
jwell News

2026-07-24
PVC Profile Extrusion Line: Complete Buyer’s Guide
A PVC profile extrusion line is a long-term production system, not simply an extruder with a die. The wrong configuration can create unstable dimensions, weak weld corners, excessive scrap or...

2026-07-24
WPC & PVC Foam Board Extrusion Line Manufacturing and Process Guide
A PVC foam board extrusion line converts a carefully prepared dry blend into a rigid, lightweight board with controlled density, thickness and surface quality. When wood flour is added, the...

2026-07-17
Multilayer Film Extrusion Line Selection Guide: 3, 5, 7, 9 or 11 Layers?
More layers can provide more freedom to distribute sealant, structural, barrier, tie and recycled materials, but every added extruder and flow channel increases capital cost, control complexity, cleaning time and...

2026-07-10
How to Choose a Pulp Molding Production Line: Buyer’s Guide
Choose a pulp molding line by product and drying method. Egg trays and protective packaging typically use transfer molding with separate hot-air drying, while premium tableware requires heated in-mold pressing,...

2026-07-03
EVA vs POE vs EPE Solar Encapsulation Film: How to Choose
Choose EVA for proven, cost-focused modules; POE for stronger moisture barrier, electrical insulation and PID resistance; and EPE for a balance of EVA adhesion and POE protection. In photovoltaics, EPE...

2026-06-28
Types of Blow Molding Machine: Guide to Technology and Applications
The three main types of blow molding machines are Extrusion Blow Molding (EBM), Injection Blow Molding (IBM), and Stretch Blow Molding (SBM), each designed for different production needs and product types. Each...

2026-06-22
TPU Extrusion Line: Working Mechanism and Output Quality Factors
Extrusion line controls thickness, surface quality, bonding strength, output stability, and final product consistency. TPU is valued for its elasticity, abrasion resistance, chemical resistance, and broad hardness range. It is...

2026-06-18
Spinning Machine for Medical Fiber & Nonwoven Applications
Medical fiber and nonwoven lines demand uninterrupted production, consistent quality, and adaptability to gowns, drapes, curtains, and hygiene products. If you are choosing a spinning machine, you should ask, “Can...

2026-06-15
Mechanical Principle of Extruder: Fundamentals, Types, and Process Insights
An extruder uses a rotating screw in a heated barrel to melt and push plastic through a die. This article introduces the core principles that make extrusion work, the key...

2026-06-10
PVC Extrusion vs. PO Extrusion: Material Selection Guide for Medical & Industrial Tubing Manufacturers
For medical and industrial tubing manufacturers, the choice between PVC extrusion and PO extrusion affects product performance, regulatory fit, processing stability, equipment configuration, and long-term production cost. In practical terms,...

2026-05-28
Extrusion Troubleshooting: Root Causes & Expert Engineering Solutions
Most extrusion issues come from interactions between material properties, equipment setup, and process conditions. Small changes in temperature, pressure, or feed rate can create defects that appear later in production. This guide introduces...

2026-05-25
Wall Thickness Uniformity in Blow Molding: Key Factors and Precision Strategies
Uneven walls cause weak spots, wasted material, and poor quality products. You can control wall thickness uniformity by managing parison temperature, air pressure timing, stretch rod positioning, and mold design. You'll...