HG/T 3643-1999 Chlorinated Paraffin-70 HG/T3643-1999 Standard download decompression password: www.bzxz.net

Registration number: 4061-—1999
HG/T3643—1999
There are many domestic chlorinated paraffin-70 manufacturers, and some of their products are exported to earn foreign exchange. Since the enterprise standards of various manufacturers are different in inspection methods, project settings and index values, they cannot meet the needs of users. In order to adapt to the needs of market development and improve the competitiveness of products in the international market, this industry standard is specially formulated. This standard does not set color and density in the project setting, and adds sieve residue and heating loss. This standard was proposed by the Technical Supervision Department of the former Ministry of Chemical Industry of the People's Republic of China. This standard is under the jurisdiction of the Chemical Additives Sub-Technical Committee of the National Rubber and Rubber Products Standardization Technical Committee. The drafting units of this standard are: Shenyang Chemical Co., Ltd., Shanxi Chemical Research Institute. The main drafters of this standard are: Liu Xiaogang, Fan Xiuli, Zhou Yanling, Zhao Aihui, and Chen Xingyan. 387Www.bzxZ.net
Chemical Industry Standard of the People's Republic of China
Chlorinated paraffins-70
Chlorinated paraffins-70
HG/T 3643—1999
This standard specifies the requirements, test methods, inspection rules, marking, instructions for use, packaging, transportation and storage of chlorinated paraffins-70. This standard applies to chlorinated paraffins-70 obtained by chlorination of high carbon wax. 2
Cited Standards
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard is published, the versions shown are valid. All standards will be revised, and parties using this standard should explore the possibility of using the latest versions of the following standards. GB/T601--1988 Preparation of standard solutions for titration analysis (volumetric analysis) of chemical reagents GB/T603-1988 Preparation of preparations and products used in test methods for chemical reagents (neqISO6353-1:1982) GB/T 1250—1989
GB/T 6682--1992
GB/T 8170—1987
Expression and determination methods of limit values ​​Specifications and test methods for laboratory water (neqISO3696:1987) Rules for rounding off values
GB/T 11409. 3—1989
GB/T 11409. 4---1989
GB/T 11409.5—1989
HG/T 3017—1988
HG/T 3018—1988
3 Requirements
Determination method for softening point of rubber antioxidant and vulcanization acceleratorDetermination method for heating loss of rubber antioxidant and vulcanization acceleratorDetermination method for sieve residue of rubber antioxidant and vulcanization acceleratorDetermination of chlorine content of chlorinated paraffinMercury titration method
Determination of thermal stability index of chlorinated paraffin
Chloroparaffin-70 shall comply with the requirements of Table 1.
Table 1 Technical requirements for chlorinated paraffin-70
Chlorine content, %
Softening point, ℃
Heat stability index, %
Heating loss, %
Sieve residue, %
Approved by the State Administration of Petroleum and Chemical Industry on August 12, 1999 388
First-class product
Qualified product
White or light yellow powder
Implemented on October 1, 2000
4 Test method
4.1 Appearance
Visual inspection.
4.2 Determination of chlorine content
HG/T 3643-1999
According to the provisions of HG/T3017, where c［
Hg（NO,)2·Hz0J=0.025mol/L, the sample weight is 0.015g~0.020g, and two drops of ethylene glycol can be added to the tail of the filter paper package sample to assist combustion when burning the sample. 4.3 Determination of softening point
According to the provisions of GB/T11409.3.
4.4 Determination of thermal stability index
According to the provisions of HG/T3018.
4.5 Determination of heating loss
According to the provisions of GB/T11409.4, where the temperature of the electric constant temperature drying oven is adjusted to (105±2)℃ during the determination. 4.6 Determination of sieve residue
According to the 2000 method in GB/T11409.5-1989, test sieve (GB/T6003.1-1997), aperture 0.9mm (20 mesh). 5 Inspection rules
5.1 This product is a batch of uniform products per package. 5.2 The quality inspection department of the production unit shall inspect each item according to this standard. The production unit shall ensure that all products leaving the factory meet the requirements of this standard and attach quality certificates.
5.3 The user has the right to inspect the received nitrified paraffin-70 products according to this standard. 5.4 The number of sampling bags in each batch shall not be less than 5% of the total number of bags, and shall not be less than three bags at least. The sampler shall be inserted vertically from the bag mouth to take out representative samples. The sample of each bag shall not be less than 0.5kg. The mixed sample shall be sampled by quartering method. The sample of not less than 0.5kg shall be quickly put into two clean, dry, ground-mouth bottles with lids. Labels shall be affixed to the bottles, indicating the manufacturer's name, product name, batch number and sampling date. One bottle is used for inspection and one bottle is kept for future reference.
5.5 The storage period of the samples kept for future reference is three months for domestic sales and six months for export. 5.6 The numerical rounding of the analysis results shall be carried out in accordance with the provisions of GB/T8170, and the determination of the analysis results shall be carried out in accordance with the provisions of GB/T1250. 5.7 If one of the test results does not meet the requirements of this standard, the sample shall be doubled for inspection again. If the result still does not meet the requirements of the standard, the batch shall be unqualified.
5.8 When the supply and demand parties have any disagreement on the product quality, the two parties shall negotiate to resolve it. If arbitration is required, it shall be carried out in accordance with the provisions of this standard. 6 Marking and instruction manual
6.1 Marking
The content of the marking includes: product name, standard number, net content, factory name, factory address, production date, trademark and "wet-afraid" mark. 6.2 Instruction manual
a) Product features.
b) Main uses and applicable scope.
c) Varieties, specifications and requirements.
d) Product packaging, storage and delivery acceptance. 7 Packaging, transportation and storage
7.1 This product adopts two packaging specifications: (40±0.2)kg and (25±0.2)kg. 389
HG/T3643-1999
2 It is packed in polypropylene woven bags or composite paper bags lined with plastic film, and the bag mouth is sewn tightly with ropes. 7.2
7.3 During transportation and loading and unloading, avoid rain and moisture, handle with care, and do not damage the packaging. 7.4 This product should be stored in a well-ventilated, cool and dry warehouse or shed, and should not be near heat sources or fire sources, and should not be exposed to sunlight.
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.