10≥10.10≥10.10≥10.10 ≤2.05≤2.05≤2.05≤2.05 250250250250～～～～350350350350 ≥15≥15≥15≥15

232232232232 20202020 ≤800≤800≤800≤800 ≥10.00≥10.00≥10.00≥10.00 ≤2.20≤2.20≤2.20≤2.20 250250250250～～～～350350350350 ≥15≥15≥15≥15

236236236236 30303030 ≤800≤800≤800≤800 ≥9.80≥9.80≥9.80≥9.80 ≤2.35≤2.35≤2.35≤2.35 250250250250～～～～350350350350 ≥6≥6≥6≥6

Technology feature/ Technology feature/ Technology feature/ Technology feature/ SilverSilver--rare earth material oxiderare earth material oxide

FEPAC

M a t e r i a lf e a t u r e

P h y s i c a li n d e x

TypeRare earth

material content

hardnessHV,N/mmHV,N/mmHV,N/mmHV,N/mm

2222

density≧g/cm≧g/cm≧g/cm≧g/cm

3333

ResistivityResistivityResistivityResistivity

≦≦≦≦μΩμΩμΩμΩ·cmcmcmcmTensile strenth

MpaMpaMpaMpa

extensibility

≧%≧%≧%≧%

250250250250 10101010 ≤950≤950≤950≤950 ≥10.10≥10.10≥10.10≥10.10 ≤2.30≤2.30≤2.30≤2.30 200200200200～～～～300300300300 ≥15≥15≥15≥15

252252252252 12121212 ≤1000≤1000≤1000≤1000 ≥10.00≥10.00≥10.00≥10.00 ≤2.40≤2.40≤2.40≤2.40 200200200200～～～～300300300300 ≥15≥15≥15≥15

Micro-structure

Rare earth oxided material content

10% 12%

material erosion conditionE l e c t r i cp r o p e r t yt e s t i n g

FEPAC

Technology feature/ Technology feature/ Technology feature/ Technology feature/ SilverSilver--rare earth material oxiderare earth material oxide

testing environmenttesting environment ：：：：：：：：

voltage:250V voltage:250V current:20A current:20A

AgZnOAgZnO：：：：：：：：

Application area：current-limited switch and leakage switch working under 10A~1000A and 24~600V。

General evaluation：Since Zno has high thermostability, AgZnO is of good electric and heat conductivity & outstanding melting welding resistance.

M a t e r i a lf e a t u r e

Technology feature/AgCuOTechnology feature/AgCuOTechnology feature/AgCuOTechnology feature/AgCuO、、、、AgZnO

FEPAC

electric and heat conductivity & outstanding melting welding resistance. We can provide you wire and part using powder metallurgy technology.

AgCuOAgCuO：：：：：：：：

Application area：Contactor, magnetic switch, relay and controller working under middle or heavy loads.

General evaluation：we can provide you wire and part using powder metallurgy.

Voltage Current Contact material recommended

120V/250V ≦≦≦≦10A /Ag / Fag / AgCdO/AgNi/AgSnO2/AgSnO2In2O3

120V/250V 10A~16A / AgCdO/AgNi/AgSnO2/AgSnO2In2O3

120V/250V 16A~20A / AgCdO/AgSnO2/AgSnO2In2O3

120V/250V ≧≧≧≧20A / AgCdO/AgSnO2In2O3/AgSnO2+additive

A Capplication

application instruction/Alternated currentapplication instruction/Alternated currentapplication instruction/Alternated currentapplication instruction/Alternated current

FEPAC

55 1010 1515 2020

55

1010

1515

FAg AgNi AgCdO

AgSnO 2

AgSnO 2+additiveAgSnO 2In2O3

(A)(A)

(times)(times)

Continuous Continuous currentcurrent

Surge

Surge

currentcurrent

Voltage Current Contact material recommended

12V/24V ≦≦≦≦5A / Fag /AgNi/AgSnO2/AgSnO2In2O3

12V/24V 5A~15A /AgNi/AgSnO2/AgSnO2In2O3

12V/24V 15A~20A /AgSnO2/AgSnO2In2O3

12V/24V ≧≧≧≧20A /AgSnO2+additive material

Continuousc u r r e n tapplication

Application instruction/continuous currentApplication instruction/continuous currentApplication instruction/continuous currentApplication instruction/continuous current

FEPAC

55 1010 1515 2020

55

1010

1515

11 FAg AgNi

AgSnO 2

AgSnO 2Additive material

AgSnO 2In2O3

(A)(A)

(times)(times)

Rated Rated currentcurrent

Surge

Surge

currentcurrent

FEPAC

For our better future!For our better future!