Product Name: PVC Welding Rod, Plastic Welding Rod; Polyvinyl Chloride Welding Rod
1. Manufacturing process and workflow:
1. Raw material: polyvinyl chloride resin;
2. Process: Extrusion process;
3. Process: Mixing - Feeding - Heating and Plasticizing - Extrusion Molding - Cooling - Cutting - Packaging;
4. Packaging: Packed in PE woven bags; each bag weighs 5.0±0.5KG;
II. Appearance and Color:
Common color: same as PVC board color;
III. Specifications:
1. Length: Typically 1.2 meters;
2. Common specifications (thickness in mm):
Single strand (single wire): 2.0, 3.0;
Double strand (double yarn/double connection): 2.5, 2.8, 3.0;
Three strands (three threads/three connections): 2.5, 2.8, 3.0;
IV. Physical properties:
1. Density: 1.5g/cm3;
2. Softening point of microcapsules ≥ 80℃; melting point: 120℃;
3. Flame retardant coefficient: UL-94 vertical burning standard V0 level;
V. Corrosion resistance: It can resist general acidic, alkaline, and saline solutions, such as sulfuric acid, hydrochloric acid, nitric acid, hydrofluoric acid, sodium hydroxide solution, etc.; it cannot withstand chromic acid;
VI. Food Contact Performance: Non-food grade material, not suitable for direct contact with food, drugs, etc;
VII. Product Features:
1. Excellent corrosion resistance;
2. Excellent chemical stability and good electrical insulation performance;
3. Excellent welding performance;
VIII. Processing performance:
1. Processing method: hot-melt welding;
2. Processing tools: hot air welding gun and welding machine dedicated for plastic welding;
IX. Product Usage:
This product is used as a PVC welding material, primarily for welding PVC plates, pipes, and profiles, as well as for welding and manufacturing various plastic equipment, anti-corrosion projects, and environmental protection equipment;



