Significantly reduced troubles, high-quality SMC: Good dispersion roving for SMC
Outstanding running performance with suppressed fluff and loops. Nitto Boseki's Rov-master achieves uniform dispersion and high-speed impregnation, perfecting SMC quality.
Nitto Bo's "Rov-master for SMC" is a high-quality glass fiber roving developed to significantly reduce troubles and improve quality during the manufacturing of SMC (Sheet Molding Compound). Its most notable feature is its uniform structure, which minimizes the occurrence of "loops" in the yarn and "fuzzing" during fiber separation, issues that were common with conventional rovings. It prevents problems such as yarn breakage and fuzz clogging during the process, achieving stable continuous running performance. Furthermore, the glass fiber strands remain uniformly dispersed (good dispersion) after cutting, greatly enhancing their impregnation into the matrix resin. This prevents defects such as uneven resin penetration and internal voids, thereby improving the strength and appearance of the products. It is a highly reliable product that has already been launched, strongly supporting high-cycle molding in SMC manufacturing and contributing to improved yield and total cost reduction.
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basic information
【Basic Structure】 - Product Type: FRP (for SMC manufacturing) glass fiber roving (Assembled Roving). - Technical Features: Loop-free and low fuzz design with uniform strands. - Status: Marketed (currently for sale). 【Main Functions and Characteristics】 - Workability: Significantly reduces fuzz generation, preventing snagging in the yarn path and manufacturing troubles. - Dispersion: Strand length and thickness are uniform after chopping, expanding into a consistent non-woven sheet. - Impregnation: Achieves fast and uniform resin impregnation due to excellent glass dispersion. - Quality Improvement: Greatly reduces molding defects such as bubbles and areas of unimpregnated resin, lowering variability in mechanical properties. 【Product Form】 - Roving cheese compatible with internal/external extraction (wound body).
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Applications/Examples of results
It is utilized in the SMC manufacturing process, which requires high reliability and production efficiency. ● Main application areas 【Automotive sector】: Exterior and structural SMC molded products such as bumpers, door inners, rear gates, and undercovers (achieving both high strength and surface smoothness while reducing weight). 【Residential equipment sector】: Unit baths, waterproof pans, washbasins, and septic tanks that require systematic waterproofing and water resistance (preventing water leakage and cracking defects due to resin non-impregnation). 【Industrial and infrastructure components】: Large SMC molded products that require high molding cycles and stable physical properties. ● Effects of implementation - It simultaneously solves challenges such as "wanting to reduce downtime due to fluff cleaning on the SMC manufacturing line" and "wanting to lower the molding defect rate (non-conforming products) due to impregnation failures." - By achieving uniform resin impregnation, it enables a reduction in cycle time for the molding process (high cycle capability), contributing to significant reductions in manufacturing costs.
Company information
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.
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