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GB 21555-2008: Fireworks and firecrackers -- Double-bang firecracker (product of aerial)
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Fireworks and firecrackers -- Double-bang firecracker (product of aerial)
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GB 21555-2008
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Basic data | Standard ID | GB 21555-2008 (GB21555-2008) | | Description (Translated English) | Fireworks and firecrackers -- Double-bang firecracker (product of aerial) | | Sector / Industry | National Standard | | Classification of Chinese Standard | Y88 | | Classification of International Standard | 71.100.30 | | Word Count Estimation | 11,145 | | Date of Issue | 2008-03-24 | | Date of Implementation | 2009-03-01 | | Quoted Standard | QB/T 1942; GB 10631-2004; GB/T 10632-2004; SN 0306.4-2006 | | Regulation (derived from) | Announcement of Newly Approved National Standards No. 5, 2008 (No. 118 overall)GB commissioned work two [ 2009 ] No. 20 | | 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 Chinese standard specifies the nib terms and definitions, classification, technical requirements, test methods, inspection rules and signs, packaging, transportation and storage requirements. This standard applies to double-click. | GB 21555-2008: Fireworks and firecrackers -- Double-bang firecracker (product of aerial)---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.
Fireworks and firecrackers.Double-bang firecracker (product of aerial)
ICS 71.100.30
Y88
National Standards of People's Republic of China
Fireworks Push (off products)
Posted 2008-03-24
2009-03-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
Chapter 5 of this standard are mandatory, others are recommended.
The standard is based on market demand and the fireworks industry production and development formulated.
Appendix A of this standard is a normative appendix.
The standard proposed by China National Light Industry Council.
This standard by the National Standardization Technical Committee of fireworks.
This standard was drafted. township enterprises in Jiangsu Province fireworks safety Quality Supervision and Testing Center, Hebei Lixian Demao fireworks factory, Inner Mongolia
Aohanqi Demao fireworks factory Gaoyou City, Jiangsu Province Experimental fireworks Ltd. Gaoyou City, Jiangsu Province sent to the bridge Fireworks Co., Ltd., Jiangsu
Dongfeng fireworks factory Gaoyou City, Jiangsu Province, Gaoyou City, Jiangsu Province Hengfeng fireworks factory in Jiangsu Province, Gaoyou City, our fireworks factory.
The main drafters of this standard. Du Yuan Jin Luan Liqun, Li Xuezhe, yellow tea, Zhang Jiyun, Lizeng Yi, Li Yajun.
Fireworks Push (off products)
1 Scope
This standard specifies Push (off products) terms and definitions, classifications, technical requirements, test methods, inspection rules and signs, packaging,
Transportation and storage requirements.
This standard applies to Push (off products).
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
GB 10631-2004 Fireworks Safety and Quality
GB/T 10632-2004 fireworks sampling inspection rules
Determination of QB/T 1942 firecrackers sound level value
Part 4 SN0306.4-2006 export fireworks inspection rules. safety inspection
3 Terms and Definitions
GB 10631-2004 established and the following terms and definitions apply to this standard.
3.1
Shape of a cylinder, respectively, within the body of propellant loading, explosive powder, the body produces after ignition off sound emission generated second sound in the air
Bao Xiang (may be associated with other effects) products.
3.2
The upper part of the mouth of explosive powder cartridge seal.
3.3
The lower portion of the propellant tube mouth sealed.
3.4
When detonated emission discharge drugs, and explosive powder does not ignite; or propellant powder does not ignite, leads directly to detonate explosive powder.
3.5
When the discharge, instant after twice being sonic boom cylinder burst phenomenon.
3.6
The explosion occurred in the second 10m or less loud explosion from the ground phenomenon.
Category 4
Push into C grade, B grade and two levels I, II in two models, see Table 1.
Table 1 dose and the cylinder size
Level Model
The maximum loading dose/g cartridge size/mm
A single dose of propellant explosive powder outer diameter
Wall thickness
length
A C 8.0 5.0 3.0 28 35 2.5 145 ~ 155 ~
B = 15.0 9.0 6.0 38 45 3.0 195 ~ 205 ~
5 Technical requirements
5.1 Appearance
Shall comply with GB 10631-2004 5.3 requirements.
5.2 parts
5.2.1 fuse
5.2.1.1 Fuse surface dry and clean, no leaks or damage, lead-free air, no mildew.
5.2.1.2 fuse should be 3s ~ 6s ignite the body.
5.2.1.3 fuse should be installed firm should be able to lift the weight of the product itself, and continued 60s do not fall off.
5.2.1.4 fuse mounting portion and discharge instructions should be considered in the same plane, the ignition point clearly marked.
