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 Machine

Automatic Insulating Glass Series Equipment

Intelligent Glass Storage and Sorting System

GLASS FILM APPLICATOR (Asia's First)

Automatic Insulating Glass Production Line

Automatic Glass Washing and Drying Machine

Automatic Aluminum Spacer Strips Bending Machine

Insulating Glass Butyl Extruder Coating Machine

Automatic Insulating Glass Sealing Robot Machine

Vertical Low-E Glass Edge Deleting Machine

Cantilever Crane Vacuum Glass Lifter Equipment

Insulating Glass Desiccant Filling Machine

Insulating Glass Sealant Gun Freezer

Insulating Glass Argon-gas Filling Machine

Manual Insulating Glass Processing Equipment

Auto Glass Cutter + Loading Table

Glassinspector

PVB SGP Laminating Glass Production Line

Who We Are

More Succeed Cases And Glass International Exhibitions

Even in a fiercely competitive market environment, LIJIANG Glass never ask our clients to judge on those succeed cases, just ask our clients to judge us on those failure cases because we have so few...

More Glass Process Fairs and Exhibitions

Feature Stories & Articles

High-Quality Automatic Glass Machinery Spare Parts & Accessories

Contact Us