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How to judge the quality of foam glue by the cross section after the foam glue is cured Key Observation Point: Cell Structure Cell Size and Uniformity: High-Quality: Cells are small and uniformly distributed…
What is flame retardant foam “Flame-retardant foam” refers to a polyurethane foam sealant with the ability to prevent or slow the spread of flames. It combines the excellent filling, sealing, bonding, thermal insulation, and sound…
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What are “front foaming” and “back foaming”? The terms “front-foaming” and “back-foaming” in foam adhesive refer to the primary stage and location of the foaming reaction during the manufacturing or application process of polyurethane…
What are high modulus and low modulus in sealants In the sealant industry, “modulus” refers to the elastic modulus, specifically the tensile modulus or secant modulus. It measures a sealant’s ability to resist deformation under…
How to speed up the curing of neutral silicone sealant Accelerating the curing speed of neutral silicone sealant primarily relies on understanding its curing mechanism. Neutral silicone sealant cures by reacting with moisture in the…
How to speed up the curing of acid sealants Accelerating the cure of acidic silicone sealants requires measures tailored to their curing mechanism. Acidic silicone sealants cure through a chemical reaction (condensation) with moisture in…