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GB/T 36532-2018 English PDF

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US$224.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 36532-2018: Fibre-reinforced plastics -- Thermosetting moulding compounds and prepregs -- Determination of cure characteristics
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 36532-2018	224	Add to Cart	3 days	Fibre-reinforced plastics -- Thermosetting moulding compounds and prepregs -- Determination of cure characteristics	Valid

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Basic data

Standard ID: GB/T 36532-2018 (GB/T36532-2018)
Description (Translated English): Fibre-reinforced plastics -- Thermosetting moulding compounds and prepregs -- Determination of cure characteristics
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Q23
Classification of International Standard: 83.120
Word Count Estimation: 12,151
Date of Issue: 2018-07-13
Date of Implementation: 2019-06-01
Quoted Standard: ISO 472-1988; ISO 8605-1989; ISO 8606-1990
Adopted Standard: ISO 12114-1997, IDT
Regulation (derived from): National Standard Announcement No. 10 of 2018
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration
Summary: This standard specifies two methods for determining the curing properties of fiber reinforced thermosetting molding compounds and prepregs. The characteristic parameters to be measured are as follows: 1. The heat generated by the exothermic reaction; 2. The thermal expansion of the molding compound with an increase in temperature; 3. The shrinkage caused by the curing reaction. The method is applicable to a molding compound composed of a thermosetting resin and a reinforcing fiber, and is mainly applied to an unsaturated polyester resin molding compound. Method 1: A simple method for determining the reactivity of a thermosetting molding compound. This method is only used to determine the reaction characteristics and stability of the molding compound matrix, and the stability affects the storage period of the molding compound. Method 2: The physical properties of the molding compound under simulated molding conditions can be obtained, but more complicated equipment and longer test time are required. The prepared molded test piece can be used for more performance tests.

GB/T 36532-2018: Fibre-reinforced plastics -- Thermosetting moulding compounds and prepregs -- Determination of cure characteristics

---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.
Fibre-reinforced plastics. Thermosetting moulding compounds and prepregs. Determination of cure characteristics ICS 83.120 Q23 National Standards of People's Republic of China Fiber reinforced plastic thermoset molding compound and prepreg Determination of curing characteristics (ISO 12114.1997, IDT) Published on.2018-07-13 2019-06-01 implementation State market supervision and administration China National Standardization Administration issued

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard uses the translation method equivalent to ISO 12114.1997 "Fiber reinforced plastic thermosetting molding compound and prepreg curing characteristics Determination". The documents of our country that have a consistent correspondence with the international documents referenced in this standard are as follows. ---GB/T 2035-2008 Plastic terminology and its definition (ISO 472.1999, IDT). This standard has made the following editorial changes. ---Used a different unit of measurement system, the unit is converted from Bar to MPa, and centimeters is converted to millimeters. This standard was proposed by the China Building Materials Federation. This standard is under the jurisdiction of the National Fiber Reinforced Plastics Standardization Technical Committee (SAC/TC39). This standard was drafted. Beijing FRP Research and Design Institute Co., Ltd. The main drafters of this standard. Yang Jiebiao, Zhao Guangfu, Yang Dexu, Xu Kang, Wang Qiwei. Fiber reinforced plastic thermoset molding compound and prepreg Determination of curing characteristics

1 Scope

This standard specifies two methods for determining the curing properties of fiber reinforced thermosetting molding compounds and prepregs. Characteristic parameters to be measured as follows. --- The heat generated by the exothermic reaction; --- Thermal expansion of the molding compound with increasing temperature; --- Shrinkage caused by the curing reaction. The method is applicable to a molding compound composed of a thermosetting resin and a reinforcing fiber, and is mainly applied to an unsaturated polyester resin molding compound. Method 1. A simple method for determining the reactivity of a thermosetting molding compound. This method is only used to determine the reaction characteristics of the molding compound matrix. And stability, stability affects the storage period of the molding compound. Method 2. The physical properties of the molding compound under simulated molding conditions can be obtained, but more complicated equipment and longer test time are required. between. The prepared molded test piece can be used for more performance tests.

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. ISO 472.1988 Plastic Term (Plastics-Vocabulary) ISO 8605.1989 Textile Glass Fiber Reinforced Plastic Sheet Molding Compound (SMC) Fundamental Specification [Textileglass reinforcedplastics-Sheetmouldingcompound(SMC)-Basisforaspecification] ISO 8606.1990 Plastic premixed bulk molding compound (BMC) and thickener-free bulk molding compound (DMC) basic gauge [Plastics-Prepregs-Bulkmouldingcompound(BMC)anddoughmouldingcompound(DMC)- Basisforaspecification]

3 Terms and definitions

The following terms and definitions as defined in ISO 472, ISO 8605 and ISO 8606 apply to this document. 3.1 Reactive activity The maximum slope of the time-dependent temperature profile of the thermoset material during curing, in degrees Celsius per second (°C/s). 3.2 Curing characteristics curingbehaviour The characteristic parameters obtained by molding a thermosetting material under normal molding conditions can be expressed by the following parameters. --- curing time; --- Thermal expansion; --- shrinkage caused by the curing reaction; --- Net shrinkage (reaction shrinkage minus thermal expansion). The size of these parameter values depends on the molding conditions actually employed. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 36532-2018_English be delivered?

Answer: Upon your order, we will start to translate GB/T 36532-2018_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 36532-2018_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 36532-2018_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.