GB/T 27797.3-2011 English PDF

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GB/T 27797.3-2011: Fibre-reinforced plastics -- Methods of producing test plates -- Part 3: Wet compression moulding
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 27797.3-2011	134	Add to Cart	3 days	Fibre-reinforced plastics -- Methods of producing test plates -- Part 3: Wet compression moulding	Valid

Similar standards

GB/T 40388   GB/T 39491   GB/T 36262   GB/T 27797.4   GB/T 27797.11   GB/T 27797.1   

Basic data

Standard ID: GB/T 27797.3-2011 (GB/T27797.3-2011)
Description (Translated English): Fibre-reinforced plastics -- Methods of producing test plates -- Part 3: Wet compression moulding
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Q23
Classification of International Standard: 83.120
Word Count Estimation: 7,753
Date of Issue: 2011-12-30
Date of Implementation: 2012-08-01
Quoted Standard: ISO 1172-1996; ISO 1183-1; ISO 1183-2; ISO 1183-3; ISO 1268-1; ISO 2555
Adopted Standard: ISO 1268-3-2000, IDT
Regulation (derived from): Announcement of Newly Approved National Standards No. 23 of 2011
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 test plates prepared by wet molding method. Prepared by this method can achieve reproducibility test plate, so that different times and different locations of the test plate prepared possible to compare the performance. Prepared from the wet test plate molding cut sample for the determination of the performance of the reinforcing material. Reinforcements can use felt or fabric, the need for the following properties: Water absorption (ISO 62), flexural strength and flexural modulus (ISO 178), impact resistance (Charpy) (ISO 179), tensile strength, tensile modulus volume and elongation at break (ISO 527-4). GB/T 27797 and this part of GB/T 27797. 1 used together.

GB/T 27797.3-2011: Fibre-reinforced plastics -- Methods of producing test plates -- Part 3: Wet compression moulding

---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 Methodsof producing test plates Part 3. Wet compression moulding ICS 83.120 Q23 National Standards of People's Republic of China Reinforced plastics test plates Preparation Part 3. Wet molding Part 3. Wetcompressionmoulding (ISO 1268-3.2000, IDT) Issued on. 2011-12-30 2012-08-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

GB/T 27797 "fiber reinforced plastics test plates Preparation" is divided into 11 parts. --- Part 1. General; --- Part 2. the contact and injection molding; --- Part 3. wet molding; --- Part 4. prepreg molding; --- Part 5. Filament winding; --- Part 6. Pultrusion molding; --- Part 7. resin transfer molding; Part --- Article 8. SMC and BMC molding; Part --- Article 9. GMT/STC molding; --- Part 10. BMC and other long-fiber molding plastic injection molding and general principles common specimen molding; --- Part 11. BMC and other long-fiber molding plastic injection molding small square pieces. This section GB/T Part of 327,797. This section drafted in accordance with GB/T 1.1-2009 given rules. This section uses the translation method identical with ISO 1268-3.2000 (E) "fiber reinforced plastics test plates preparation methods - Part 3. Wet molding. " Consistency correspondence between this part of international documents and normative references of our files are as follows. --- GB/T 1033 (all parts), non-plastic foam density measurement [ISO 1183 (all parts)]; --- Plastic resin content test methods (ISO 1172.1996, MOD) GB/T 2577-2005 glass fiber reinforced; --- GB/T 27797.1 fiber reinforced plastic plate test preparation methods - Part 1. General (ISO 1268-1.2001, IDT). This part made the following editorial changes. --- Some of the statements apply to international standards to apply to our standard formulation; --- In addition 5.1,5.2,8.2 article number. This part is proposed by the China Building Materials Federation. The fiber-reinforced plastic part by the National Standardization Technical Committee (SAC/TC39) centralized. This section is drafted. Beijing glass Composite Material Co., Ltd., China North Industries Group fifty-three Institute, Changzhou Tianma Group has Limited. The main drafters of this section. Jane even Ning, Bao Zheng will, Xuan Weidong, Mayu Jing, Zhang Liping. Reinforced plastics test plates Preparation Part 3. Wet molding

1 Scope

This section GB/T 27797 specifies the preparation of test plates wet molding method. Test panels prepared by the process reproducibility can be realized, So at different times, different places performance comparison test plate was prepared possible. From the test plate prepared by molding wet cutting samples can be used to determine the reinforcing properties of materials. Reinforcing materials can be used felts Or fabric, you need the following properties. --- Water absorption (ISO 62); --- Bending strength and flexural modulus (ISO 178); --- Impact properties (simply supported beam) (ISO 179); --- Tensile strength, tensile modulus and elongation at break (ISO 527-4). GB/T 27797 and this part of GB/T 27797.1 used together.

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. ISO 1172.1996 Textile glass fiber reinforced plastic prepreg, molding compounds and laminates glass fibers and mineral fillers containing inorganic Determination of the amount of burning method (Textile-glass-reinforcedplastics-Prepregs, mouldingcompoundsandlaminates- Determinationofthetextile-glassandmineralfilercontent-Calcinationmethods) Determination of ISO 1183 (all parts), non-plastic foam density (Plastics-Methodsfordetermining thedensityofnon-celularplastics) ISO 1268-1 fiber reinforced plastics test plates preparation methods - Part 1. General (Fibre-reinforcedplastics- Methodsofproducingtestplates-Part 1. Generalconditions) ISO 2555 Plastics liquid resin emulsions or dispersions - Determination of apparent viscosity (Plastics- with Brookfield test method Resinsintheliquidstateorasemulsionsordispersion-Determinationofapparentviscositybythe blookfieldtestmethod) Health and safety See ISO 1268-1. Principle 4 Pressure exerted on the two flat mold, wet molding to prepare test plates. The lower die plate is fixed, the die plate can be pressed to the lower die plate. will Carpets and other textile reinforcing material or placement of the lower die plate at the top reinforcing material into the amount of resin, and then through the die plate of the lower mold plate Pressure, under pressure, the flow of the resin system in reinforcing material. The gap between the two templates can be adjusted, it is possible to adjust the reinforcing material Content material and resin. Test panels or high temperature cure can be cured at room temperature, curing temperature and curing time depend on the resin system used. ......

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