Product Name: PP Welding Rod, Plastic Welding Rod, Polypropylene Plate Welding Rod
1. Manufacturing process and flow:
1. Raw material: polypropylene (PP) granules;
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 PP board color;
III. Specifications:
1. Length: Typically 1.3 meters, or in the shape of a disc with a diameter of approximately 28cm and a height of about 10cm;
2. Common specifications (thickness in mm):
Single strand (single wire): 2.0, 2.5, 2.8, 3.0, 4.0;
Double strand (double yarn/double strand): 2.0, 2.5, 2.8, 3.0;
Three strands (three threads/triplex): 2.5, 3.0;
Triangles: 3x5, 4x6, 3x6;
IV. Physical properties:
1. Density: 0.91g/cm3;
2. The softening point of microcapsules is ≥140℃; the melting point is 170℃;
3. Flame retardant coefficient: UL-94 vertical burning standard V0 level;
4. Rockwell hardness: 70 degrees;
V. Corrosion resistance: It is suitable for general acidic, alkaline, saline, and organic solvents (especially reactive solvents), but it can be corroded by chemical substances such as chlorine-containing solvents, aliphatic hydrocarbons, and aromatic hydrocarbons. It is not suitable for concentrated nitric acid, chromic acid, etc;
VI. Food Contact Performance: Food-grade material, 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;
8. Processing performance:
1. Processing method: hot-melt welding;
2. Processing tools: dedicated hot air welding gun and welding machine for plastic welding;
IX. Product Usage:
This product is used as a PP welding material, primarily for welding PP plates, pipes, and profiles, as well as for welding and manufacturing various plastic equipment, anti-corrosion projects, and environmental protection equipment;



