Document Details |
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| Name of Department/Committee : | CHD 27 | ||||||
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| Document Number : | CHD 27 ( 25288) | ||||||
| Document Title [English] : | Methods of Test for Rigid Cellular Thermal Insulation Materials Part 8 Flame Height Time of Burning and Loss of Mass | ||||||
| Document Title [Hindi] : | दृढ़ जालीदार तापीय ऊष्मारोधी सामग्री की परीक्षण पद्धति भाग 8 लौ की ऊंचाई, जलने का समय और द्रव्यमान की हानि | ||||||
| Document Type : | Revision | ||||||
| Language : | English | ||||||
| Priority : | 2 | ||||||
| ICS Code : | 27.220, 91.120.10 | ||||||
| Date of Project Approval : | 21-03-2024 | ||||||
| Standards to be Revised : |
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| Standards to be Superseded : |
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Classification Details |
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| Group : | Chemicals, Plastics and their Products including packaging and Environment |
| Sub Group : | Chemical Products |
| Sub Sub Group : | Thermal Insulation Materials-wool based, fibre based, cement based |
| Aspects : | Methods of tests |
| Risk : | Low |
| Certification : | Not Certifiable |
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| ITCHS Code : | |
| Ministry : |
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| Sustainable development Goals : | |
| Degree of Equivalence : | Indigenous |
| Identical/Equivalent Standards : | |
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| Sl.No. | Synosis Points | |
| 1 | a) Conditioning time of the test specimen has been changed from 16 h to 24 h; | |
| 2 | b) Tolerance value of 10 ºC has been introduced for the inner cone flame temperature of standard gas burner; | |
| 3 | c) Tolerance has been introduced in test specimen size. It has been changed from 250 mm × 20 mm × 20 mm to (250 mm ± 1 mm) × (20 mm ± 0.5 mm) × (20 mm ± 0.5 mm); | |
| 4 | d) The unacceptability criterion of any test specimen has also been changed; and | |
| 5 | e) Reference clause has been incorporated. | |
Timeline Details |
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Stages |
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| Sl. No. |
Stage | Date of Occurence | Remarks | Circulated to | Files |
| 1 | Generation of Document Number | 21-03-2024 | ------- | ||
| 2 | P-Draft Waived | 16-04-2024 | ------- | ||
| 3 | WC Draft | 16-04-2024 | Duration : 60 Days Submitted for HOD approval Remarks : The committee in its 22nd meeting held on 21-03-2024 decided to send the document into wide circulation for 60 days |
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| 4 | WC Draft | 18-04-2024 | WC approved by HOD |
CHDC CHD 27, | ------- |