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Industrial Services

Standardized Operation Reduces Equipment Damage |Detailed Guide to the Use and Maintenance of Laboratory Single-Screw ExtruderI. How to Install and Commission a Single-Screw Extruder?(1) In additio...

The traditional LDPE and EVA packaging film market has long been mired in intense price competition, with transparent raw material costs and razor‑thin margins. Many film processors, R&D institutio...

On this occasion of our 17th************ celebration, we extend our sincerest gratitude to all who have walked alongside us. May we continue to join hands, building bridges through technology and l...

Thank you to our amazing team and all the friends we met along the way.See you next year in Shenzhen!

CHINAPLAS 2026 will be grandly held at the National Exhibition and Convention Center (Shanghai · Hongqiao) from April 21 to 24, 2026. As the weathervane of the global plastics and rubber industry, ...

Ruplastica 2026 (29th Russian International Plastic and Rubber Exhibition), at Crocus Expo International Convention and Exhibition Center,Moscow, Russia, January 27-30, 2026

POTOP Filter Pressure Tester Shipped to VietnamIn October 2025, a customer in Vietnam inquired about our filter pressure tester. After two days of efficient communication, the customer confirmed th...

The three-day 2025 Japan International Plastics Exhibition (PLASTIC JAPAN) concluded successfully. At this exhibition, POTOP Co., Ltd.'s booth was located in Hall 3 Materials, Booth No. 17-31. Guan...

Standardized Operation Reduces Equipment Damage |Detailed Guide to the Use and Maintenance of Laboratory Single-Screw ExtruderI. How to Install and Commission a Single-Screw Extruder?(1) In additio...

The traditional LDPE and EVA packaging film market has long been mired in intense price competition, with transparent raw material costs and razor‑thin margins. Many film processors, R&D institutio...

Driven by global plastic‑restriction policies and the ongoing shift toward green materials, PVA (polyvinyl alcohol) cast film—fully water‑soluble,   highly  barrier‑effective ,  and environmentally...

EVA, PVA, PVOH, and EVOH are all polymer materials closely related to vinyl acetate monomer (VAM), but they differ significantly in chemical structure, synthesis pathways, and core properties. The ...

1. Screw Outer Diameter DsIt defines the specification of an extruder and roughly indicates its output capacity. Extruders with larger-diameter screws are selected for products with large cross-sec...

This is the 2026 newly launched RTOI-06/02 torque rheometer from POTOP   available for direct spot sales. It features a 55ml mixing chamber that requires minimal test material, with easily detachab...

Selection Guide for Laboratory Film Extrusion Screws: Equipment Accounts for 30% and Screws 70% — Plasticization Quality Determines Film Performance LimitsThe screw is known as the "heart" of an ex...

This troubleshooting guide suggests a means for overcoming common problems that occur in the blown film extrusion process. Extrusion FluctuationInconsistent output rate resulting in process instabi...

POTOP Small Three-Layer Blown Film Machine FBCL-20/03 consists of three Φ20mm single-screw extruders, a three-layer co-extrusion die head (ABC three-layer spiral flow channel, layer ratio: 1:1:1), ...

The Laboratory Single Screw Extruder MESI-25/28, designed and manufactured by POTOP Co., Ltd.,  is primarily composed of a drive assembly, extrusion assembly, melt measurement system, safety protec...