Item

Specification

Test Result

Appearance

The PVC Sheet Should be 
transparent uniform. Disallow to 
have the wrinkledness, greasy dirt, 
eyewrinker, perforation, impurity, 
Fisheye's Diameter >1.3mm

Match The     
Norm

Size

Width
 
 

≥300±2

––

≤300±1

±0.2

Thickness mm

0.20-0.40 ≤±0.02

±0.01

Identify

Infrared spectrum analysis

Should be uniform to the antitheses 
spectrum

Match The     
Norm

Density g/sqcm

1.35≤p≤1.45

1.37

Physics

Water Vapor Transmission 
g/sqm.24h 23°C, RH90%

≤2.5

1.2

Oxygen Transmission       
sqcm/sqm·24h· 0.1Mpa

≤30

19

Tensile Strength Mpa

MD ≥44

66

TD ≥44

65

Falling Ball Impact     
Brittle Rate

TD ≤20

0

MD ≤20

0

Heating Shrinking rate %

±6

TD   -2

MD +2

Heating Sealing Strength N/15mm

≥7.0

8.9

The Content of VCM mg/kg

≤1

<1

Test of Extraction

Degree of Clear

Ought to clear

Clear

Test of Oxidation

≤1.5ml

0.8

Heavy Metal mg/kg

≤1

<1

Non-Volatile

Water mg

≤30.0

3

65% Ethanol mg

≤30.0

3.1

Hexane mg

≤30.0

2.3

Barium

Ought to clear

Match The 
Norm

Microbial Limit Tests

Bacterium

≤1000/100sqcm

<30

Fungus, Saccharomycetes

≤100/100sqcm

<30