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Technical Information
Characteristics of GOHSENOL

Biodegradability
Our PVOH products in the GOHSENOL, GOHSENAL and ECOMATY lines are eco-friendly biodegradable resins, registered in the Green Plastic positive list of the Biodgradable Plastics Society of Japan.



[ Biodegrability test ]
Our products were tested per "Determination of the ultimate aerobic biodegradability of plastic materials in an aqueous medium - Method by measuring the oxygen demand in a closed respirometer".
(JIS K6950:2000 ISO14851:1999)
PVOH Brand
Product Name
BOD (ppm)
Biodgrability Ratio (%)
GOHSENOL
N-300
137
75.5
GH-17
120
67.1
KH-17
118
66.7
KP-06
151
86.3
GOHSENAL
T-330
81.0
45.7
ECOMATY
WO-239
112
60.9
GOHSERAN
L-3266
98.1
56.4
GOHSEFIMER
Z-200
162
90.6
Test conditions:
(1) Specimen concentration: 100 mg/L
(2) Application concentration: 90 mg/L
(3) Standard test medium: 300 mL
(4) Test temperature: 25 ± 1 degree C
(5) Test duration: 28 days
(6) Active sludge: Sludge returned from Mizushima Plant, Nippon Gohsei