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GB 32071-2015: [GB/T 32071-2015] Gelatinous nitroglycerine explosive
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GB 32071-2015English339 Add to Cart 3 days [Need to translate] [GB/T 32071-2015] Gelatinous nitroglycerine explosive Valid GB 32071-2015
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Basic data

Standard ID GB 32071-2015 (GB32071-2015)
Description (Translated English) [GB/T 32071-2015] Gelatinous nitroglycerine explosive
Sector / Industry National Standard
Classification of Chinese Standard G89
Classification of International Standard 71.100.30
Word Count Estimation 13,143
Date of Issue 2015-10-09
Date of Implementation 2016-07-01
Quoted Standard GB/T 2828.1-2012; GB/T 2829-2002; GB/T 9969; GB/T 10111; GB/T 12436; GB/T 12440; GB/T 13228; GB/T 14436; GB 14493; GB/T 17582; GB 18098; GB 28263-2012; GJB 770B-2005; GA 921; WJ/T 9055
Regulation (derived from) National Standard Announcement 2015 No.31
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 gelatinous nitroglycerine explosives classification and nomenclature, requirements, test methods, inspection rules and signs, packaging, transportation, storage and so on. This Standard applies to nitroglycerin (nitrates or mixed) gelatinous nitroglycerine explosives and other components thereof.

GB 32071-2015: [GB/T 32071-2015] Gelatinous nitroglycerine explosive

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Gelatinous nitroglycerine explosive ICS 71.100.30 G89 National Standards of People's Republic of China Gelatinous nitroglycerine explosives Published 2015-10-09 2016-07-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China issued

Foreword

Table 1 of this Standard indicators of part (75 ℃ Abel stability, the content of toxic gases after the explosion), 7.1 mandatory, the remainder being pushed Recommended nature. This standard was drafted in accordance with rules GB/T 1.1-2009 given. Please note that some of the content of this document may involve patents. The issuing authority of this document does not assume responsibility to identify these patents. The standard proposed by the People's Republic of China Ministry of Industry and Information Technology. This standard by the People's Republic of China Standardization Technical Committee of the Ministry of Industry and Information Technology Explosive Materials. This standard was drafted. Liaoning Qingyang Civil Explosive Materials Co., Ltd. The main drafters. Ren Wei, Qu Fenghua, Wen Xuwei. Gelatinous nitroglycerine explosives

1 Scope

This standard specifies the classification and naming gelatinous nitroglycerine explosives, requirements, test methods, inspection rules and signs, packaging, transportation, storage Deposit and so on. This standard applies to nitroglycerin (nitrate or mixed) with the other ingredients of the gum composition nitroglycerine.

2 Normative references

The following documents for the application of this document is essential. For dated references, only applies to the version dated paper Pieces. For undated references, the latest edition (including any amendments) applies to this document. GB/T 2828.1-2012 Sampling procedures - Part 1. Test batches by sampling the reception quality limit (the AQL) search plan GB/T 2829-2002 Sampling procedures and test cycle forms (for inspection of process stability) GB/T 9969 General Industrial Product Manual Generating GB/T 10111 random numbers and its applications in sampling the product quality GB/T 12436 explosive work capacity test lead casting method GB/T 12440 brisance explosive column test lead compression method GB/T 13228 Industrial explosive velocity assays GB/T 14436 General Industrial product assurance documents GB 14493 industrial explosive package GB/T 17582 industrial explosives classification and naming rules Determination of the content of toxic gases GB 18098 industrial explosives GB 28263-2012 Civil Explosives production and sales of enterprise security management procedures GJB770B-2005 Powder Test Method GA921 Civil Explosives warning labels, registration identification General WJ/T 9055 industrial explosive detonation from Test Method

3 Classification and Nomenclature

3.1 Classification 3.1.1 gelatinous nitroglycerine explosives into ordinary gum nitroglycerine explosives and nitroglycerine explosives glial hard freeze by two types of anti-freeze properties. 3.1.2 Normal gelatinous nitroglycerine into different components according to No. 1, No. 2 two varieties. 3.1.3 hard frozen gelatinous nitroglycerine into different components according to No. 1, No. 2, No. 4, No. 5, No. 6, No. 7 six species. 3.2 Naming Gelatinous nitroglycerine explosives naming should be consistent with GB/T 17582 requirements.

