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PRODUCT LIST
Copper braid TW-30
Copper braid TW-20
Copper braid TWU-30
Copper braid cotton weft MWU-30
Copper braid cotton weft MW-25
Copper braid cotton weft MW-20
Tinned copper braid TWS-30
Tinned copper braid TWS-20
CUSTOMER CENTRE
ADD£ºYueqing Liu shi Yan dawdle Industrial Zone
TEL£º0577-62712129
FAX£º0577-62711029
P.C.£º325604
Contact: Mr. Xu
Mobile£º 13506670887
PRODUCT INTRODUCTION  

1¡¢Subject and the range of application
This criterion specifies the MW,TW,YWS Metal Braid category, technique requirements, test method, inspection rule, mark, package, transportation, and stockpile.
This criterion is suit for metal copper braid.

2¡¢Reference to standard
GB3953-1983 ¡® Round copper wire¡¯

3¡¢Products category
MW- Cotton Copper braid
TW- Copper braid
TWS- Tinned Copper braid

4¡¢Technique requirements
4.1 Material
The all copper wire of Metal braid should be fitted TR wire requirement of the GB3953-1983 criterion.
4.2 Façade
The surface of the metal braid is bright luster, no spot, no burr, no bruise , greasy dirt and weather on the finished braid. The all meridian should be level, not allow to warp and overturn.
4.3 Direct-Current(DC) Resistance
At 20¡æ£¬1m length metal DC resistance should be,
a.TW , TWS metal braid¡Ü0.0218¦¸
b. MW metal ¡Ü0.0230¦¸
4.4 Vertical Tensile strength
The metal braid vertical tensile strength is 245N.

5 Test method
5.1 The raw material test should go to follow the TR wire requirement of GB3953-183.
5.2 Using touch and eyeballing method to test the façade and quality.
5.3 Measuring the size by micrometer.
5.4 Using bridge measurement to test the DC resistance.
5.5Using pull machine to test the vertical tensile strength.

6. Inspection rule
6.1 Each batch of metal braid belt should pass quality inspection before the factory,
6.2 Copper material can pick the manufacturing warranty to relevant agencies for testing once a year.
6.3 Metal braid leave factory test project in follows,
a. project 3.2 products specification, total inspection
b. project 4.2 façade, total inspection
c. project 4.2 braid quality, total inspection
d. project 4.2 DC resistance, each batch 3~5 part.
e. project 4.5 Vertical Tensile strength, each batch 3~5 part.

7¡¢ Mark, Package, Transportation, Stockpile
7.1 According to customer, The product is supplied in rolls with each roll is about 200 meters long.
7.2 Allow a few short belt, with the shortest length not less than 20 meters
7.3 All the metal braid leave factory were attached certificate stating the type, quantity, manufacture date, inspectors sealed.
7..5 Storage warehouse keep 20 ~ 25 ¡æ, relative humidity less than 70%, non-corrosive gas environment.
7.6 Not to Ballast pile above on the metal braid.
Under the storage conditions, the appropriate retention period is one and a half years.

 

Additional note:
This standard is Yueqing metal rolling knittings made to Beijing
This standard is Yueqing metal rolling knittings prepared to Beijing

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