HG/T 2796-1996 Silicon Aluminum Carbon Black Packaging, Storage, Transportation, Sampling and Acceptance Methods HG/T2796-1996 Standard Download Decompression Password: www.bzxz.net

HG / T 2796—1996
This standard is a basic standard, which is formulated according to the characteristics of chemical products: and the provisions of relevant national standards GB1.3-87 "Standardization Guidelines for Product Standard Abbreviations" and GB/T6678-86 "General Principles for Sampling of Chemical Products" in combination with the actual domestic situation. This standard clearly stipulates the packaging standards, sampling method standards and inspection method standards for silicon aluminum carbon black. The implementation of this standard will ensure the product quality of silicon aluminum carbon black, protect the environment and prevent pollution, promote faster and better product introduction to the market, and meet the needs of users.
This standard is proposed by the Technical Supervision Department of the Ministry of Chemical Industry of the People's Republic of China; This standard is under the jurisdiction of the Carbon Black Industry Research and Design Institute of the Ministry of Chemical Industry; This standard was drafted at the expense of the Carbon Black Industry Research and Design Institute of the Ministry of Chemical Industry: The main drafters of this standard are Hu Kaibi and Yu Lian. 1 Scope
Chemical Industry Standard of the People's Republic of China
Silicon Aluminum Carbon Black Packaging, Transportation, Sampling and
Acceptance Methods
This standard specifies the packaging, storage, transportation, sampling and acceptance methods of bagged silicon aluminum carbon black. 2 Cited Standards
HG/ T 2796 —1996
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When the standard is published, the versions shown are valid. All standards will be revised. Parties using this standard should explore the possibility of using the latest versions of the following standards: GB/T 6678-86 General Rules for Sampling of Chemical Products 3 Product PackagingbzxZ.net
3.1 At the end of the production process, the net weight of each package of products is 25kg or as required by the user, and the allowable weighing error is ±0.2kg.
3.2 The products are bagged in the form of fan-flattened rectangular blocks with the bag mouth sealed. 3.3 The packaging material must be strong enough to prevent damage during transportation and have the ability to prevent moisture and pollution. 3.4 Packaging bag structure
The inner bag is three layers of 80g/m2 kraft paper, and the outer bag is a plastic woven bag with a layer of plastic film on the inner wall; the inner bag is polyethylene carboxylic acid, and the outer bag is a plastic woven bag and a paper-plastic composite bag.
3.5 Packaging mark
Each package should have a striking mark on the front, and the content of the mark includes: a)
Manufacturer name:
Product name. Category;
Registered trademark;
Net weight:
Production date.
4 Product storage and transportation
4.1 The product should be stored in a ventilated place. 4.2 Avoid mixed storage and transportation with items that may deteriorate the product or damage the packaging bag. 4.3 Purchase, storage and transportation should ensure that the product packaging is clean and not damaged. Any product that has been taken out of the package shall not be returned to the package. 5 Sampling
5.1 Sampler
Approved by the Ministry of Chemical Industry of the People's Republic of China on April 10, 1996, and implemented on January 1, 1997
It is a stainless steel spoon with a handle.
5.2 Sample container
A wide-mouth plastic bottle with a screw cap that can hold 2g of sample
HG/T 2796—1996
5.3 Number of samples
5.3.1 According to GB/T6678, if the number of units of the overall material is less than 500, the number of sampling units shall be selected according to the provisions of Table 1. Table 1 Provisions for selecting sampling units
Total number of materials
11 49
50 ~ 64
82 ~101
102~125
126~151
152~181
182216
255~296
297-343
344 394
395-450
45[～512
Minimum number of sampling bags
5.3.2 If the total material unit is greater than 500, the number of sampling units is 3VN (N is the total number of units). If it is a decimal, it is rounded up to an integer. 5.4 Sampling method
Open the mouth of the sampling bag, use the sampler to sample near the center of the bag, take an equal portion from each sampling bag, mix them, and then put them into the sample container. The total sample volume is 2kg.
5.5 Sample label
After the sample is placed in the container, immediately a label is attached to the outer wall of the container. The label includes the following content: (self)
Sample name and number:
Overall material batch number and quantity;
Production unit:
Sampling location;
Sample quantity;
Sampling date:
gName of the sampler.
HG/T2796—1996
5.6 Sampling report
The sampling report includes information for identifying the sample and detailed instructions useful to the inspector. The sample is accompanied by a copy of the report. 5.7 Storage of samples
5.7.1 The sample should be stored in a sample room with appropriate temperature and humidity. 5.7.2 The effective storage period of the sample is half a year
6 Inspection
Product factory inspection and type inspection are carried out in accordance with the items specified in the technical conditions and standards. Judgment rules
If any item of factory inspection and type inspection does not meet the index, it will be judged as a non-conforming product. 8 Acceptance
81 Product acceptance is carried out in accordance with the inspection regulations. The acceptance period is within 304 days from the date the product is delivered to the consignee's station or port. 8.2
Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.