5.2.2 cylinder
5.2.2.1 cylinder paperboard material is appropriate to prohibit the use of grass paperboard, metal and plastic components.
5.2.2.2 cylinder should firmly stick tight, under normal conditions of handling, transportation, storage process does not crack, square tube.
5.2.2.3 cylinder diameter, wall thickness and length shall conform to the requirements of Table 1.
5.2.2.4 should be flat bottom surface of the cylinder, the cylinder upright on the ground shall be dumped.
5.2.3 top and bottom seals
5.2.3.1 top and bottom seals should manually nailhead, dial bottom craft, head, back cover should be used density of less than 0.75g/cm3 or light goods Yi
Broken goods, not prohibit the use of spread of hard goods.
5.2.3.2 head, the back cover to close, must not leak.
5.3 Powder type, powder quantity and safety performance
5.3.1 Powder type
Shall comply with the requirements of GB 10631-2004 in 5.5.1.
5.3.2 Dose
5.3.2.1 Push the single largest amount of charge, propellant and explosive powder maximum dose should be in accordance with Table 1.
5.3.2.2 single product allows maximum loading dose of 10g or more deviation of ± 10%, at 10g, the permissible deviation
± 15%.
5.3.3 Safety Performance
Shall comply with the requirements of GB 10631-2004 in 5.5.3.
5.4 Launch performance
5.4.1 Launch height
5.4.1.1 C emission level equal to a height greater than 20m.
5.4.1.2 B emission level equal to a height greater than 30m.
5.4.1.3 may not appear when the discharge channeling, low explosions, fire and single ring (propellant powder does not ignite, leads directly to detonate explosive powder).
5.4.2 Launch deflection angle
Launch Launch deflection angle less than equal to 22.5 °.
5.4.3 sound level
Baoxiang maximum sound level value is less than equal to 140dB.
6 Test methods
6.1 Appearance
By visual inspection method.
6.2 parts
6.2.1 fuse
6.2.1.1 Fuse Appearance. use visual estimation method.
6.2.1.2 Fuse ignition test of time. two with stopwatch measuring accuracy no less than 0.1s ignition time, the mean value, using
Rounded off to the nearest 0.1s. Two stopwatch readings does not exceed 0.5s, the test result is valid.
6.2.1.3 Fuse durability test. using weights or spring balance to fuse applied pulling force of 100g 60s, leads should not fall off.
6.2.1.4 Fuse installation site. by visual inspection method.
6.2.2 cylinder
6.2.2.1 cylinder material. use visual estimation method.
6.2.2.2 cylinder firmness. the cylinder from a height of 50cm to 3cm thick hardwood board to fall freely observe whether the barrel cracking,
Loose tube, each sample in triplicate.
6.2.2.3 cylinder size
6.2.2.3.1 length check. Measuring compliance with metrological requirements of measuring instruments directly to the different direction of the product three times and averaged.
6.2.2.3.2 wall thickness test. direct position measurement with different measuring instruments meet the measurement requirements of the product three times and averaged.
6.2.2.3.3 outer diameter of the test. in line with the metrological requirements of measuring instruments directly to the product in different places and in different directions three times,
Averaged.
6.2.3 top and bottom seals
6.2.3.1 anatomical products, remove the head, back cover material were measured head, back height and diameter were Calculate the volume of head, back cover material,
With a sense of balance were weighed and the amount of one-thousandth of the quality of head, back cover material, can be measured head, back cover material density.
6.2.3.2 Hold the body is horizontal, from a height of 50cm to 3cm thick hardwood board free fall observed head, the back cover
No spread, leaks or repeated three times for each sample.
6.3 Powder type, powder quantity and safety performance
6.3.1 Powder type
Executed in SN0306.4-2006 Appendix A requirements.
6.3.2 Dose
SN0306.4-2006 execution by the provisions of 5.3.
6.3.3 Safety Performance
Performed in GB 10631-2004 in 6.4 requirements.
6.4 Launch performance
6.4.1 Launch height and launch skew angles
Performed in GB 10631-2004 in 6.5.2,6.5.3 regulations.
6.4.2 sound level
Press QB/T 1942 regulations.
7 Inspection rules
7.1 Batches
In the same materials, the same conditions, the same production line and shift production of varieties, specifications of the same product batch.
7.2 factory inspection
7.2.1 factory inspection sampling method. execution by GB/T 10632 regulations.
7.2.2 factory inspection items. logo, packaging, appearance, components, dosage, discharge performance.
7.2.3 Each batch of products before the factory by the manufacturer should be the quality inspection departments according to the method specified in this standard inspection, and issue a certificate.
