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.

Two Structures of Large-panel Insulating Glass Production Line -

Комбинация внутреннего прессинга против комбинации внешнего прессинга

LIJIANG Glass использует функцию прессования внутренней панели, которая позволяет осуществлять одновременное прессование и надувание двух частей изоляционного стекла, что эффективно повышает производительность; Другие поставщики обычно используют функцию нажатия внешней панели. Прежде чем стекло попадет в секцию прессования пластин линии по производству изоляционного стекла, стекло необходимо сначала спрессовать, при этом производительность снижается.

Одноразовая формовка листовым прессом VS Многопластинчатая штамповка

Компания LIJIANG Glass специально разработала две секции прессования пластин, которые позволяют осуществлять однократное прессование пластин крупнопанельного изоляционного стекла; Другие поставщики обычно проектируют только одну секцию прессования пластин, и им приходится несколько раз прессовать большие пластины изоляционного стекла, прежде чем стеклам можно будет придать форму.