A few days ago, Xiamen Dongdu Inspection and Quarantine Bureau retired a number of imported passenger car radial tires whose high-speed performance test values ​​did not meet the requirements of the national standard. The batch of 20 tires from Malaysia has a total value of 635 US dollars. It is the first time that Xiamen Port has detected unqualified tires in imported tires. The batch of 205/55R16 car tires was imported from Malaysia by a company in general trade. It is ready for domestic sales. After sampling inspection by Dongdu Bureau, it found that its high-speed performance test value is 230 kilometers per hour, which is not in line with China. The mandatory standard is greater than or equal to 240 kilometers per hour. Dongdu Bureau reminds relevant enterprises that high-speed performance is an important test indicator for tire safety projects. If it is unqualified, it will easily cause a tire to burst during high-speed driving, resulting in safety accidents for personnel and vehicles. Therefore, it is necessary to enhance risk prevention. Awareness, protecting the legitimate rights and interests of consumers.
Injection molding is a widely used molding process for thermoplastics. Some thermosets and elastomers are injection molded when equipment is modified and operating parameters allow for the cross-linking of materials.
It's possible to create complex, intricate shapes with injection molding. It requires designing and fabricating a mold whose cavity has the same geometry as the original part. It must also allow for part removal. Part sizes range from 50 grams (2 ounces) to 25 kilograms (55 pounds). Heavier items made using injection molding include automobile bumpers and refrigerator doors.
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