With the continuous improvement of barrier free handrails, the application of PVC barrier free handrails is more and more extensive, especially in people's daily wear. In addition, PVC barrier free handrail is also suitable for the enclosure, garden, lake and other places. It is not only beautiful but also practical. But with the increasing demand of people and the continuous emergence of PVC barrier free handrail manufacturers, the choice of PVC barrier free handrails has become a headache problem. How to identify the quality of PVC barrier free handrails?

乐发II500In order to identify the advantages and disadvantages of PVC barrier free handrails, the quality and quality of PVC barrier free handrails are excellent, and the structure of the PVC barrier handrails design and assembly and installation is scientific and reasonable. The method of PVC barrier free handrail identification is applied in the courtyard.

First, inspection agency inspection

Two, entrust a local professional organization to carry out a test or require a manufacturer to provide a testing document. In general, a regular material manufacturer will have a test certificate.

Three. Compare the profiles of PVC barrier handrails, and observe the color, wall thickness or texture of the surface and interface of the PVC barrier handrails. Generally, the quality of the profile of its color is more positive, soft, smooth surface, good texture, strong toughness, bright color for a long time. The poor quality of the profile is rough, the color is dark, the texture is brittle, and the color will fade in a short time.

Four, by comparing the steel lining to wall thickness, surface treatment process and its cross section. If the high quality steel is thick and even, the surface and section rust prevention and galvanizing treatment will be in place. If it is inferior steel, its thickness is not right, the surface is rough, rust prevention and galvanization treatment is not good.

The main body of highway steel is barrier free handrail, highway bridge, tunnel, culvert and slope protection, and the steel is seldom used in subgrade. The barrier free handrail is an important part of the road safety facilities. It is also the main steel part of the highway. The highway crash barrier free arm is also called the "wave beam barrier" handrail "corrugated plate", is typical of cold-formed steel products, is also the most important transportation infrastructure, highway in our country is developed from 80s, it plays an important role in the national economic and social development. It is an important maintenance and safety protection facility for the freeway. The barrier free rails of the highway include barrier free handrails and columns. The distance between the columns is generally 2 meters or 4 meters, and the spacing between 2 meters is mainly used in special dangerous sections. The highway standard section uses 250 barrier free handrails per kilometer, the distance between the columns is 4 meters, 250 poles are used for each kilometer, 2 ends, 250 caps, 250 blocks, 250 sets of connection bolts, and 2000 sets of splicing bolts. The pillars of the barrier free handrails may be in the form of pre burial, or a pillar with a chassis, depending on the specifications of the barrier free handrails.