Our fast dissolving type water-soluble plastic film standard
by:POLYVA2021-02-04
Fast dissolving type water-soluble plastic film production of our company is according to the following standards inspection: < br /> 1, appearance: the appearance of basic smooth level off, without obvious concave and convex marks, bubbles, impurities, corrugated, defects such as cracks.
Among them: 1)
Impurities, diameter & le;
0.
8 mm, quantity & le;
25 per square metre of 2)
Bubbles, diameter & le;
1.
0 mm, quantity & le;
25 per square metre (3)
Wrinkles, allowing a small amount of 4)
Transverse uniformity, & le;
< br /> 2, 2 mm size deviation: width & plusmn;
2 mm, thickness & plusmn;
0.
005 mm, length & plusmn;
1 m < br /> 3, the same film joint: & le;
2 < br /> 4, technical indicators: 1)
The tensile strength & gt;
25 Mpa2)
Elongation at break & gt;
3) 180%
Right Angle tearing force & gt;
80 KN/m < br /> 5, water-soluble can: begin to dissolve & lt;
< br /> 25 seconds completely dissolved & lt;
Completely dissolved after 20 minutes without filiform flake impurities.
(
Measure the water temperature is 25 ℃ 6 cm & times;
6 cm plate test)
< br /> 6, storage period: 2 years.
(
Storage of the goods does not be affected with damp be affected with damp circumstances)
Special product to be agreed upon another < br /> < br />
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