��ˮ��ԇ�C cardboard spray tester
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this tester is used for determining the waterproof ability of paper and paperboard. user can examine scar and condition of water passage. then, consult the standard table and assess its repellent grade.
��(bi��o)��(zh��n)����(j��) produce spec��jis-p8137
��헅���(sh��)instruction��
ԇ��specimen : 300��200mm
ԇ���_�Aб��inclination of test base : 45��
�ι��cԇ���g�� distance of dr-op : 10mm
����� burette volume : 50ml
�ι��� dr-op volume : ÿ��0.1ml
�����L��length of water passage : 250mm
�w�e�������ιܣ�dimension : 25��30��57cm
����weight : 12.5kg