Title:
KRAFT PAPER
Document Type and Number:
Japanese Patent JP2000054283
Kind Code:
A
Abstract:
To obtain a kraft paper having extremely low transparency useful for a heavy-duty bag for packing fine powdery particles by air transportation.
This kraft paper comprises a kraft paper made from a kraft pulp as a raw material. The kraft paper constitutes a multilayer bag for packing fine powdery particles by air transportation, satisfying strength (tensile strength) described in JIS P 3412 (1, extensible paper) and JIS P 3401 (kraft paper 1, 2) having 73-84 g/m2 unit weight. The paper has 4-10 second air permeability by JIS P 8117.
Inventors:
Ishii, Hirokazu
Miyamoto, Yoshihiro
Miyamoto, Yoshihiro
Application Number:
JP1999000199766
Publication Date:
February 22, 2000
Filing Date:
August 27, 1993
Export Citation:
Assignee:
OJI PAPER CO LTD
International Classes:
B65D30/02; B65D33/01; D21H11/04; D21H27/10; B65D30/02; B65D33/01; D21H11/00; D21H27/10; (IPC1-7): D21H11/04; B65D30/02; B65D33/01
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