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As the main raw material of MS sealant, Ms polymer was developed by Japan Zhonghua in 1972. In 1978, as a high-performance construction sealant, Kaneka MS sealant (Zhonghua MS sealant) was formally born in Japan.
With more than 40 years of practical use history, especially the two-component MS sealant with good operability has become the mainstream of PC building materials in Japan.
Here are the construction points of two-component sealant which is not widely known in China. Using the advantages of two components to carry out reasonable construction can significantly improve the construction amount and reduce the loss of the material itself, so as to achieve the purpose of reducing the cost.
1 joint cleaning: it is an essential step to improve the adhesion and the beauty of sealant.
Two
If foam rods need to be filled, the foam rods that conform to the joint shape should be used, and tools should be used to ensure the depth of the joints and seamless filling. Paste the masking paper to prevent the sealant from polluting the wall around the joint. Compared with cleaning after sealant construction, the efficiency of using masking paper is higher.
Three
In order to carry out the construction more effectively, it is necessary for the team to divide the work.
Four
Coating primer: the primer is a necessary process to achieve good adhesiveness and give it water tightness and air tightness. In order to improve adhesion, primer is indispensable. If necessary, Zhonghua company can also provide matching primer on the basis of providing polymer raw materials. In this step, according to the construction situation, the work division within the team can be carried out to improve the construction efficiency.
Five
MS two-component mixing: using the professional mixer of two-component sealant, it can easily mix the main agent, curing agent and color package.
Six
Glue gun suction: use professional glue gun for glue suction.
Seven
Gluing: the special glue gun for two-component sealant is used for gluing. After being proficient, it can be easily glued compared with the single component glue gun, and it does not need to change the packaging frequently like the single component material, which can achieve the purpose of saving time.
Eight
Completion and closing: it is required to make tools meeting the joint on the spot, and finish the flat or concave joint according to the requirements.
For more details, click:
Japan MS two component sealant construction process (above), waterproof https://v.douyin.com/3prbqA/ copy this link, open [tiktok short video], watch the video directly!
Construction process of MS two-component sealant in Japan (below) construction technology, waterproof and https://v.douyin.com/3pSrnD/ copy this link, open [tiktok short video], watch the video directly!
Nine
Recovery of loss materials: the loss materials generated after completion can be recovered and reused within the effective time, which can greatly reduce the loss rate. For single component materials, the rubbers scraped off when the surface has begun to cure should be discarded as losses. If they are used again, it will lead to poor curing, so that the sealant can not play its original role and eventually lead to water leakage, and at the same time, there are aesthetic defects, so the single component cannot use the recycled materials again. However, the two-component curing method is different from that of the single component, as long as the effective time, all the recycled materials can be reused.
Ten
Remove masking paper: when you post masking paper, you also need to consider the removal conditions, so that you can simply remove masking paper. After the masking paper is removed, confirm the finished state and whether the joint is polluted. After confirming that there is no problem, the construction is completed. Even if there is a problem, it can be repaired again due to the long operation time of the two components.
Eleven
Cleaning tools: after operation, use solvent to clean the tools. For example, if the video is ready, the container for cleaning can be cleaned simply.
Only through strict management, reasonable waterproof design + excellent materials + good construction, can we achieve a secure and safe building and protect the building from rain.
In order to achieve the goal of safe construction, Zhonghua Shanghai not only provides technical support for materials, but also employs well-known Japanese sealant construction enterprises to come to China to provide waterproof design scheme, construction management support, etc. that meet the needs of each project, and provide all-round and full industrial chain services.
I hope to contribute to China's prefabricated buildings, and I hope to work with all practitioners in the industry to achieve safe and secure buildings.
Zhonghua Trading (Shanghai) Co., Ltd
Contact: Lu Weiping Tel: 137 6129 8113
Email address: lu.weiping@kaneka.com.cn
Today's editor: Gao Yajing