Inspection tips for glassware products Part 2
Below are our QC team terms for glass inspection
7.After glass products back mould, fade temperature (fire) to ensure the stable quality, prevent the product will automatically burst after a period of time. The thermal stability of glass bottles should be, from hot water bad to worse, cold water temperature difference in 39 degrees commonly examination without damage by detecting,
8.Inside and outside of the glass cannot have obvious water ripple, surface and internal are not allowed to have a feel of lanes, such as obvious wrinkles and scars, grinding crack, such as cut marks and line, surface crack and not satisfied to its defects.
9.Glass mouth examination level off is smooth, no burr and bump, touch.
10.Inside and outside the glass must be cleaned, cannot have sundry, dust, tar, glass beads, etc. There can be no rust on glass products,Glass materials can't be mixed with black spots, dust and other sundry. Note: the rust on the glass products are usually used for faded when fire glass clamp with rust and die due to rust rusty spot on the glass, after cannot be removed. Clamp and die if rust, therefore, must in the first cleaning before production to avoid this problem. Need to pay attention to dissolve to avoid dust and impurities such as falling into the material, the product after forming internal containing impurities;