Path:
Home >
GB/T >
Page498 > GB/T 25260.2-2018
Price & Delivery
US$109.00 · In stock · Download in 9 secondsGB/T 25260.2-2018: Synthetic rubber latex -- Part 2: Carboxyl acrylonitrile-butadiene rubber latex (XNBRL)
Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See
step-by-step procedureStatus: Valid
| Std ID | Version | USD | Buy | Deliver [PDF] in | Title (Description) |
| GB/T 25260.2-2018 | English | 109 |
Add to Cart
|
3 days [Need to translate]
|
Synthetic rubber latex -- Part 2: Carboxyl acrylonitrile-butadiene rubber latex (XNBRL)
|
Click to Preview a similar PDF
Basic data
| Standard ID | GB/T 25260.2-2018 (GB/T25260.2-2018) |
| Description (Translated English) | Synthetic rubber latex -- Part 2: Carboxyl acrylonitrile-butadiene rubber latex (XNBRL) |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | G35 |
| Classification of International Standard | 83.060 |
| Word Count Estimation | 5,545 |
| Date of Issue | 2018-12-28 |
| Date of Implementation | 2019-11-01 |
| Quoted Standard | SH/T 1149; SH/T 1150-2011; SH/T 1151; SH/T 1152-2014; SH/T 1153-2011; SH/T 1154-2011; SH/T 1156-2014; SH/T 1503-2014; SH/T 1760-2007 |
| Regulation (derived from) | National Standard Announcement No. 17 of 2018 |
| Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration |
| Summary | This standard specifies the technical requirements, test methods, inspection rules, signs and accompanying documents, and packaging, transportation and storage of carboxylated nitrile latex (XNBRL). This standard is applicable to carboxylated nitrile latex prepared by emulsion polymerization using butadiene, acrylonitrile and unsaturated carboxylic acid as main monomers. |
GB/T 25260.2-2018: Synthetic rubber latex -- Part 2: Carboxyl acrylonitrile-butadiene rubber latex (XNBRL)
---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.
Synthetic rubber latex--Part 2. Carboxyl acrylonitrile--butadiene rubber latex (XNBRL)
ICS 83.060
G35
National Standards of People's Republic of China
Synthetic latex - Part 2. Carboxyl nitrile latex
(XNBRL)
Syntheticrubberlatex-Part 2. Carboxylacrylonitrile-butadienerubberlatex
(XNBRL)
Published on.2018-12-28
2019-11-01 implementation
State market supervision and administration
China National Standardization Administration issued
Foreword
GB/T 25260 "Synthetic Latex" is divided into three parts.
--- Part 1. Carboxyl styrene butadiene latex (XSBRL) 56C, 55B;
--- Part 2. carboxylated nitrile latex (XNBRL);
--- Part 3. Chloroprene latex.
This part is the second part of GB/T 25260.
This part is drafted in accordance with the rules given in GB/T 1.1-2009.
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 drafted by. Anqing Hualan Technology Co., Ltd., Zhenjiang Nandi Chemical Co., Ltd., China National Petroleum Corporation
Petrochemical Research Institute, Zhejiang Tianchen Rubber Industry Co., Ltd., Ningbo Shunze Rubber Co., Ltd., National Petrochemical Product Quality Supervision
Inspection Center (Anqing), Zhonghong Pulin (Beijing) Medical Products High-tech Research Institute Co., Ltd.
The main drafters of this section. Lu Wei, Xu Guoliang, Zhuang Fujin, Li Xiaoyin, Zhang Hongqiang, Zhang Zhaoqing, Wang Haiyan, Zhang Sen, Han Xiaofeng, Sang Shujun,
Ling Zhishui, Wang Guiyu, Ma Nan.
Synthetic latex - Part 2. Carboxyl nitrile latex
(XNBRL)
1 Scope
This part of GB/T 25260 specifies the technical requirements, test methods, inspection rules, marking and accompanying of carboxylated nitrile latex (XNBRL).
Line documents as well as packaging, transportation and storage.
This section applies to carboxylated nitrile latex prepared by emulsion polymerization using butadiene, acrylonitrile and unsaturated carboxylic acid as main monomers.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only the dated version applies to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
SH/T 1149 synthetic rubber latex sampling
SH/T 1150-2011 Determination of pH of synthetic rubber latex
Determination of high-speed mechanical stability of SH/T 1151 synthetic latex
SH/T 1152-2014 Determination of apparent viscosity of synthetic rubber latex
SH/T 1153-2011 Determination of coagulum content (sieving residue) of synthetic rubber latex
SH/T 1154-2011 Determination of total solid content of synthetic rubber latex
SH/T 1156-2014 Determination of surface tension of synthetic rubber latex
Determination of acrylonitrile content in nitrile latex by SH/T 1503-2014
SH/T 1760-2007 Determination of residual monomers and other organic components in synthetic rubber latex
Liquid injection method
3 Technical requirements
3.1 Appearance. XNBRL is a white emulsion with no foreign matter and visible agglomerates.
3.2 Technical indicators. The technical indicators of XNBRL should meet the requirements of Table 1, and be determined according to the test method given in Chapter 4.
Table 1 XNBRL technical indicators
project
Highly bound acrylonitrile high binding acrylonitrile in acrylonitrile
Excellent product, qualified product, superior product, qualified product, superior product, qualified product
Combined acrylonitrile content (mass fraction) /% ≥25.0~< 30.0 ≥30.0~< 35.0 ≥35.0~< 41.0
Total solid content (mass fraction) /% ≥ 42.0
Viscosity/(mPa · s) < 100
pH 7.5~9.0
Residual volatile organic content
(quality score) /%
≤0.003 ≤0.005 ≤0.003 ≤0.005 ≤0.003 ≤0.005
...
