GB/T 27797.2-2011 English PDF

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GB/T 27797.2-2011: Fibre-reinforced plastics -- Methods of producing test plates -- Part 2: Contact and spray-up moulding
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 27797.2-2011	194	Add to Cart	3 days	Fibre-reinforced plastics -- Methods of producing test plates -- Part 2: Contact and spray-up 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 27797.2-2011 (GB/T27797.2-2011)
Description (Translated English): Fibre-reinforced plastics -- Methods of producing test plates -- Part 2: Contact and spray-up moulding
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Q23
Classification of International Standard: 83.120
Word Count Estimation: 10,150
Date of Issue: 2011-12-30
Date of Implementation: 2012-08-01
Quoted Standard: ISO 1172; ISO 1268-1
Adopted Standard: ISO 1268-2-2001, 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 the contact and preparation reinforced plastics injection molding method of test plates. This section applies to glass fiber reinforced materials. This section and GB/T 27797. 1 used together.

GB/T 27797.2-2011: Fibre-reinforced plastics -- Methods of producing test plates -- Part 2: Contact and spray-up 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 Methods of producing test plates Part 2. Contact and spray-up moulding ICS 83.120 Q23 National Standards of People's Republic of China Reinforced plastics test plates Preparation Part 2. Contact and injection molding Part 2. Contactandspray-upmoulding (ISO 1268-2.2001, 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 227,797. This section drafted in accordance with GB/T 1.1-2009 given rules. This section uses the translation method identical with ISO 1268-2.2001 (E) "fiber reinforced plastics test plates preparation methods - Part 2. Contacts and injection molding. " Consistency correspondence between this part of international documents and normative references of our files are as follows. --- 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; --- 4.1,4.2,6.2,7.2,9.3 in Canada and Chapter 10, 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., Changzhou Tianma Group Co., Ltd., China North Industries Group fifty-three graduate School. The main drafters of this section. Zhen Ning company, Xuan Weidong, Zheng will protect, Mayu Jing, Zhang Liping. Reinforced plastics test plates Preparation Part 2. Contact and injection molding

1 Scope

This section GB/T 27797 specifies the test board contacts and reinforced plastics injection molding method of preparation. This section only applies to glass fiber reinforced materials. 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 Textile glass fiber reinforced plastic prepreg, molding compounds and laminates glass fibers and inorganic mineral filler content Burning Determination Act (Textile-glass-reinforcedplastics-Prepregs, mouldingcompoundsandlaminates- Determinationofthetextile-glassandmineralfilercontent-Calcinationmethods) ISO 1268-1 fiber reinforced plastics test plates preparation methods - Part 1. General (Fibre-reinforcedplastics- Methodsofproducingtestplates-Part 1. Generalconditions) Health and safety See ISO 1268-1. Principle 4 4.1 molding contacts 4.1.1 enhancement layer (e.g. 5.1 above) is placed on a rigid plate, a liquid thermosetting resin impregnated artificial. Resin suppliers should be solid recommendation Completed within the period of the laminate, the resin in the air to minimize unnecessary exposure. With a hand roller compacted fibers and resins. 4.1.2 This method is applicable to any thermosetting resin curing temperature and pressure. 4.2 injection molding 4.2.1 machine with chopped glass fiber roving short cut to a predetermined length, and mixed with the resin spray gun discharged. This method is applicable Unsaturated polyester resin. 4.2.2 glass fiber and resin is sprayed onto a rigid plate or die, with a hand roller compaction.

5 material

5.1 molding contacts 5.1.1 Reinforcements The same to cut to size and test panels, mark the direction of latitude and longitude lines, or a preferred direction. Suitable materials include chopped strand mat (containing adhesive ......

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