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Technical specification for conductive carbon black Huadong rubber sheathed cable

Information Source:Henan Huadong Cable Co., Ltd Release date:2014-03-11

1 Scope

This specification describes the procurement "CB" material requirements, test method, inspection rules, signs, packaging, transportation and storage.

2 requirements and test methods

Conductive carbon black - Requirements and test methods comply with table 1.

Table 1 conductive carbon black - Requirements and test methods

Test project
The performance index
Test method
The specific surface area
GB/T 3780.5
Oil absorption value
GB/T 3780.2
The value of PH
GB/T 3780.7
Heating loss
GB/T 3780.8
Ash content
GB/T 3780.10
GB/T 3780.12

3 inspection rules

3.1 test methods and requirements

3.1.1 for fixed-point manufacturers supply of conductive carbon black, product performance is stable, as every batch of samples.
3.1.2 for the new supply of conductive carbon black, every batch of samples, 5 consecutive sampling all qualified, every batch of samples.
The 3.1.3 sampling method:Each batch of take a bag.

3.2 detection project

3.2.1 The test project for heating loss, pH value, ash, impurity.
3.2.2 cannot detect performance according to the manufacturer's test report or certificate of acceptance, and regular outsourcing detection.

4 packaging

With the inner bag is three layers of kraft paper, the outer bag is two layers of kraft packaging, should be complete without damage, moisture-proof anti pollution.

5 The sign

Packing: product name, batch number should be printed, production date, weight, manufacturer name

6 annex

The product into the plant, with the goods should be material manufacturer of quality assurance or quality check list, the first supply, must report the type test with the legal department. The normal supply, provide the type test report a legal department shall annually.

7 The transport

To avoid collision damage, anti mixing transportation.|

8 storage

Should be stored in a well ventilated, dry and cool, moisture-proof warehouse, and pay attention to prevent broken package pollution.

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