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Identification of Oil-extended Sealant
According to GB/T 31851 "Detection method of alkane plasticizer in silicone structural sealant", there are 3 identification methods: Thermogravimetric analysis test method, infrared spectroscopy test analysis method and thermal weight loss. These methods require speciali...Read more -
What is Oil-extended sealant ?
So, what are the practical hazards of oil-extended sealant ? 1. The oil-extended sealant shrinks obviously, and becomes hard, brittle or even pulverized after aging. The sealant joints will crack and debond, resulting in water leakage of curtain wall doors and windows. ...Read more -
Dangerous Oil-extended Sealant ! ! !
Have you ever seen such a phenomenon? Significant shrinkage cracks appear in the glue joints of doors, windows and curtain walls. The silicone sealant becomes hard and brittle or even pulverized. Oil flow and rainbow phenomenon appeared in the insulating glass. ...Read more