OEM Manufacturer Magnetic Wire Headphones - EIW 180 Polyedster-imide 0.35mm Enamelled copper wire – Ruiyuan

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We take pleasure in a really excellent name amongst our shoppers for our exceptional product or service excellent, competitive rate and also the greatest services for Magnetic Copper Wire, 2WUE/3UEW Varnished Copper Winding Wire, AWG 43 Heavy Formvar Enamel Copper Winding Wire, We sincerely do our best to offer the best service for all the clients and businessmen.

OEM Manufacturer Magnetic Wire Headphones - EIW 180 Polyedster-imide 0.35mm Enamelled copper wire – Ruiyuan Detail:

The chemical contents of EIW is Polyedster-imide, which is the combination of Terephthalate and Esterimide. At operating environment of 180C, EIW can maintain good stability and insulating property. Such insulation can be well attached to conductor(adherence).
1，JIS C 3202
2，IEC 60317-8
3，NEMA MW30-C

1. good property in thermal shock
2. Radiation resistance
3. Excellent performance in heat resistance and softening breakdown
4. Excellent thermal stability, scratch resistance, refrigerant resistance and solvent resistance
Applied standard:
JIS C 3202
IEC 317-8
NEMA MW30-C

Our enameled copper wire can be applied to various devices such as heat-resistant motor, four-way valve, induction cooker coil, dry-type transformer, washing machine motor, air conditioner motor, ballast, etc.
Test method and data for adhesion of EIW enameled copper wire are as follows:
For enameled copper wire with diameter less than 1.0mm, jerk test is applied. Take three strands of samples with a length of about 30cm from the same spool and draw marking lines with a distance of 250mm respectively. Pull sample wires at a speed of more than 4m/s till they break. Check with the magnifying glass as specified in the table below to see if there’ s any cleavage or crack of exposed copper or loss of adhesion. Within 2mm won’ t be counted in.

When the diameter of conductor is more than 1.0mm, twisting method (Exfoliation Method) is applied. Take 3 turns of samples with a length of about 100cm from the same spool. The distance between the two chucks of the testing machine is 500mm. Then twist the sample in the same direction at one end of it at a speed of 60-100 rpm per minute. Observe with naked eyes and mark down the number of twists when there’ s exposed copper of enamel. However, when sample is broken during twisting, it’ s a requisite to take another sample from the same spool to continue the test.

Nominal Diameter	Enameled Copper Wire (overall diameter)						Resistance at 20 °C
Nominal Diameter	Grade 1		Grade 2		Grade 3		Resistance at 20 °C
[mm]	min [mm]	max [mm]	min [mm]	max [mm]	min [mm]	max [mm]	min [Ohm/m]	max [Ohm/m]
0.100	0.108	0.117	0.118	0.125	0.126	0.132	2.034	2.333
0.106	0.115	0.123	0.124	0.132	0.133	0.140	1.816	2.069
0.110	0.119	0.128	0.129	0.137	0.138	0.145	1.690	1.917
0.112	0.121	0.130	0.131	0.139	0.140	0.147	1.632	1.848
0.118	0.128	0.136	0.137	0.145	0.146	0.154	1.474	1.660
0.120	0.130	0.138	0.139	0.148	0.149	0.157	1.426	1.604
0.125	0.135	0.144	0.145	0.154	0.155	0.163	1.317	1.475
0.130	0.141	0.150	0.151	0.160	0.161	0.169	1.220	1.361
0.132	0.143	0.152	0.153	0.162	0.163	0.171	1.184	1.319
0.140	0.51	0.160	0.161	0.171	0.172	0.181	1.055	1.170
0.150	0.162	0.171	0.172	0.182	0.183	0.193	0.9219	1.0159
0.160	0.172	0.182	0.183	0.194	0.195	0.205	0.8122	0.8906

Nominal Diameter [mm]	Elongation acc to IEC min [%]	Breakdown Voltage acc to IEC			Winding Tension max [cN]
Nominal Diameter [mm]	Elongation acc to IEC min [%]	Grade 1	Grade 2	Grade 3	Winding Tension max [cN]
0.100	19	500	950	1400	75
0.106	20	1200	2650	3800	83
0.110	20	1300	2700	3900	88
0.112	20	1300	2700	3900	91
0.118	20	1400	2750	4000	99
0.120	20	1500	2800	4100	102
0.125	20	1500	2800	4100	110
0.130	21	1550	2900	4150	118
0.132	2 1	1550	2900	4150	121
0.140	21	1600	3000	4200	133
0.150	22	1650	2100	4300	150
0.160	22	1700	3200	4400	168

ISO 9001

RoHS
REACH SVHC
MSDS

Transformer

application

Motor

application

Ignition coil

application

Voice Coil

application

Electrics

application

Relay

application
Enameled

Drawing

Enameled

Paint

Annealing

Enameled

Baking

Enameled

Cooling

company

Customer Oriented,Innovation brings more Value

RUIYUAN is a solution provider, which requires us to be more professional on wires, insulation material and your applications.

Ruiyuan has a heritage of innovation, along with advancements in enameled copper wire, our company has grown through an unwavering commitment to integrity, service and responsiveness to our customers.

We look forward to continuing to grow on the basis of quality, innovation and service.

company
company

7-10 days Average delivery time.
90% European and North American customers. Such as PTR,ELSIT, STS etc.
95% Repurchase rate
99.3% Satisfaction rate. Class A supplier verified by German customer.

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