2014 for the second quarter of Quality and Technical Supervision, Henan Province, therefractory product quality supervision and inspection of the province, were taken Zhengzhou,
Luoyang, Xuchang, Nanyang four provincial cities and Gongyi a straight pipe county (city) 53 companies production of 89 batches of refractory products, a batch of the product does not meet the standard requirements.
Luoyang, Xuchang, Nanyang four provincial cities and Gongyi a straight pipe county (city) 53 companies production of 89 batches of refractory products, a batch of the product does not meet the standard requirements.
This inspection according to GB / T 2988-2012 “aluminum brick”, YB / T 5106-2009 “clay firebrick”, GB / T 2275-2007 “magnesia and magnesia bricks“, YB / T 5049-2009 “skateboard brick” and other refractory product standards and product quality requirements express, the chemical composition of the product mass fraction, melt index, apparent porosity, bulk density, true density, apparent density, room temperature flexural strength, compressive strength at room temperature, heating permanent change, load softening start temperature, refractoriness,
high temperature flexural strength, thermal conductivity, thermal expansion, thermal shock resistance and abrasion resistance at room temperature, such as 17 projects have been tested.
high temperature flexural strength, thermal conductivity, thermal expansion, thermal shock resistance and abrasion resistance at room temperature, such as 17 projects have been tested.
After sampling, a company of a batch Galaxy MgO-C (Specifications Model MT-14C production date 2014-2-28) does not meet the standard requirements, related to the carbon content of the project. Henan Province Quality and Technical Supervision said it had instructed the relevant provincial cities, straight county (city) quality and technical supervision departments in accordance with relevant laws and regulations of this inspection in substandard products and production companies and the law.
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