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preparation of smooth amino silicone oil smooth crude oil generally uses linear bodies as raw materials. first, pump the linear body into the kettle, …

1. the most important thing to calculate in the rigid foam composite material is whether the ratio of black and white materials (weight ratio) is reas…

determine the foaming system: 141b or cyclopentane. predetermination of the range of water volume/physical foaming dose 2. first, clarify the process …

the rigid foam polyurethane waterproof and thermal insulation integrated roof system is a successful example of a roof waterproof and thermal insulati…

1. high closed cell ratio (1) polyether polyol: high proportion of ethylene oxide, high activity, often occurs when replacing polyether polyols with d…

what are pesticide adjuvants pesticide auxiliaries refer to the general term for substances added during preparation processing or use to improve the …

high resilience sponges are everywhere in our lives, and silicone oil is an indispensable component in sponges. it is used to adjust the cell structur…

1. water distribution ratio water: amine: silicone oil = 100: 7: 35 the amine is a-33 or a38, which can be imported or domestically produced. the sili…

one of the factors affecting the slow rebound effect: nco index the impact of nco index on slow rebound: low: soft, slow recovery speed, air blowing c…

recently, i have often received calls from friends in the industry from all over the country asking about various technical problems that arise in the…

most silicone oils play the role of nucleation, emulsification, and stabilization. silicon oil is foam stabilizer foam stabilizers are a type of surfa…