The expansion anchor refers to an anchor bolt that uses an expansion member to press the anchor hole wall to form an anchoring action. The expansion type anchor bolts are divided into a torque control type and a displacement control type according to the different control methods of the expansion fo... read more
The chemical anchor is a new type of fastening material that appears after the expansion anchor. It consists of a chemical agent and a metal rod. The special cement is used to fix the screw to the bore of the crucible substrate to achieve A composite of anchored parts. Chemical anchor bolts can be u... read more
1. The temperature at the anchor installation site should not be lower than -5 °C. When the temperature of the site where the anchor is installed is lower than -5 °C, the accuracy of the worker's operation will be affected to some extent. 2. It is strictly forbidden to carry out open work in rain an... read more
1. Chemical anchors are usually made by fast curing of unsaturated resin; and adhesives are usually made of modified epoxy resin. Unsaturated resin planting rubber has great safety hazards to the structure. 2, the planting bar can match different specifications of the screw; and the chemical anchor ... read more
1 .anchor bolt production quality problems: Including (the anchor bolt material; hydrogen embrittlement, cracks, internal defects and other problems lead to fracture; the rod anti-corrosion coating does not meet the requirements of use leading to rust; the exposed part is not effectively anti-corros... read more