Regulation of classification of blue black quality - Chinese office automation Net
Add to Favorites | Chinese
Regulation of classification of blue black quality
From;    Author:Stand originally
Classify of quality of 1 blue black
1.1 blue black are A, B, C3 by quality circumstance cent grade, among them class A product is classy article, b form product is first-rate product, c form product is tasted for qualification.
1.2Index of function of grade of A, B
The blue black of grade of A, B divides each function index to should accord with QB551-84 outside the regulation, fastness of deepness of colour and lustre, leach, insolation fastness, diffuse degree, intermittence is written, exterior of PH value, ink and the technology of the exterior that pack ask to should accord with a watch 1 regulation. Express 1
Project grade category is advanced the class that taste general tastes excel of A of deepness of colour and lustre excel of A of fastness of leach of B of ink of contrast of class of general of excel of advanced and comparative ink is advanced and comparative excel of A of fastness of insolation of B of ink of contrast of class of ink excel general is advanced and comparative B of ink of contrast of class of ink excel general diffuses spend (class) A, water ≥ 40min goes out inside 5 pens 30mm, 40min of water B ≥ goes out inside 5 pens 30mm, water ≥ 30min goes out inside 5 pens 30mm, water PH goes out to be worth surface of A of exterior of ink of 1.6 of ≥ of 1.7 B of A ≥ not to have suspension content inside 5 pens 30mm, b of flavour of as good as packs exterior A a. Exterior free from contaminationB. Inkstand and lid figuration are complete, without be short of caustic, burr, the bleb of inkstand does not exceed 3, individual bleb area does not exceed 5mm² . C. The brand of small box pressworks clear, can identify, bottle is stuck decorous. A a. Exterior free from contamination. B. Inkstand and lid figuration are complete, without be short of caustic, burr, individual area does not exceed the bleb of inkstand 5mm² . C. The brand of small box pressworks clear, can identify, bottle is stuck decorous.
1.3Index of C grade function
Each function index should accord with the blue black of C grade QB551-84 regulation.
2 experiments method and measure
2.1 manage change the experiment of function index
2.1.1 allow to take 5 bottles in draw-out sample, after flipping through 3 times up and down. Open cap, rub-up opening, fall to already used distilled water abluent and in the 500ml sulphur measuring flask of stoving sealed, change what function index checks to use as manage.
2.1.2 manage change method of function index and each experiment to should accord with QB551-84 outside the regulation, right not the test of dissolve content and stability, the amount should be taken after Cheng Youmo the fluctuation of sulphur measuring flask of water flips through 3 times first, undertake detecting again.
2.2 ink exterior and the exterior that pack
2.2.1 ink exterior
Will by unscrew of check inky cap, outside of range estimation ink leaves in the incandescent lamp of 200-250lx intensity of illumination, smell odour with smell.
Previous12 Next