1.material selection
The company has professional ingredients master, selected raw materials are not adulterated, carefully with qualified raw materials.
2. entangled spheres
As a labor-intensive stage, this stage determines the appearance and internal structure of single-sphere rubber joints, the combination of multi-layer rubber and multi-layer cord fabric, which makes double bellow rubber expansion joint can withstand greater pressure and good deformation, and then can make its life in pipeline connection longer.
3. Vulcanization of Rubber Joints
| Product Name | Double bellow rubber expansion joint |
| Rubber Material | NR EPDM NBR Neoprene |
| Flange Material | Stainless steel or Carbon steel Galvanized |
| Packing | Packing of rubber expansion joints: We have a strict process for packing.After checking the products meet the requirements, we will use plastic film packaging, then pack them into cartons, and finally pack them into export wooden case |
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