4 Requirements

4.1 Performance Gelatinous nitroglycerine explosives performance indicators should meet the requirements of Table 1. Table 1 gelatinous nitroglycerine explosives performance indicators index Ordinary, hard frozen hard freeze Moisture /% ≤1.0 Cartridge Density/(g/cm3) 1.4 ~ 1.6 1.4 ~ 1.6 1.4 ~ 1.6 1.2 ~ 1.4 1.2 ~ 1.4 1.0 ~ 1.2 Permeability resistance, junction two drugs roll oil Stitch width/mm ≤5 ≤5 ≤5 ≤5 ≤5 ≤3 Detonation distance/cm ≥8 ≥8 ≥8 ≥8 ≥8 ≥6 Work capacity/mL ≥360 ≥360 ≥360 ≥360 ≥360 ≥340 Brisance/mm ≥15 ≥15 ≥15 ≥15 ≥15 ≥14 Detonation velocity/(m/s) ≥6000 ≥6000 ≥5500 ≥5000 ≥5000 ≥3700 Water resistance level 1 75 ℃ Abel stability/min ≥10 Toxic gas content after the explosion/(L/kg) ≤70 (roadway ≦ 50) Shelf life/month 242424121212 Note 1. you have special requirements of the product, its performance may be negotiated through consultation. Note 2. Table boldface mandatory content. Note 3. The shelf life from the date of completion of the explosives. 4.2 Specifications Cartridge specification should Φ25mm ~ Φ50mm, length should be 200mm ~ 400mm.

5 Test methods

5.1 Water According to the provisions of Appendix A. 5.2 Density Cartridge According to the provisions of Appendix B. Permeability of 5.3 According to the provisions of Appendix C. 5.4 detonation distance Conducted in accordance with WJ/T 9055's. 5.5 work capacity Conducted in accordance with GB/T 12436 of. 5.6 Brisance Conducted in accordance with GB/T 12440 of. 5.7 detonation velocity Conducted in accordance with GB/T 13228 of. 5.8-degree water According to the provisions of Appendix D. 5.9 Abel stability GJB770B-2005 according to the provisions of a method 503.2. After the explosion of toxic gas content of 5.10 According to the provisions of GB 18098. 5.11 Specifications 5.11.1 drug roll outer diameter Sample volumes medicine, drug volume in the axial direction center transdermal drug volume taken, remove the explosive, the transdermal drug volume to expand, from the center of the roll with a ruler to measure the drug At both ends of the axis equidistant width, i.e., drug volume Zhou Chang. Accurate to 1mm, the outer diameter of drug volume calculated according to formula (1). D = (1) Where. --- roll outer diameter D of the drug value in millimeters (mm); Numerical C --- drug volume circumference in millimeters (mm); pi [pi] --- (take 3.14). 5.11.2 length Determination method using a ruler to the nearest 1mm. 5.11.3 Cartridge Quality It was determined by weighing method, to the nearest 0.5g. 5.12 Shelf Life Test methods carried out in Table 1 corresponding to the performance.

