Healant for wetted surface
A repairing agent, wet surface technology, applied in the field of epoxy modified two-component reactive wet surface adhesive, can solve the problems of difficult to achieve strength and temperature resistance, large foreign exchange consumption, unsatisfactory performance, etc., and reach the operating temperature range. Wide, fast repair speed, high bonding strength effect
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[0059] Example 1-3
[0060] The A component is epoxy resin E44 7500g, epoxy resin E51 1500g, aluminum oxide 143g, stainless steel powder 440g, cement 4000g, glass fiber 1000g and white carbon black 70g; B component is KH550 silane coupling agent 43g, DMP -30 (2,4,6-tris(dimethylaminomethyl)phenol) 650g, low-molecular polyamide 650 860g and white carbon black 800g; the above components A and B are proportioned by weight to 5:1~ Weigh at a ratio of 6:1 and mix well. The specific configuration of each embodiment is shown in Table 1.
[0061] Table 1
[0062] Example123 Grade TG620 TG621 TG622 A, B ratio 5:1 5.3:1 6:1
[0063] Seven performance indicators of tensile strength, tensile shear strength, compressive strength, hardness, wet surface properties, corrosion resistance and temperature resistance have been tested according to the Ministry of Chemical Industry and national standards. The test methods and test results are as follows:
[0064] 3.1 Tensile strength
[0065] (1) T...
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