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The correct choice of door and window glue

The correct choice of door and window glue

In the previous issue of “Baiyun Online”, the Baiyun Chemical Expert Group introduced the relevant standards for door and window adhesives. I believe that we have a certain understanding of the standard of door and window adhesives. When choosing doors and windows adhesives, we will first choose the products that meet the standards. At present, there are many brands and brands of door and window adhesives in the market, and the quality of products is uneven. How do users choose the correct products? This issue of Baiyun Online brings you share.

1, the use of doors and windows glue

Door and window adhesives are mainly used to seal joints between window glass and window frames, and seal joints between windows and doors and outer walls to ensure the airtightness and watertightness of doors and windows. Once the door and window adhesive fails to seal, it will lead to leaks in the doors and windows, seriously affecting the normal use of the user.

 

 

Fig. 1 Doors and Windows Leaking due to Failed Sealing of Doors and Windows

 

2, the principle of selection of doors and windows glue

1) Choose quality guaranteed door and window glue

The glue and quality of doors and windows on the market are uneven, some are very cheap, and prices are only half that of similar famous products, and even lower. The physical properties and anti-aging properties of these low-priced inferior door and window adhesives cannot meet the long service life of doors and windows. At the same time, the quality accidents caused by low-quality and inferior door and window glue may cause customers to pay several times or even dozens of times to purchase plastics, and even cause serious social impact and damage the credibility of the company. Here, we suggest that users must use quality assured door and window glue.

How to choose quality guaranteed door and window glue? The quality of doors and windows glue is related to the quality of raw materials, formula composition, production process, quality control system and other factors. Here, users are advised to understand the focus on manufacturers' research and development capabilities, testing levels, production processes, production equipment, and quality control systems.

2) Resolutely refused to "oil-filled rubber"

At present, domestic door and window adhesives are mainly based on silicone sealants, and a large part of the low-cost and low-quality silicone sealants on the market are produced through the extensive use of various alkane plasticizers (white oil, liquid paraffin, collectively referred to as mineral oil). ) Replaces expensive silicone base polymers to reduce costs, commonly referred to as "oil-extended glue." They usually attract customers at a low price. The price is very cheap, and they don't show any problems when they are first used. However, after a few months to six months, the problems of these products will gradually appear, cracking, powdering, hardening, flowing oil, etc. Problems, bring great trouble to customers and serious losses!

 

 

Fig. 2 Invalidation of Insulating Glass in Doors and Windows Caused by Oil-filled Doors and Windows

 

 

Fig. 3 Window cracking phenomenon

 

How can we quickly identify doors and windows glue "oil-filled" it? The Baiyun Chemical Expert Group hereby shares a quick and easy identification method. The door and window glue are glued on the plastic film. After the window and door glue are cured for a period of time, the sealant filled with mineral oil will shrink the plastic film paper; if the amount of the mineral oil filled with the sealant is larger, the plastic film shrinks. The shorter it will be, the more pronounced the shrinkage phenomenon.

 

 

Figure 4 Oil-filled door and window glue shrinks the plastic film

 

 

Fig. 5 The plastic film without glue is still flat

 

Through the above introduction, I believe we will choose the door and window glue will have a reputation, quality guaranteed door and window plastic brand products, refused to use inferior mineral oil filled products, we work together to provide more guarantees for the quality of doors and windows!