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Position: Chinese Standard in English/GJB 1059.4-1990
GJB 1059.4-1990   Test methods of phenolic resin for ablative materials--Test of gelation time (English Version)
Standard No.: GJB 1059.4-1990 Status:valid remind me the status change

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Language:English File Format:PDF
Word Count: 1200 words Price(USD):50.0 remind me the price change

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Implemented on:1991-6-1 Delivery: via email in 1 business day
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Standard No.: GJB 1059.4-1990
English Name: Test methods of phenolic resin for ablative materials--Test of gelation time
Chinese Name: 烧蚀材料用酚醛树脂测试方法 凝胶时间测试
Professional Classification: GJB    Professional Standard - Military
Issued on: 1991-01-26
Implemented on: 1991-6-1
Status: valid
Language: English
File Format: PDF
Word Count: 1200 words
Price(USD): 50.0
Delivery: via email in 1 business day
Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative. 1 Subject content and applicable scope This standard specifies the method for determining the gelation time of phenolic resin by hot plate method. It is applicable to the determination of gelation time of phenolic resin for ablative materials. It may be used as a reference for other phenolic resins. 2 Normative references GJB 1059.1 Test method of phenolic resin for ablative materials - Test of solid content 3 Method summary At a specified temperature, place the test portion in a horizontal shallow round groove on the surface of the prescribed heating plate, stir it in a specified way, and record the time experienced by the test portion from the beginning of heating to gelation. 4 Reagents Ethanol: Grade I industrial ethanol. 5 Apparatus 5.1 Gelation heating plate: 120mm × 120mm × 20mm steel plate. There is a shallow round groove with a diameter of 30mm and a depth of 2mm in the center of the plate, and a thermometer socket with a diameter of 8mm drilled in the center of one plate side. The mercury bulb of the thermometer shall be located in the center of the round groove, as shown in the following figure: Gelation heating plate 5.2 Electric heater: continuously adjustable electric heater or other temperature-controlled electric heating device. 5.3 Thermometer: with a measuring range of 0℃~250℃ and a division value of 1℃. 5.4 Scale pipette: with a volume of 5ml and the tip of which is removed to facilitate the flowing down of test portion. 5.5 Balance: with a sensibility of 0.1g. 5.6 Glass rod: with a diameter of 5mm~6mm, one end of which is drawn into a cone with a length of 10mm ~ 15mm, and the tip diameter of which is 2mm ~ 3mm. 5.7 Stopwatch: with a precision of 1s.
1 Subject content and applicable scope 2 Normative references 3 Method summary 4 Reagents 5 Apparatus 6 Test piece 7 Test procedures 8 Expression of results 9 Allowable deviation 10 Test report Additional explanation
Referred in GJB 1059.4-1990:
*GJB1059.1-
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Code of China
Standard
GJB 1059.4-1990  Test methods of phenolic resin for ablative materials--Test of gelation time (English Version)
Standard No.GJB 1059.4-1990
Statusvalid
LanguageEnglish
File FormatPDF
Word Count1200 words
Price(USD)50.0
Implemented on1991-6-1
Deliveryvia email in 1 business day
Detail of GJB 1059.4-1990
Standard No.
GJB 1059.4-1990
English Name
Test methods of phenolic resin for ablative materials--Test of gelation time
Chinese Name
烧蚀材料用酚醛树脂测试方法 凝胶时间测试
Chinese Classification
Professional Classification
GJB
ICS Classification
Issued by
Issued on
1991-01-26
Implemented on
1991-6-1
Status
valid
Superseded by
Superseded on
Abolished on
Superseding
Language
English
File Format
PDF
Word Count
1200 words
Price(USD)
50.0
Keywords
GJB 1059.4-1990, GJB/T 1059.4-1990, GJBT 1059.4-1990, GJB1059.4-1990, GJB 1059.4, GJB1059.4, GJB/T1059.4-1990, GJB/T 1059.4, GJB/T1059.4, GJBT1059.4-1990, GJBT 1059.4, GJBT1059.4
Introduction of GJB 1059.4-1990
Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative. 1 Subject content and applicable scope This standard specifies the method for determining the gelation time of phenolic resin by hot plate method. It is applicable to the determination of gelation time of phenolic resin for ablative materials. It may be used as a reference for other phenolic resins. 2 Normative references GJB 1059.1 Test method of phenolic resin for ablative materials - Test of solid content 3 Method summary At a specified temperature, place the test portion in a horizontal shallow round groove on the surface of the prescribed heating plate, stir it in a specified way, and record the time experienced by the test portion from the beginning of heating to gelation. 4 Reagents Ethanol: Grade I industrial ethanol. 5 Apparatus 5.1 Gelation heating plate: 120mm × 120mm × 20mm steel plate. There is a shallow round groove with a diameter of 30mm and a depth of 2mm in the center of the plate, and a thermometer socket with a diameter of 8mm drilled in the center of one plate side. The mercury bulb of the thermometer shall be located in the center of the round groove, as shown in the following figure: Gelation heating plate 5.2 Electric heater: continuously adjustable electric heater or other temperature-controlled electric heating device. 5.3 Thermometer: with a measuring range of 0℃~250℃ and a division value of 1℃. 5.4 Scale pipette: with a volume of 5ml and the tip of which is removed to facilitate the flowing down of test portion. 5.5 Balance: with a sensibility of 0.1g. 5.6 Glass rod: with a diameter of 5mm~6mm, one end of which is drawn into a cone with a length of 10mm ~ 15mm, and the tip diameter of which is 2mm ~ 3mm. 5.7 Stopwatch: with a precision of 1s.
Contents of GJB 1059.4-1990
1 Subject content and applicable scope 2 Normative references 3 Method summary 4 Reagents 5 Apparatus 6 Test piece 7 Test procedures 8 Expression of results 9 Allowable deviation 10 Test report Additional explanation
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Keywords:
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