6 Inspection Rules

6.1 Inspection Classification Inspection of gelatinous nitroglycerine explosives into the factory inspection and type test. 6.2 factory inspection 6.2.1 Test items Gelatinous nitroglycerine explosives factory inspection items are shown in Table 2. Table 2 gelatinous nitroglycerine explosives factory inspection items Test item number gelatinous nitroglycerine explosives required number of test methods clauses clauses No. 1 water ○ 4.1 5.1 2 drug volume density ○ 4.1 5.2 Permeability of 3 √ 4.1 5.3 4 detonation distance √ 4.1 5.4 5 Brisance √ 4.1 5.6 6 detonation velocity √ 4.1 5.7 7 75 ℃ Abel stability ○ 4.1 5.9 8 Specifications - 4.2 5.11 Note. "○" represents a lot by lot inspection items, "√" represents the periodic inspection program. 6.2.2 Batch rules Each inspection lot under the same conditions as the raw materials, technology, equipment, etc. should be the same shift production of the same variety of product composition, volume does not exceed 25000kg. 6.2.3 Sampling 6.2.3.1 water, drug volume density, 75 deg.] C stability Abel 6.2.3.1.1 sampling plan According to the provisions of GB/T 2828.1-2012, the use of per hundred units failed to grant quality indicators, the use of sub-sampling program, with Table 3 Scheme body. Table 3 Water, drug volume density, stability Abel 75 deg.] C Sampling Acceptance quality limit (AQL) Inspection Level bulk sample size code Sampling plan n1, n2/A1, R1; A2, R2 10 S-1 ≤25000kg C normal Tightened Broaden 3,3/0,2; 1,2 5,5/0,2; 1,2 2,2/0,2; 1,2 Note 1. The sample size (n) sampling scheme, the number of reception (Ac), the reject number (Re) are "views" as a unit. Note 2. a test data detected once. 6.2.3.1.2 Sampling Batch package should be less than four randomly selected samples, two samples can be taken randomly once, it will be divided into a first and second sample Two samples allows sampling during the packaging process. 6.2.3.1.3 start test In addition to special requirements, should initially be tested using normal inspection. Tempering Justice adjustment 6.2.3.1.4 inspection When width strict adjustment shall GB/T 2828.1-2012 predetermined transition rule for 9.3. 6.2.3.2 permeability properties, detonation distance Brisance detonation velocity 6.2.3.2.1 sampling plan According to the provisions of GB/T 2829-2002, the use of per hundred units failed to grant quality indicators, the use of a sampling program. Equipment Table 4 Scheme body. Table 4 Permeability properties, detonation distance Brisance detonation velocity sampling plan Substandard quality level (RQL) The level of discrimination (DL) Inspection cycle Sampling plan n/Ac, Re 40 Ⅰ 10 batches of 2/0,1 Note 1. The sample size (n) sampling scheme, acceptance number (Ac), failed to determine the number (Re) are "views" as a unit. Note 2. a test data detected once. 6.2.3.2.2 Sampling Test sample period of this cycle should be manufactured by a batch by batch inspection of a random sample. 6.2.3.3 Specifications 6.2.3.3.1 sampling plan Conducted in accordance with GB/T 2828.1-2012, using a sampling program. Specific programs are shown in Table 5. Table 5 specification sampling plan AQL value classification test project failed test sample word level sampling plan sample quantities range Cartridge specifications Class C 6.5 S-1 C Normal. 5/1,2 Tightened. 8/1,2 Relaxing. 3/1,2 A drug volume ≤25000kg 6.2.3.3.2 Sampling Test sample size should be randomly selected from each batch of the package, in the manufacturing process allows for the withdrawal. 6.2.3.3.3 decision rule The seized items were in line with the requirements when determining the eligibility for the submission of inspection lot. Otherwise deemed to have failed. 6.3 Type inspection 6.3.1 Test items Gelatinous nitroglycerine explosives type test items shown in Table 6. Table 6 gelatinous nitroglycerine explosives type inspection items Test item number gelatinous nitroglycerine explosives required number of test methods clauses clauses No. 1 water ● 4.1 5.1 2 drug volume density ● 4.1 5.2 Permeability of 3 ● 4.1 5.3 4 detonation distance ● 4.1 5.4 5 work capacity ● 4.1 5.5 6 Brisance ● 4.1 5.6 7 detonation velocity ● 4.1 5.7 8 water resistance ● 4.1 5.8 9 75 ℃ Abel stability ● 4.1 5.9 After 10 explosion of toxic gas content ● 4.1 5.10 Note. "●" represents will review the project. 6.3.2 Inspection timing When one of the following circumstances, type of inspection should be carried out. a) The new product type, when the production line; When changing b) equipment, materials, process may affect product performance; c) the production line is stopped continuously for more than six months of production recovery; d) the national quality supervision agencies to proceed with a comprehensive inspection. 6.3.3 Sampling Sample A method according to GB/T 10111 randomly predetermined amount of the sample drawn should meet the test requirements. 6.3.4 determine the rules and re-inspection rule The type test to determine the rules and re-inspection rules are as follows. A) The items are in line with the subject of this standard, it is determined to be acceptable; b) components, drug volume density, moisture permeability resistance, detonation distance, as a function of force, Brisance, detonation velocity and water if two or more of the nine (Excluding two) measurement results do not meet this standard, it is determined to be defective; if one or both of the measurement results do not meet the present Standards, to deal with non-compliant items doubled retest, retest results are in line with the provisions of this standard, the acceptance was judged. Otherwise deemed to have failed; c) two of the toxic gases and stability after 75 ℃ Abel explosion if a measurement result does not meet the standard, the penalty As unqualified. 7 signs, packaging, storage and transportation 7.1 marks Gelatinous nitroglycerine explosives packaging symbol shall comply with the requirements of GB 14493 and GA921. 7.2 Packaging 7.2.1 gelatinous nitroglycerine explosives inside, the packaging should comply with the relevant provisions of GB 14493. 7.2.2 comes with each package should be in line with GB/T 14436 requirements of product certification and comply with GB/T 9969, said the use of Instruction manual. 7.3 Storage 7.3.1 gelatinous nitroglycerine explosives transport should be consistent with GB 28263-2012 and national hazardous goods storage and transportation regulations. 7.3.2 gelatinous nitroglycerine should be stored under predetermined conditions GB 28263-2012.

