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GB/T 24148.4-2009 English PDF

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US$279.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 24148.4-2009: Plastics -- Unsaturated polyester resin -- Part 4: Determination of viscosity
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 24148.4-2009	279	Add to Cart	3 days	Plastics -- Unsaturated polyester resin -- Part 4: Determination of viscosity	Valid

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GB/T 24128 GB/T 25277 GB/T 24396 GB/T 24148.8 GB/T 24148.9 GB/T 24148.7

Basic data

Standard ID: GB/T 24148.4-2009 (GB/T24148.4-2009)
Description (Translated English): Plastics -- Unsaturated polyester resin -- Part 4: Determination of viscosity
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G31
Classification of International Standard: 83.080.01
Word Count Estimation: 12,198
Date of Issue: 2009-06-15
Date of Implementation: 2010-02-01
Quoted Standard: GB/T 2918-1998; GB 3102.3-1993
Adopted Standard: ISO 3219-1993, MOD
Regulation (derived from): National Standard Approval Announcement 2009 No.8 (Total No.148)
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 unsaturated polyester resin viscosity measurement method. This section applies to the use of having a predetermined rotational viscometer shear rate measured liquid unsaturated polyester resin viscosity.

GB/T 24148.4-2009: Plastics -- Unsaturated polyester resin -- Part 4: Determination of viscosity

---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.
Plastics Unsaturated polyester resin Part 4. Determination of viscosity ICS 83.080.01 G31 National Standards of People's Republic of China Plastic unsaturated polyester resins (UP-R) Determination of viscosity. Part 4 (ISO 3219.1993, Plastics-Polymers/resinsintheliquidstateor viscometerwithdefinedshearrate, MOD) Posted 2009-06-15 2010-02-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

GB/T 24148 "plastic unsaturated polyester resins (UP-R)" is divided into the following nine sections. --- Part 1. Designation system; --- Part 2. Sample preparation and performance measurement; --- Part 3. Technical requirements; --- Part 4. Determination of viscosity; --- Part 5. Determination of solid content; --- Part 6. 130 ℃ reactivity was measured; --- Part 7. Determination of gel time at ambient temperature; --- Part 8. platinum-cobalt colorimetry color; --- Part 9. Total volume shrinkage rate determination. This section GB/T Section 424,148, modifications adopted ISO 3219.1993 "plastic liquid state or as emulsions or dispersions of poly Polymer/resin with defined shear rate rotary viscometer viscosity "(English version), listed in Appendix C of this part of the reg number and ISO 3219.1993 Number of reg table. This part made the following technical corrections. --- Range only for liquid unsaturated polyester resins (see Chapter 1); --- Procedure to do a more detailed description (see Chapter 7); --- Instead of the "Normative references" of international standards with the corresponding national standards listed chapter. For ease of use, this section made the following editorial changes. --- To the "international standards" be replaced by "this section", the "ISO 3219 in this section" to "GB/T 24148 in this section," or "headquarters Minute"; --- Remove the ISO 3219.1993 Foreword; --- Increase the national standard foreword; --- Use of decimal notation. "" Instead of the international standard decimal symbol "." This part of the Appendix A and Appendix B for the normative appendix, Appendix C is informative appendix. This part is proposed by the China Petroleum and Chemical Industry Association. This part of the National Standardization Technical Committee of plastic products and plastic resins General Methods Chapter (SAC/TC15/SC4) centralized. This section is responsible for drafting. Zhejiang Tianhe Resin Co., Ltd. Tianjin All material resin, synthetic resin National Quality Supervision and Inspection Test center. Participated in the drafting of this section. Guangdong Panyu Futian Chemical Co., Ltd., Jiangsu Yabang Paint Co., Ltd., East China University of Technology Huachang Polymer Co., Ltd., Jiangsu Fu Ling Chemical Co., Ltd., Changzhou Tianma Group Co., Ltd. The main drafters of this section. Peng liters Lizeng Min, Xiao Shuhong, Wang Xu Jiang, Wang Jiandong, Zhao Ping, Xin Zhimin, Hou Rui steel, Yang Chen, Zhu Rui, Xu Taiyun. Plastic unsaturated polyester resins (UP-R) Determination of viscosity. Part 4

1 Scope

This section GB/T 24148 specifies the unsaturated polyester resin viscosity measurement method. This section applies to the use of having a defined shear rate viscometer measured viscosity liquid unsaturated polyester resins.

2 Normative references

The following documents contain provisions which, through reference GB/T 24148 in this section constitute provisions of this section. For dated reference documents Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this section. GB/T 2918-1998 standard plastic sample conditioning and environmental tests (idtISO 291.1997) GB 3102.3-1993 mechanical quantity and unit (eqvISO 31-3.1992) Principle 3 With used with the specified characteristics of the viscometer according to the shear rate and shear stress measurements obtained viscosity liquid sample. (1) viscosity η is defined by the formula. η = γ (1) Where. --- viscosity [eta], in units of Pascal seconds (Pa · s); [tau] --- shear force unit Pascals (Pa); γ --- shear rate in second (s-1). According to the International System of Units (SI) unit of viscosity is Pascal seconds (Pa · s) 1Pa · s = 1N · s/m2 Note 1. Sign and GB 3102.3-1993 "Quantities and units of mechanics' agreement. Kwan called Newtonian liquids.

4 Instrument

4.1 rotational viscometer 4.1.1 Measuring System Measurement system shall include coaxial surfaces of two rigid symmetrical, during which the viscosity of the fluid into the test. Wherein a surface at a constant angular velocity Degree rotation, while the other surface remain stationary. Measurement system should be determined for each measurement of the shear rate. Torque measuring device shall be connected to a surface which can be measured so as to overcome the viscous resistance of the fluid torque required. Suitable for the coaxial cylinder measurement system and cone system board systems. Size measurement system shall meet the conditions specified in Appendix A and Annex B, which is designed to ensure that all types of measuring instruments and all common models The measurement area having a similar geometry. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 24148.4-2009_English be delivered?

Answer: Upon your order, we will start to translate GB/T 24148.4-2009_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 24148.4-2009_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 24148.4-2009_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+ countries

Question 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 Sales@ChineseStandard.net. 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.