GB/T 36874-2018 English PDF

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GB/T 36874-2018: Test method for technical performance of cooling pad
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 36874-2018	279	Add to Cart	3 days	Test method for technical performance of cooling pad	Valid

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Basic data

Standard ID: GB/T 36874-2018 (GB/T36874-2018)
Description (Translated English): Test method for technical performance of cooling pad
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: B91
Classification of International Standard: 65.040.30
Word Count Estimation: 14,148
Date of Issue: 2018-09-17
Date of Implementation: 2019-04-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 36874-2018: Test method for technical performance of cooling pad

---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.
Test method for technical performance of cooling pad ICS 65.040.30 B91 National Standards of People's Republic of China Wet curtain technical performance test method Published on.2018-09-17 Implementation of.2019-04-01 State market supervision and administration China National Standardization Administration issued

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by the Ministry of Agriculture and Rural Affairs of the People's Republic This standard is under the jurisdiction of the National Animal Husbandry Standards Technical Committee (SAC/TC274). This standard was drafted. China Agricultural University, the Ministry of Agriculture Key Laboratory of Facility Agriculture Engineering. The main drafters of this standard. Zhao Shumei, Ma Chengwei, Wang Pingzhi, Ding Tao, Cheng Jieyu, Shi Zhengxiang, Li Baoming. Wet curtain technical performance test method

1 Scope

This standard specifies the test method for the technical performance of corrugated wet curtains for ventilation and cooling. This standard applies to the technical performance parameter test of corrugated wet curtain products made of fibrous materials for agriculture.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 1236-2017 Standardized air duct performance test for industrial fans GB/T 16491 electronic universal testing machine

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Wet curtain coolingpad A corrugated ventilation and cooling product made of a hydrophilic and water-resistant fibrous material. 3.2 Wet curtain specification parameter coolingpadconfiguration The width, height and thickness of the outer contour of the wet curtain. 3.3 Natural dry state coolingpadundernaturalydriedstate The wet curtain is placed in an air temperature of 20 ° C to 30 ° C and a relative humidity of 30% to 60% for 24 hours or more. 3.4 Saturated wet state coolingpadundersaturatedstate The wet curtain is completely immersed in water at 15 ° C ~ 25 ° C for 30 min, taken out and placed at an air temperature of 20 ° C ~ 30 ° C, relative humidity of 30% ~ 60% of the state of draining for 5 minutes under windless conditions. 3.5 Water absorption height waterabsorptionheight After the wet curtain test piece in the natural dry state is immersed in water, the surface wetting boundary rises above the water surface within a predetermined time. 3.6 Water absorption rate The rate of change of mass of the wet curtain test piece in a naturally dry state after immersion in a saturated wet state. 3.7 Wet rate rate wetinflationrate The change rate of the specification parameters of the wet curtain test piece under natural dry state after immersion treatment to a saturated wet state. ......

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