Langbo Machinery High-Quality PVC Corner Bead with Fiberglass Mesh Extrusion Machine Line for Wall Protection

Langbo Machinery produces High-Quality PVC Corner Bead with Fiberglass Mesh Extrusion Machine

ZHANGJIAGANG LANGBO MACHINERY CO., LTD. (established 2012) has launched an upgraded high-quality PVC corner bead with fiberglass mesh extrusion machine line, designed for drywall and plastering contractors, building material distributors and PVC profile manufacturers who need straight, crack-free and paint-ready corner reinforcement at industrial output. The line combines a conical twin screw extruder, precision calibration, a two-track haul-off and an automatic cutting and stacking unit, so the complete corner bead profile — rigid PVC body plus embedded fiberglass mesh — is produced in one continuous, stable process.

Why PVC Corner Bead with Fiberglass Mesh Is in Demand

Corner bead with fiberglass mesh is one of the fastest-moving accessories in interior finishing. It protects the most fragile part of any wall while giving plaster and joint compound a straight, sharp edge to follow. Compared with metal beads, the PVC version will not rust, will not dent under impact, and cuts with ordinary snips on site, which keeps installation fast and labour cost low.

• Rust and alkali resistant — fully suited to cement, gypsum and lime based plasters.
• Impact absorbing — flexible PVC body returns to shape instead of leaving a permanent dent.
• Strong mesh bonding — the fiberglass mesh is fused into the profile during extrusion, not glued afterwards, so it cannot peel off.
• Straight, uniform edges — consistent wall thickness and true 90° geometry reduce rework on site.
• Low maintenance cost — PVC offers outstanding insulation for heat and noise and needs no protective coating.

Machine Highlights of the Langbo Corner Bead Line

• Conical twin screw extruder with gentle, homogeneous plastification for high flexibility in raw material combinations, including lead-based and lead-free stabilizer systems.
• Air cooled barrel and AC motors for low energy consumption and stable long-run temperature control.
• Colour touch screen control panel — one operator can set, monitor and record all process parameters.
• Vacuum calibration table that locks the corner bead geometry and the mesh position before cooling.
• Two independent track haul-offs for straight pulling without distortion, followed by a saw cutter and automatic stacker.
• Customized mould for the exact bead size, mesh width and wing perforation pattern required by your market.

Technical Specifications

Reference configuration for the PVC corner bead application: model LB-1240, 55 kW main motor, conical twin screw extruder, 350 kg/h capacity, two independent haul-off tracks, CE and ISO certified, origin Zhangjiagang, China.

Complete Line Configuration

1. Screw feeder
2. Conical twin screw extruder (SJSZ series)
3. Extrusion die / mould for corner bead profile
4. Vacuum calibration table
5. Two-track haul-off machine
6. Saw cutter
7. Automatic stacker

Ordering, Delivery and Support

About Langbo Machinery

ZHANGJIAGANG LANGBO MACHINERY CO., LTD. specializes in plastic extrusion and recycling machinery, with 100 to 150 employees, an annual sales value of 4 to 7 million USD and 80 to 90 percent of output exported to Europe, Canada, Turkey, England, Romania, Iran, Ukraine, Tunisia, Algeria and other markets. Our portfolio covers PVC, HDPE and PPR pipe extrusion lines, PVC profile lines, plastic pelletizing systems, PET recycling lines, PP/PE washing lines and pipe belling machines. The company motto remains: customer first, reputation priceless, excellent quality, considerable service.

To discuss your corner bead width, mesh specification and target output, contact the Langbo technical team for a customized production solution and a working video of the line running on your profile design.