Why do IG units have sealant leakage?

Sealant leakage is usually caused by incorrect sealant temperature or viscosity, poor spacer bending accuracy, glass size deviation, surface contamination, or unstable 2K sealing ratios.

How can I prevent sealant leakage in insulated glass units?

Maintain correct sealant temperature, ensure precise spacer bending, keep glass surfaces clean, use stable A/B sealant ratios, and consider using an automatic sealing robot for consistent quality.

Can equipment problems cause IG sealant leakage?

Yes. Butyl extruder temperature errors, 2K sealant mixing issues, worn nozzles, and inconsistent machine pressure can all lead to poor sealing performance and leakage.

Does manual sealing increase the risk of leakage?

Manual sealing often leads to uneven sealant lines and inconsistent corner filling. Using an automatic IG sealing robot significantly reduces leakage and improves product stability.

What is the best long-term solution for reducing IG sealant defects?

Investing in automated equipment—such as an IG sealing robot, automatic spacer bending machine, and calibrated 2K sealant pump—offers the most consistent and long-term solution to eliminate sealing problems.

Is LIJIANG Glass a factory or a trading company?

LIJIANG Glass is a professional manufacturer specializing in glass machinery and insulating glass production lines. We design, produce, and assemble equipment in our own factory to ensure strict quality control and efficient delivery.

What is the delivery time for your glass machinery?

Normally, the delivery time is 15–20 working days after receiving the deposit. For standard models, we usually have stock in the factory. If you have urgent requirements, we can arrange priority production.

What payment methods do you accept?

We accept common international payment methods including T/T (bank transfer), L/C, and other negotiable terms depending on the order volume and customer region.

How does LIJIANG Glass provide after-sales service?

We provide full technical support after delivery, including online troubleshooting, installation guidance, video assistance, and on-site service if necessary. Our engineers ensure smooth operation and long-term maintenance support for every customer.

Can LIJIANG Glass customize glass machinery?

Yes, we can customize glass processing equipment according to your factory layout, glass size, and production requirements. Our design team provides tailored solutions to optimize efficiency and cost performance.

LIJIANG Glass présentera un applicateur automatique de film protecteur pour vitres au salon FENESTRATION BAU China 2025

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LIJIANG Glass , fabricant professionnel de machines pour vitrages isolants et d'équipements de traitement automatique du verre , est fier d'annoncer sa participation au salon FENESTRATION BAU China 2025 , qui se tiendra du 5 au 8 novembre 2025 au Shanghai New International Expo Centre (2345 Longyang Road, Pudong, Shanghai) . Retrouvez LIJIANG Glass sur le stand E1.605 . À cette occasion, LIJIANG Glass présentera son nouvel applicateur automatique de film protecteur pour vitrages : une solution haute performance conçue pour appliquer des films protecteurs avec précision et propreté sur les vitrages architecturaux et isolants. Cette machine est dotée d' un positionnement automatique, d'un contrôle de la tension du film et d'une interface utilisateur intelligente , permettant aux fabricants de verre de réaliser des économies de main-d'œuvre et de réduire les dommages aux surfaces lors du transport et de l'installation. Forte de plus de 30 ans d'expertise dans les technologies d'automatisation du verre, LIJIANG Glass continue d'innover dans le domaine des lignes de production de verre intelligentes , offrant à ses clients des solutions de fabrication efficaces, stables et durables. Nous invitons chaleureusement tous les partenaires et professionnels à venir découvrir LIJIANG Glass sur le stand E1.605 lors du salon FENESTRATION BAU China 2025 et à découvrir la nouvelle génération d'équipements de protection automatique du verre.

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