JIS P 8138:1976
Superseded
View Superseded by
Testing method for opacity of paper
English
04-30-1976
06-02-2025
This Japanese Industrial Standard specifies the testing method for opacity of paper. The opacity herein means as follows: Apply paper packings of white and black standard plate to the sample and measure the respective reflectances by using green filter and express the ratio of the latter to the former by % to take it as the opacity, and further that indicates 100 % is taken as completely opaque paper.
| DocumentType |
Standard
|
| Pages |
4
|
| PublisherName |
Japanese Standards Association
|
| Status |
Superseded
|
| SupersededBy |
76(R2000) [20/08/2000]76(R1984) [01/03/1984]76
| JIS P 8123:1961 | Testing method for brightness by hunter of paper and pulp |
| JIS Z 8401:1999 | Guide to the rounding of numbers |
| JIS S 5504:1995 | Notebooks and exercisebooks |
| JIS S 5502:1997 | Envelopes and pockets |
| JIS P 0001:1998 | Paper, board and pulp -- Vocabulary |
| JIS S 5503:1997 | Writing pads |
| JIS B 9524:1989 | Test chart for full colour copying machines |
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