|
US$299.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 24148.7-2014: Plastics -- Unsaturated polyester resins -- Part 7: Measurement of gel time at ambient temperature
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 24148.7-2014 | English | 299 |
Add to Cart
|
3 days [Need to translate]
|
Plastics -- Unsaturated polyester resins -- Part 7: Measurement of gel time at ambient temperature
| Valid |
GB/T 24148.7-2014
|
PDF similar to GB/T 24148.7-2014
Basic data | Standard ID | GB/T 24148.7-2014 (GB/T24148.7-2014) | | Description (Translated English) | Plastics -- Unsaturated polyester resins -- Part 7: Measurement of gel time at ambient temperature | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | G31 | | Classification of International Standard | 83.080 | | Word Count Estimation | 13,169 | | Date of Issue | 7/8/2014 | | Date of Implementation | 12/1/2014 | | Quoted Standard | GB/T 2035-2008; ISO 4619-1998; ISO 15038-1999 | | Adopted Standard | ISO 2535-2001, MOD | | Regulation (derived from) | 2014 National Standards Bulletin No. 18 | | 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 for the determination of unsaturated polyester resin gel time at room temperature, the measured temperature range is 18 �� ~ 30 ��. Recommended temperature is 25 ��. This standard applies to liquid unsaturated polyester res | GB/T 24148.7-2014: Plastics -- Unsaturated polyester resins -- Part 7: Measurement of gel time at ambient temperature
---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 resins Part 7. Measurement of gel time at ambient tmperature
ICS 83.080
G31
National Standards of People's Republic of China
Plastic unsaturated polyester resins (UP-R)
Determination of the gel time at room temperature. Part 7
Part 7. Measurementofgeltimeatambienttemperature
(ISO 2535.2001, Plastics-Unsaturatedpolyesterresins-
Measurementofgeltimeatambienttemperature, MOD)
Issued on. 2014-07-08
2014-12-01 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 room temperature;
--- Part 8. platinum - cobalt colorimetric determination of color;
--- Part 9. Total volume shrinkage rate determination.
This section GB/T 24148 Part 7.
This section drafted in accordance with GB/T 1.1-2009 given rules.
This section uses redrafted law, modify the use of ISO 2535.2001 "under plastic gel time of unsaturated polyester resins at room temperature
Determination "(in English).
This part of ISO 2535.2001 technical differences exist compared to the terms of these differences has been involved through its outer margin bits
Opposing vertical single line (|) were marked.
This part of ISO 2535.2001 Main technical differences and the reasons are as follows.
--- Terms and definitions added at room temperature gel time two states described (see 3.1); Because this part of the increase of pole climbing method, the manual method
Two test methods;
--- Principle adds climbing pole method, manually and French gel time detector (see Chapter 4); because these two test methods in our industry
Inner also commonly used;
--- Procedure to do a more detailed description (see Chapter 7);
--- The "Normative references" listed international standards with the corresponding national standards equivalent to a chapter of the document in place;
--- The ISO precision to this section in Appendix C;
--- Added Appendix D of this standard reg number and ISO 2535.2001 Number of control clauses.
For ease of use, this section made the following editorial changes.
--- To the "international standards" be replaced by "this part" to "ISO 2535 this standard" to "GB/T 24148 this part 'or
"This part of the";
--- Remove the ISO 2535.2001 Foreword;
--- Increase the national standard foreword.
This part is proposed by the China Petroleum and Chemical Industry Association.
This part of the National Standardization Technical Committee of plastic thermosetting plastics Club (SAC/TC15/SC11) centralized.
This section is responsible for drafting. Zhejiang days and resin Limited.
Participated in the drafting of this section. Resin Co., Ltd. Tianjin All materials, synthetic resins State Quality Supervision and Inspection Center, Jiangsu Yabang Paint shares
Parts Limited, 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. Ma, I'm given more, Xiao Shuhong, Wangyong Gui Yao Yuan Province, Yang Meng, Ma Yue group, Liu, Xuan Weidong.
Plastic unsaturated polyester resins (UP-R)
Determination of the gel time at room temperature. Part 7
1 Scope
This section GB/T 24148 specifies the method for the determination of unsaturated polyester resin gel time at room temperature, the measured temperature range
Wai is 18 ℃ ~ 30 ℃. Recommended temperature is 25 ℃.
This section applies to liquid unsaturated polyester resins.
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.
GB/T 2035-2008 Plastics terms and definitions (ISO 472.1999, IDT)
ISO 4619.1998 Paints and varnishes desiccant (Driersforpaintsandvarnishes)
ISO 15038. Determination of organic polyester crosslinking agent active oxygen content of 1999 unsaturated polyester thermosetting plastic material (Plas-
tics-Organic-perestercrosslinkingagentsforunsaturated-polyesterthermosettingmaterials-Deter-
minationofactive-oxygencontent)
3 Terms and Definitions
GB/T 2035-2008 and as defined in the following terms and definitions apply to this document.
3.1
Room temperature gel time geltimeatambienttemperature
After the initiator agent added to the resin viscosity reaches 50Pa · s, after the initiator may be added to the resin sample begins to rise along the glass rod (pole climbing), cited
Time after drawing state when the initiator is added to the resin.
Principle 4
Measurement time is the room temperature (18 ℃ ~ 30 ℃), unsaturated polyester resin (containing accelerator, initiator) viscosity reaches 50Pa · s (as
Gel time); after the initiator was added to the resin sample begins to rise along the glass rod (pole-climbing) time; initiator agent added to the resin sample after appearing to pull
Time silk state.
Test methods are as follows.
Method A1. using an automatic release mechanism (see Appendix A), a glass rod is rotated in a test tube containing resin mixture, when the viscosity of the resin
Reaches 50Pa · s, the glass rod will automatically stop rotating.
Method A2. automatic release means is also used, except that the resin mixture was placed in a beaker.
Method B1. continuous measuring device (see Appendix B), equipped with a glass rod tube resin mixture back and forth oscillation level, the viscosity will
It is continuously measured viscosity corresponding period of continuous segment.
Method B2. continuous measurement apparatus is also used, except that the resin mixture was placed in a beaker.
Method C. Determination Using a blender, rotary glass rod in a beaker containing a mixture of the resin, the specimen started to rise along the glass rod (pole climbing)
Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 24148.7-2014_English be delivered?Answer: Upon your order, we will start to translate GB/T 24148.7-2014_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 24148.7-2014_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 24148.7-2014_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.
|