Appendix A

(Normative) Gelatinous nitroglycerine explosives moisture test method A.1 Principle Sample was heated at a predetermined temperature, that is, loss of moisture. A.2 Sample preparation Sample strip wrapping, on a tracing paper, a stainless steel knife to cut one end of drug volume of about 20mm, the remaining drug was cut into a roll A given number (about 25g) grow up to the edge of 3mm square sections, forceps cut sachets block on a clean dry dish surface, and Placed in a desiccator without desiccant standby. A.3 Reagents and materials tracing paper. A.4 instrument A.4.1 stainless steel knife. A.4.2 tweezers. A.4.3 surface of the dish. Ф60mm. A.4.4 dryer. A.4.5 Analytical balance. indexing is 0.0001g. A.4.6 water bath oven. a controller Sensitivity ± 1 ℃. A.5 Test program A known mass of clean dry dish surface of said sample taken on an analytical balance to about 5g (accurate to 0.0002g), was placed 40 ℃ ± 2 ℃ Water bath oven 30min, then, placed in a desiccator without desiccant cooling 10min ~ 15min, weighing. A.6 results presentation W1 moisture content according to formula (A.1) is calculated. w1 = m1-m2 m × 100% (A.1) Where. --- water content value of W1, expressed in%; M1 sample values prior to drying and surface quality --- dish in grams (G); --- M2 After drying the sample values and quality of the surface of the dish in grams (G); --- m sample mass values, in units of grams (g). Two parallel determination result, allowable difference of no greater than 0.1%, the average value, the calculation result indicates to two decimal places.

