mauve cotton fabric

9. Evaluation of potential phenolic yellowing (yellowing resistance)
After the test, take out the test package and cool it down. The evaluation of each sample must be completed within 30 minutes after opening the test package. When rating, first use the staining gray card to evaluate the yellowing degree of the controlled fabric. If the yellowing degree is equal to or less than level 3, the test is valid, otherwise it is invalid. If it is valid, then use the staining gray card to evaluate the yellowing degree of the sample.

One of the key benefits of using masonry accessories is their versatility. They can be used in various applications, from residential buildings to commercial structures, to provide additional support and reinforcement. For example, tie rods and wall ties are commonly used to connect masonry walls and provide lateral support, while lintels help distribute the weight of the structure evenly.