GB/T 3781.6-2019 English PDF

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GB/T 3781.6-2019: Acetylene black -- Part 6: Determination of apparent specific volume
Status: Valid

GB/T 3781.6: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 3781.6-2019	119	Add to Cart	3 days	Acetylene black -- Part 6: Determination of apparent specific volume	Valid
GB/T 3781.6-2006	199	Add to Cart	2 days	Acetylene black -- Part 6: Determination of apparent specific volume	Obsolete
GB/T 3781.6-1993	199	Add to Cart	2 days	Acetylene black--Determination of apparent specificvolume	Obsolete

Similar standards

GB/T 3780.8   GB/T 3780.5   GB/T 3780.18   GB/T 3780.21   GB/T 3780.7   GB/T 3781.5   

Basic data

Standard ID: GB/T 3781.6-2019 (GB/T3781.6-2019)
Description (Translated English): Acetylene black -- Part 6: Determination of apparent specific volume
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G49
Classification of International Standard: 83.040.20
Word Count Estimation: 6,614
Date of Issue: 2019-08-30
Date of Implementation: 2020-07-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 3781.6-2019: Acetylene black -- Part 6: Determination of apparent specific volume

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Acetylene black - Part 6. Determination of apparent specific volume ICS 83.040.20 G49 National Standards of People's Republic of China Replace GB/T 3781.6-2006 Acetylene black - Part 6. Determination of apparent specific volume Published on.2019-08-30 2020-07-01 implementation State market supervision and administration China National Standardization Administration issued

Foreword

GB/T 3781 "acetylene black" is divided into the following parts. ---Part 5. Determination of coarse fractions; ---Part 6. Determination of apparent specific volume; ---Part 8. Determination of the amount of hydrochloric acid absorbed; --- Part 9. Determination of resistivity. This part is the sixth part of GB/T 3781. This part is drafted in accordance with the rules given in GB/T 1.1-2009. This part replaces GB/T 3781.6-2006 "acetylene black black part 6. determination of apparent specific volume", this part and GB/T 3781.6- Compared with.2006, the main technical changes are as follows. --- Added "Instrument Method (Method B)" (see Chapter 1); --- Added "tap density meter" (see 4.4); --- Added "Test Procedure for Instrumentation" (see 6.2); --- Added Figure 1. This part was proposed by the China Petroleum and Chemical Industry Federation. This part is under the jurisdiction of the National Rubber and Rubber Products Standardization Technical Committee (SAC/TC35). This section is responsible for drafting units. Zhonghao Heiyuan Chemical Research and Design Institute Co., Ltd., Sichuan University of Light Industry. The main drafters of this section. Sun Liping, Chen Jian, Deng Yi. The previous versions of the standards replaced by this section are. ---GB/T 3781.6-1983, GB/T 3781.6-1993, GB/T 3781.6-2006. Acetylene black - Part 6. Determination of apparent specific volume Warning---The personnel using this section should have hands-on experience in formal laboratory work. This section does not point out all possible security questions. question. It is the responsibility of the user to take appropriate safety and health measures and to ensure compliance with the conditions set by the relevant national regulations.

1 Scope

This part of GB/T 3781 specifies the method for determining the specific volume of acetylene black by manual method (A method) or instrument method (B method). This section applies to acetylene black.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 3782 acetylene black GB/T 8170 Numerical Rounding Rules and Representation and Determination of Limit Values GB/T 12804 laboratory glass instrument cylinder

3 Principle

A measuring cylinder equipped with a certain amount of carbon black sample is subjected to a vertical free fall from a certain height, and is repeatedly dropped until the carbon black sample body The ratio of the volume of the sample after the tapping to the mass of the sample is the apparent specific volume of the carbon black sample.

4 instruments

4.1 Analytical balance with a resolution of 1 mg. 4.2 With a measuring cylinder, the capacity is 50cm3, the graduation value is 1cm3, GB/T 12804. 4.3 Rubber sheet, thickness about 6mm, Shore A hardness (ShoreA). 70~80. 4.4 Vibrating Densitometer, the vibration frequency of the double station is up to 300r/min, and the vibration amplitude is up to 15mm, as shown in Figure 1. ......

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