7.3 Type inspection
One of the following conditions should be type tested.
a) pre-production of new products;
b) discontinued six months or more reproduction;
c) raw materials, process significant changes;
d) supervision and inspection department when requested.
7.3.1 Type test sampling method. execution by GB/T 10632-2004 provisions of 4.1.5.
7.3.2 Type inspection testing items. the technical requirements of this standard in all projects.
7.4 Acceptance rules
According to GB/T 10632 regulations.
7.5 Result judgment
Performed in GB/T 10632-2004 of 4.4, 4.5 and Appendix A of this standard requirements.
8 signs, packaging, transportation and storage
8.1 mark
Product marking shall indicate the amount of the maximum charge level model, the warnings should indicate the discharge of non-handheld, non-horizontally, diagonal strictly prohibited, prohibited
Upside down, discharge instructions must be perpendicular to the ground hard, flat and stable stand when the discharge should indicate the ground. Press the rest of GB 10631-2004
5.1 regulations.
8.2 Packaging
Performed in GB 10631-2004 in 5.2 requirements.
8.3 Transport
Performed in GB 10631-2004 in 8.1 requirements.
8.4 Storage
Performed in GB 10631-2004 in 8.2 requirements.
Appendix A
(Normative)
Push defect category
Push defect types are shown in Table A. 1.
Table A. 1 Push defect category
No. Test Item Technical requirements, test methods defect defect category name
1 Appearance 5.1 6.1
Heavy mildew, severely deformed body, cracking a1
Mild body deformation, surface floating drug b1
Pollution, mild mildew, exposed outcrop feet, Lu Bai c2
2 Flag 8.1
Press GB 10631-
2004 6.1 Executive
Products (packaging) no signs, no discharge instructions a2
Flag missing, flag content is not clear, cover damage b1
3 Packaging 8.2
Press GB 10631-
2004 6.1 Executive
Inside and outside the packaging does not meet the requirements of b1
4 fuse 5.2.1 6.2.1
Moldy, damaged, empty lead, Oujie
b1
Not securely installed, the installation position is not correct, no obvious signs of the ignition c1
5 cylinder 5.2.2 6.2.2
Use grass paperboard, plastic materials and metal accessories b1
Cracking, the wall thickness is less than the requirements of Table 1 a1
Diameter, length beyond the requirements of Table 1 b1
The bottom of the barrel is not flat b2
6 head, back 5.2.3 6.2.3
Use of non-dispersed hard goods a1
Head, the back cover is not tight, leak drug a2
7 kinds of drugs, dose
5.3.1
5.3.2
6.3.1
6.3.2
Use of illegal drugs, the total amount of drugs, propellant, explosive powder beyond the requirements of Table 1 a1
Dose tolerance c2
8 safety 5.3.3 6.3.3 Safety performance does not meet the requirements of GB 10631-2004 5.5.3 b1
9 5.4 6.4 Launch performance
Channeling, low explosions, fire, single ring (propellant powder does not ignite, leads directly to detonate
Explosive powder), sound level > 140dB
a1
Launching height, launching the skew angle unqualified, single ring (propellant detonated, and
Explosive powder does not ignite)
b1
Quenching cited c1
GB 21555-2008 "Fireworks Push (off products)."
National Standard No. 1 amendments
The amendments approved by the National Standardization Management Committee on August 31, 2009, with effect from September 1, 2009 implementation.
(1) Introduction "in Chapter 5 of this standard are mandatory, the rest are recommended terms" with "all the technical contents of this standard is a strong
Compulsory. "
(2) "in Table 1 and the cylinder size dose"
level
The maximum loading dose/g cartridge size/mm
Propellant explosive powder single dose of the drug outside diameter wall thickness length ≥
C 8.0 5.0 3.0 28 ~ 35 2.5 145 ~ 155
B 15.0 9.0 6.0 38 ~ 45 3.0 195 ~ 205
To "Table 1 dose and the cylinder size"
Level maximum loading dose/g outer diameter/mm Length/mm
C 9.0 25 ~ 30 128 ± 3
B 14.0 31 ~ 36 150 ± 4
(3) 5.2.1.3 "fuse securely installed, the product should be able to lift its own weight, and continued 60s do not fall off" to "fuse should be installed
firm".
(4) 5.4.1.3 "can not occur when the discharge channeling, low explosions, fire and single ring (propellant powder does not ignite, leads directly to detonate explosive powder)" is replaced
"Not when the discharge channeling, low explosions, fire and single ring."
(5) 8.1 "product logo should indicate the level of the maximum amount of charge model" to "product logo should indicate the level of drug content."
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