The Two Leather Industry Standard Approval Will Be Held In Chengdu.
In December 17, 2011, the national leather industry
standard
In Chengdu, the technical committee organized two industry standard approval meetings, namely, "tannery wiping paste, pigment paste" and "tannery wiping paste and pigment paste test method".
These two criteria are for QB/T 1654-1998, "tannery paste, pigment paste" and QB/T 2157-1995 "tannery paste, pigment paste".
test
The revised method was drafted by Sichuan Dawei Polytron Technologies Inc.
China Light Industry Federation, China Leather Association, China leather and footwear industry
research institute
The national leather quality supervision and Inspection Center (Zhejiang), Fujian entry exit inspection and Quarantine Bureau, Sichuan Leather Association, Chengdu Quality Inspection Bureau, Xinjin Quality Inspection Bureau and the Economic Development Bureau, the National Light Industry footwear, leather and fur products quality supervision and testing of Chengdu Railway Station, Sichuan University, Shaanxi University of Science and Technology and related industry representatives 31 people attended the meeting.
In this revision, the standard of "tannery wiping paste and pigment paste" has increased the requirements for pigment paste's color difference, heat resistance, light fastness, migration resistance and heavy metals, especially the requirements for heavy metal total lead, total cadmium and six valent chromium.
Under the recommendation of the relevant experts, the three indicators have adopted the highest international standards. The formulation of the six valent chromium index marks the prohibition of the production of yellow pigment paste with chrome yellow.
In the standard of testing method for leather used for wiping paste and pigment paste, the principle of black and white paper was used to measure the covering power, the measurement precision of laser particle size instrument, the chromatic aberration, light fastness, migration and heavy metal content.
The experts from all sides put forward a lot of amendments. The drafting unit will be revised according to the experts' opinions and will be submitted to the Ministry of industry and information.
The revision of these two industry standards will largely play the role of industry standardization and upgrading. It also indicates that China will gradually reach the international advanced level in the field of pigment paste production.
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