|
US$129.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 31957-2015: Test method of chemical resistance of glass fibers
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 31957-2015 | English | 129 |
Add to Cart
|
3 days [Need to translate]
|
Test method of chemical resistance of glass fibers
| Valid |
GB/T 31957-2015
|
PDF similar to GB/T 31957-2015
Basic data | Standard ID | GB/T 31957-2015 (GB/T31957-2015) | | Description (Translated English) | Test method of chemical resistance of glass fibers | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | Q36 | | Classification of International Standard | 59.100.10 | | Word Count Estimation | 6,637 | | Date of Issue | 2015-09-11 | | Date of Implementation | 2016-08-01 | | Quoted Standard | GB/T 1033.1; GB/T 6682; GB/T 7690.5; GB/T 11415 | | Regulation (derived from) | National Standard Announcement 2015 No.25 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This Standard specifies the method of analysis of two glass fiber chemical resistance: Method A: the mass loss rate method; Method B | GB/T 31957-2015: Test method of chemical resistance of glass fibers---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.
Test method of chemical resistance of glass fibers
ICS 59.100.10
Q36
National Standards of People's Republic of China
Media analysis fiberglass chemical resistance
Issued on. 2015-09-11
2016-08-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
The standard proposed by China Building Materials Federation.
This standard by the National Standardization Technical Committee fiberglass (SAC/TC245) centralized.
This standard was drafted. National Glass Fiber Product Quality Supervision and Inspection Center, Changzhou Tianma Group Co., Jushi Group Co.
Division of Nanjing Fiberglass Research and Design Institute Limited.
The main drafters of this standard. Li Yong, Zhou Qin, Wang Yumei, Liu Bing, Yang Yong, Wang Ling, Li Zhipeng.
Media analysis fiberglass chemical resistance
WARNING --- This standard is not intended to address all the safety problems associated with the use of the product. Standard responsibility of the user to establish appropriate safety
Full and health guidelines, and prior to use to determine whether to apply to certain regulations limit entries.
1 Scope
This standard specifies two methods of analyzing chemical resistance of glass fiber.
--- Method A. the mass loss rate method;
--- Method B. Method of mass loss per unit surface area.
This standard applies to the analysis alkali, alkali, alkali-resistant, high-strength glass fiber and other chemical resistance properties, and other fibers can also refer to use.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
1033.1 Non-plastic foam density measurement GB/T Part 1. Immersion method, liquid pyknometer method and titration method
Laboratory use specifications and test methods GB/T 6682 Analysis
GB/T 7690.5 Test method for yarns Part 5. Determination of fiber diameter glass
GB/T 11415 Laboratory sintered (porous) filter pore size, grade and grades
3 General
3.1 Reagent water
This standard reagents used were of analytical grade and above, are in line with GB/T 6682 and two water above water requirements.
3.2 the number of trials
By the same operator in the same test measured less than 2 times, the arithmetic mean as the test result.
3.3 Substance constant weight
Before and after two poor quality should not exceed 0.2mg.
4 Reagents
4.1 Sodium hydroxide, solid.
4.2 acetone.
4.3 ethanol.
Hydrochloric acid 4.4, ρ = 1.19g/mL.
Sulfuric acid 4.5, ρ = 1.83g/mL.
4.6 HCl wash, 2g/L. Weigh 5.4g ~ 5.9g of hydrochloric acid (4.4), diluted with water to 1L.
Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 31957-2015_English be delivered?Answer: Upon your order, we will start to translate GB/T 31957-2015_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time. Question 2: Can I share the purchased PDF of GB/T 31957-2015_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 31957-2015_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet. Question 3: Does the price include tax/VAT?Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. If you need your currency to be printed on the invoice, please write an email to [email protected]. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.
|