What are the reasons for slow curing of sealants? (1) Low temperature. The construction temperature of sealants should be kept at 10~40℃. If the temperature is too low, it is necessary to extend the curing…
What are the reasons for poor adhesion between the sealant and the substrate? 1) No adhesion test was performed before construction or the construction was not carried out according to the method recommended by the…
1. What should I do if a lot of bubbles appear when applying glue? In general, the causes and solutions of bubbles are as follows: (1) Cause: bubbles generated during glue injection; Solution: smooth glue…
Different Density of Sealant Density of adhesive is one of the important physical parameters. It represents the mass per unit volume of adhesive (usually measured in g/cm³ or kg/m³). Density not only affects the…
The Automotive Adhesive Revolution The automotive industry is undergoing a transformation; automotive adhesives and sealants are becoming a hot joining method, especially for parts made of plastics and lightweight composites. The change is more than…
What are the excellent defense solutions for current buildings? According to different locations and technical requirements, you can choose the following materials: waterproof glue for fire prevention, waterproof glue for fire prevention, fireproof board, fireproof…
Risks of Occupational Disabilities of Construction Workers and Effective Targets for Reduction Occupational diseases of construction workers are a matter of great concern in the construction industry. Due to the nature of their work, such…
Volatile Organic Compounds VOC emissions are a major health and environmental concern. VOCs can come from items that we are very familiar with, such as paints, furniture, glues, scented candles, cosmetics; and even electronic devices….
The construction sequence of structural sealant (structural sealant for curtain wall, two-layer structural sealant for hollow, etc.): 1) Clean the substrate The temperature is high in summer, and the cleaning solvent is easy to volatilize….
Performance of silicone structural sealant Silicone adhesive is stable to ultraviolet rays and ozone. For example, the solar panels on my country’s Dongfanghong satellite in 1970 were bonded by silicone structural adhesive. They have withstood…
How to choose silicone sealant? Silicone sealant is a paste made of polydimethylsiloxane as the main raw material, supplemented by cross-linking agent, filler, plasticizer, coupling agent, and catalyst mixed in a vacuum state. It reacts…
How to distinguish glue by bottle Usually the bottle of nail-free glue is made of paper and aluminum film.