PVC Flange Safety Shields of the main performance are as follows: Add a leak warning note, transparent and visible, the leak can be found the first time and warning to remind; have a certain flame retardant effect, long-term use temperature is -40 ℃ ~ 100 ℃; excellent performance and electrical properties, strong acid and alkali resistance, good chemical stability,The PVC Flange Spray Guards is chemically resistant to acids, salts, bases, fats, and alcohols.waterproof penetration. Pvc Flange Spray Shields,Flange Spray Guards,Flange Spray Shields,Pipe Spray Shields Zhejiang Amin Environmental Protection Technology Co., Ltd. , http://www.safetysprayshields.com
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For the dimensional tolerance of the hole; the distance tolerance between the hole and the hole; the distance between the hole and the base, such as the tolerance of the workpiece, if the hole depth exceeds 500mm, it will bring considerable difficulty to the processing. For example, to machine a piece of φ150_0~(+0.02)mm, the hole depth is 500mm, the two holes are 300±0.02mm, the cylindricity tolerance is 0.015mm, and the workpiece with the bottom reference parallelism of 0.03mm is guaranteed.