Confirm the influence of environment variables on the release rate and release properties of materials and products;
Grade materials and products according to their release properties;
Develop and validate the proposed model of indoor air pollutions;
Evaluate indoor air quality(IAQ) according to the data and proposed model of indoor pollutants;

Implementation Standards:

GB 18580 ''Indoor Decorating and Renovating Materials Limit of Formaldehyde Emission of Manmade Board and its Products''
GB 18584 ''Indoor Decorating and Renovating Materials Limits of Harmful Substances from Wooden Furniture(Exposure draft)
GB 18587 ''Indoor Decorating and Renovating Materials Releasing Limitation of Harmful Substances from Carpet,Carpet Pad and Carpet Adhesive''
ENV717-1 "Environmental chamber method for measurement of formaldehyde emission of manmade board.
EN13419-1 "Determination of VOCs Release quantity of building products Chapter One the method for releasing and testing the environmental chamber"
HJ571-2010 "Technical requirements for environmental labeling manmade board and its products"
HJ566-2010 "Technical requirements for environmental labeling manmade board and its products"
ISO12219-4
VDA-276

Reference Standards

ASTM D5116-97 "Standard guide for determination of organic release from interior materials and products with small scale environmental chamber"
ASTM D6330-98 "Standard operation for determination of VOCs(excluding formaldehyde) release from wooden board with small environmental chamber under specified test conditions"
ASTM D6330-98 "Standard operation for determination of VOCs release from interior materials and products with full scale environmental chamber"
ASTM D1333-96 "Standard test method for determination of formaldehyde concentration and release rate in gases released from wood products with large scale environmental chamber"

Technical Parameters:

Product Model

V-50

V-100

V-250

V-500

V-1000A

V-1000B

V-2000

Volume of chamber(WxDxH)cm

56*30*30

63*40*40

70*60*60

102*70*70

158*80*80

91*100*110

200*110*90

Environmental temperature

5~35℃

Environmental humidity

≤90%R.H

Requirements for Environmental

Cleanliness No pollutant source in the surrounding environment TVOC 500μg/m³

Adjustable range of temperature

10~40℃ high temperature cleaning 250℃

Adjustable range of humidity

40~70%R.H(20℃~30℃)

Pressure

10±5pa

Temperature fluctuation

±0.3℃(fluctuation)

Temperature deviation

±0.5℃(deviation)

Humidity fluctuation

±2.5%R.H

Humidity deviation

±3%

Air exchange rate

0.2~5/h±5%(optional 0.2~3/h±5%)

Air velocity

0.1m/s 0.3m/s(Range)

Power

Alternating current 380V/50Hz three-phase power supply 4/5 wiring system

Starting power

5kw

6kw

8kw

10kw

15kw

20kw

Operating power

3kw

3.4kw

5kw

6kw

7kw

9kw

Rate of recovery

Formaldehyde,octanol,4 phenyl cyclohexene,dodecane and tetradecane have a recovery rate larger than 80%

Clean air system

Standard configuration

Background concentration of methanol

single VOC has a concentration smaller than 2 μg/m³,T VOC 20 μg m dust filtrated TVOC has a concentration smaller than 20μg/m³

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