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  • 6 questions on the sealing strip of the aluminum windows and doors 6 questions on the sealing strip of the aluminum windows and doors
    Nov 15, 2021
    Question 1: What role can window and door sealing strips play? Answer: Sound insulation, dustproof, cold-proof, heat insulation and waterproof. Question 2: What is the cutting angle of the sealing strips? Answer: Normally, there are two kind of cutting way: 45 degrees and 90 degrees. Question 3: What are the reasons for the easy deformation of the sealing strips? Answer: The rubber of the sealing strip content is too low, the vulcanization time is too long or too short, the packaging method is not right or the packaging does not play a protective role, all those reasons could cause the sealing strips easy deformation. Question 4: What can be used to stop the shrinkage of the sealing strip? Answer: Adding fiberglass to the sealing strip can prevent it from shrinking and deforming. Question 5: What factors are related to the difficulty of opening/ closing windows and doors? Answer: The difficulty of opening/ closing windows and doors is related to the hardware, the weight of window and door sashes, but also related to the seal strips. The design of the sealing strip, the amount of pressure is not reasonable design is also likely to lead to difficult to open/ close the doors and windows. Question 6: How to identify the good and bad seal strips of door and window? Answer: (1)Watch: genuine rubber strip is pure black color, product’s surface is smooth, with uniform texture without impurities, and good density, no foam-like, product's surface gloss uniform. (2)Smell: Good sealing strip is with normal rubber smelling, the smelling should not be pungent, not strong. (3)Stretch: To good sealing strip, the feeling is suitable, elastic, strong tension, not easy to fold. (4)Section: To good sealing strip, the product section is regular, smooth lines. (5)Packing: The product is packed and curled in a neat and orderly manner, without disorder.
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