Industry News

When you design load-bearing composite panels, you need a high-strength, cross-linked PVC foam core. This closed-cell material effortlessly handles heavy shear, bending, and compression forces. Conversely, you use standard PVC foam board—an un-cross-linked, heavily filled plastic sheet—strictly for

Discover the engineering mechanics behind the composite sandwich panel structure. Learn how separating high-strength outer skins with a lightweight PVC foam core maximizes bending stiffness and delivers an exceptional strength-to-weight ratio for marine, wind energy, and industrial applications without compromising structural stability.

This article explores the strategic advantages of pairing PVC foam core with carbon fiber in wind turbine blade manufacturing. Highlighting UNION’s StruCell® PVC Foam Core, the post details how the material's closed-cell structure delivers an exceptional strength-to-weight ratio, ultra-low resin absorption (<1.5%), and outstanding fatigue resistance. By integrating PVC foam core, manufacturers can significantly enhance aerodynamic efficiency and environmental durability while reducing both blade weight and overall production costs by up to 30%. Backed by DNV GL, ISO 9001, and ASTM certifications, PVC foam core proves to be a reliable, cost-effective, and high-performance solution for modern wind energy projects.

Selecting the right core material is critical for advanced marine composite manufacturing. This article explores the essential parameters engineers verify when choosing a DNV certified marine structural foam, highlighting how rigorous testing, chemical compatibility, and precise density control reduce risks and ensure predictable lamination performance in modern shipbuilding.

Selecting the right PVC Foam Core for vacuum infusion is critical for achieving lightweight, high-strength, and cost-effective composite structures. Success depends on five decisive factors: optimized density (45–250 kg/m³), ultra-high closed-cell content (>95%), minimal resin absorption, exceptional CNC machining tolerance (±0.2mm), and trusted certifications such as DNV-GL. When these elements are properly optimized, PVC Foam Core delivers superior mechanical performance, reduced material costs, and repeatable quality across marine, wind energy, automotive, and drone applications.

Perforated PVC Foam Core sheets are engineered to optimize resin distribution and mechanical interlocking in sandwich panel composites. By creating controlled vertical channels through the closed-cell structure, they ensure superior wet-out, minimize voids, accelerate infusion cycles, and improve overall bond strength. This article examines the science behind different perforation patterns, important performance trade-offs, practical implementation guidance, and proven real-world performance across marine, wind energy, automotive, and drone applications.

Maximize your vacuum infusion efficiency with grooved and perforated PVC Foam Core. This technical guide explores the engineering behind CNC-machined flow channels, detailing how they accelerate resin distribution, improve interlaminar shear strength, and reduce cycle times. Learn how to navigate the crucial trade-offs between core density and resin uptake when specifying materials for high-performance marine and wind energy composites.

PVC Foam Core water absorption significantly impacts component weight stability, skin-to-core bond durability, and long-term lifecycle cost in marine, wind energy, automotive, and industrial composite structures. This technical article explains the science behind ultra-low moisture uptake, focusing on ultra-high closed-cell content (>95%), microcellular structure, density effects, and precision manufacturing. It details standardized testing per ASTM D2842, recommended performance limits (<1.5%), and practical guidance for engineers on material selection and specification to ensure reliability in demanding environments.

Choosing the right core material is critical for advanced composite manufacturing. This technical guide explores the essential specifications of closed cell PVC foam core—such as density, microcellular structure, resin uptake, and industry certifications—and explains how these factors directly impact the weight, cost, and structural integrity of marine, wind energy, and aerospace applications.

A sandwich panel that misses its weight target is rarely “mysterious.” More often, the culprit is simple: the core density was chosen like a catalog checkbox instead of as a design variable tied to shear, peel, fatigue, water resistance, and resin uptake.A pvc foam core density chart is the fastest