Improving Cutting and Layering Workability: Fray-Free and Shift-Resistant "Glass Cloth Dot"
Proprietary dot coating transforms the common sense of glass cloth. Suppressing fraying and weave misalignment to achieve both dramatic efficiency in layering processes and high-quality results.
Nittobo’s "Glass Cloth Dot" is an innovative new material featuring a uniform dot-pattern coating of hot-melt resin on the surface of glass cloth. It significantly suppresses "fraying," "weave misalignment," and the generation of "glass fuzz (dust)" during cutting and processing—common challenges with conventional glass cloth. This reduces the burden on operators and contributes to maintaining a clean working environment. The most significant feature is its self-adhesive function via heating. This prevents shifting during the layering process and makes shaping to the mold easier, strongly supporting shorter working times and labor savings. The amount and spacing of the hot-melt material can be optimally adjusted according to the application. This ensures product quality stability and improved impact resistance without compromising resin impregnation. It provides the ideal solution for modern composite molding sites where productivity improvements and advanced quality are required.
basic information
[Basic Structure] ・Glass cloth substrate + Hot-melt resin (Dot-pattern coating). [Key Features] ・Low Dust Generation: Suppresses fuzzing and the scattering of glass powder during processing, contributing to environmental improvement. ・Shape Stability: Prevents fraying during cutting and weave misalignment during handling. ・Thermal Adhesion: Easy temporary fixing and layering through localized heating (e.g., using an iron). ・Shaping & Impregnation: Excellent conformability to complex shapes without hindering resin impregnation during molding. [Customization Options] ・Hot-melt Adjustment: Optimization of dot size, spacing, and application amount according to the application. ・Substrate Selection: Combinations with various glass cloths (different weights and weave patterns). [Product Form] ・Provided in roll form.
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Applications/Examples of results
[Manufacturing & Processing] ・FRP/CFRTP Molding: Temporary fixing during preform fabrication and the placement/layering process in complex molds. ・Automated Layering & Cutting: Prevention of fraying in automated cutting machines and stabilization of robotic handling. [Product Fields] ・Industrial Structural Materials: Reinforcement components requiring high dimensional accuracy and stable quality. [Benefits of Adoption] ・Rationalization & Labor Saving: Significant increase in work efficiency by simplifying tedious layering processes. ・Cost Reduction: Reducing processing loss (such as frayed scraps) and controlling total costs through efficient hot-melt application. ・Quality Improvement: Uniform coating suppresses internal defects in molded products, ensuring stable strength.
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[Notice] We will be exhibiting at the "1st Advanced Materials Exhibition"!
We will be exhibiting at the "1st High-Performance Materials Exhibition" (Booth Number: 22-44) held at Makuhari Messe. We will propose solutions to the challenges of "lightweighting," "high functionality," "process simplification," and "environmental compatibility" across a wide range of industries. ■ Main Exhibits ● High-Strength Thin GFRP → Achieves significant weight reduction and insulation through metal alternatives. Equipped with high impact resistance, corrosion resistance, and radio wave permeability, contributing to the lightweighting of various components. ● Low Dielectric Glass Cloth → Features low dielectric properties (Low Dk/Df) with minimal transmission loss, contributing to improved communication quality and enhanced sensing accuracy for millimeter-wave radar and other applications. ● Multifunctional Coating "D-ALIGNⓇ" → Our unique processing technology that applies dot coating while maintaining the substrate's breathability and flexibility, imparting various functions such as deodorization and adhesion. ● One-Component Room Temperature Curing Hard Coat Material "SSG CoatⓇ" → Cures at room temperature and adheres to various materials without the need for heating or UV equipment. Simplifies work processes while providing high scratch resistance and stain resistance. ● Recycled (PCR) Glass Fiber → Utilizes glass from used solar panels, contributing to the realization of a circular economy while maintaining conventional reinforcement performance. We sincerely look forward to your visit.
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[Announcement] We will be exhibiting at the "Automotive Technology Exhibition 2026 NAGOYA"!
We will be exhibiting at the "Automotive Technology Exhibition 2026 NAGOYA" (Booth Number: 312) held at Aichi Sky Expo (Aichi Prefectural International Exhibition Center). At our booth, we will propose our unique fiberglass products and technologies that address the challenges of next-generation mobility development, such as electrification, lightweighting, and multi-materials in automobiles. ■ Main Exhibits ● High-Strength Thin-Walled GFRP → Achieves significant weight reduction and insulation through metal substitution. It also possesses non-combustibility and corrosion resistance, contributing to extended EV range and improved safety. ● Thermoplastic Woven Fabric → Excellent in impregnation and deep drawing during molding, making it ideal for complex shapes required in EV battery peripheral components. ● Dot Coating Technology → Our unique processing technology that enhances molding efficiency through hot melt application while maintaining the inherent breathability and flexibility of the substrate, adding various functions such as deodorization and antibacterial properties. ● Low Dielectric Glass Fabric → Features low dielectric properties (Low Dk/Df) with minimal transmission loss, contributing to improved communication environments and sensing accuracy for ADAS and autonomous driving. We sincerely look forward to your visit.
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[Notice] We will be exhibiting at the "Automotive Technology Exhibition 2026 YOKOHAMA"!
We will be exhibiting at the "Automotive Engineering Exposition 2026 YOKOHAMA" (Booth No. 299) held at Pacifico Yokohama starting tomorrow. At our booth, we will present our unique fiberglass products that address the challenges of next-generation mobility development, such as electrification, lightweighting, and multi-materialization of automobiles. ■Main Exhibits ● High-Strength Thin GFRP → Achieves significant weight reduction and insulation through metal replacement. It also possesses non-combustibility and corrosion resistance, contributing to extended EV range and improved safety. ● Thermoplastic Woven Fabric → Excellent in impregnation and deep drawing during molding, making it ideal for complex shapes required in EV battery peripheral components. ● Dot Coating Technology → Our unique processing technology that enhances molding efficiency through hot melt application while maintaining the inherent breathability and flexibility of the substrate, adding various functions such as deodorization and antibacterial properties. ● Low Dielectric Glass Fabric → Features low dielectric properties (Low Dk/Df) with minimal transmission loss, contributing to improved communication environments and sensing accuracy for ADAS and autonomous driving. Through these advanced materials, we will support the evolution of next-generation vehicles. We sincerely look forward to your visit.
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Nittobo Group: Creating a Healthy and Comfortable Future The Nittobo Group is dedicated to enhancing social value and contributing to a prosperous society. Under our long-term vision, "Big VISION 2030," we strive to be a Global Niche No. 1 provider in "Environment & Energy," "Digitalization," and "Health & Safety." Combining a century of expertise in glass fiber, functional chemicals, and textiles, we serve as the best partner for our customers' product development.