Appendix B

(Normative) Cartridge gelatinous nitroglycerine Density Test Method B.1 Principle Mass balance, said carrier plate with a sample taken, measured for volume to the drain method, is the mass density of the sample divided by the volume. B.2 Sample preparation Sample strip wrapping, on a tracing paper, a stainless steel knife to cut about the end grain 2cm, and then cut along a new cross-section Approximately 3cm long grain and this grain-sectional cut of about 1.5cm × 1.5cm × 3cm rectangular parallelepiped. B.3 Reagents and materials tracing paper. B.4 Instruments B.4.1 balance disc holder. the maximum weighing 100g, dividing the value of 0.1g. B.4.2 stainless steel knife. B.4.3 cylinder. 100mL. B.4.4 tweezers. B.5 Test Procedure After the prepared sample was weighed (accurate to 0.1 g of), into a graduated cylinder using tweezers, taking another 60mL graduated cylinder of water, and then Xu Xu Poured into a measuring cylinder containing the sample to shaking, remove air bubbles, the stationary reading accurate to 0.2mL. Cartridge according to the density ρ of formula (B.1) is calculated. ρ = V-V0 (B.1) Where. --- [rho] NUMERICAL drug volume density in grams per cubic centimeter (g/cm3); --- m sample mass value in grams (G); --- value V the total volume of water and sample in milliliters (mL); --- value V0 volume of water in milliliters (mL). Two parallel determination result, allowable difference of no greater than 0.05g/cm3, the average value, the calculation result indicates to two decimal places.

Appendix C

(Normative) Gelatinous nitroglycerine explosives Permeability Test Method C.1 Principle Cartridge case holding under heating, will accelerate the exudation of nitrate and traces of oil formed a band on the wrapper, traces of oil is the width of the band Permeability of. C.2 sample preparation Drawn from a randomly selected sample volume alternate drug. C.3 Reagents and materials C.3.1 tracing paper. C.3.2 ruler. indexing is 1mm. C.4 instrument C.4.1 water bath oven. temperature control sensitivity of ± 1 ℃. C.4.2 dryer. C.5 Test Procedure Wrapping the test sample peeled off and re-wrapped with a tracing paper, a total of three packages, placed in an oven in a water bath of 40 ℃ ± 2 ℃ incubated 4h, the After removing the test sample is placed in a desiccator containing a desiccant cooling 4h, removed. C.6 Expression of results The drug volume open, measuring the width of the innermost layer wrapper wrapping the junction with a second layer of traces of oil, oil leakage is the result of drug volume, units Millimeters (mm).

Appendix D

(Normative) Gelatinous nitroglycerine explosives water penetration test method D.1 Principle When punctured Cartridge wrapping paper soaked in water after a certain time, with 8 industrial electric detonators, observe whether the explosion completely, and to flooding Distinguish between the length of the water level. D.2 Sample preparation Water diameter of 35mm, length of 200mm subject drug volume, drug volume extracted two alternate sample drawn from any. D.3 reagents and materials D.3.1 punch. copper, Ф6.25mm. D.3.2 groove (L × W × H). 800mm × 400mm × 100mm. D.3.3 industrial electric detonator (GB 8031). No. 8. D.3.4 sand soil. D.3.5 ruler. indexing is 1mm. D.4 Test Procedure D.4.1 drug volume will perforated wrapper through aperture 16 of 6.25mm holes, rows of four, four holes per row, a column pitch quadrant, Hole spacing 44mm; frontispiece a first pitch of the first drug, the third two ends about 25mm, the second, the fourth pitch drug volume in the tail end of the fourth two About 25mm. D.4.2 drug volume level after the perforation is placed in the water tank cover, and not to sand, poured into water and then the surface of about 25mm above the surface of the sand, water Kept 17 ℃ ~ 27 ℃. D.4.3 until after a certain time interval, drug volume removed, a No. 8 detonator, such as a continuous two drug volume and complete combustion can no residual drug left, The record soaking time. D.5 Expression of results The relationship between the water level and the degree of immersion time in Table D.1. Table D.1 relationship with the water level of the soaking time Level of water 1234567 Soaking time/h> 72 32 ~ 71 16 ~ 31 8 ~ 15 4 ~ 7 1 ~ 3 < 1

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