1, whiteness: The requirements of the glass without significant luster.
2, Bubble: Allow a certain width, a certain length of the bubble has a certain number, but can use steel needle broken bubble does not allow existence.
3, transparent pimple: Refers to the melting of the vitreous, the capacity of less than 142L glasses, the length of not more than 1.0mm of the glass, the size of the capacity of 142~284mL glasses, the length of not more than 1.5mm, the cup body 1/3 of the transparency of the pimple not allowed.
4, miscellaneous particles: Refers to the opaque granular debris, the length is less than 0.5mm, not more than 1.
5, cup mouth roundness: The cup is not round, its maximum diameter and minimum diameter difference is not much more than 0.7~1.0mm.6, stripes: The distance from the 300mm visual apparent not permitted.
7, the cup height is low deviation (the cup height is low deflection): one cup body the highest place with the lowest height difference is not much less than 1.0~1.5mm.
8, cup thickness difference: no greater than 0.5~0.8mm.
9, shear seal: finger stripes or centipede-like shear marks, not much longer than the 20~25mm, the width is not more than 2.0mm, more than 1, or white shiny, more than 3mm, not permitted.
10, Mould Printing: The cup is printed on the imprint of the hidden, the horizontal clearly not permitted.
11, cup body suction flat: Refers to a rugged cup body, the clear-up is not permitted.
12, wipe hair and scratch: wipe the glass with the glass diameter of friction, in the cup body left a loss of luster traces, flat see clearly not permitted. Abrasion refers to the glass cup collision between each other, the body surface of the scars left, shiny not allowed.
Previous: Glass Maintenance
Next: No Information
Related Industry Knowledge
- Glass Maintenance
- Cha Removal
- Glass and Crystal Cups
- Glass and crystal cups (not natural...
- The reason to go to the library, in...
- 4000 Vacuum flask Insulation box to...
- Vacuum flask Bubble Chinese herbal ...
- Precautions for stewed pot-soaked C...
- Frying Chinese herbal medicine for ...
- Touch blankets, feel soft spring/go...