polyurethane foam造句
31. Finite element dynamical analysis for polyurethane foam sandwich panel is studied.
32. One kind of the hollow bead reinforced polyurethane foam composite was prepared.
33. The organic combined technology of sprayed polyurea elastomer and spayed polyurethane foam is suitable for site spray of waterproof and thermal insulation roof.
34. It will encounter difficulties in soaking and baking the polyurethane foam absorbers with large dimensions.
35. The experimental results suggest that methylene chloride ist a good substitute which can instead of trichlorofluoromethane in the production of different kind of density flexible polyurethane foam.
36. By selection tests of polyether polyol, flame retardant and catalyzer, a rigid polyurethane foam premix formulation for constmction laminating panel was developed.
37. This article is a study of methylene chloride as a substitute for trichlorofluoromethane in producing flexible polyurethane foam.
38. Through factors of the various thickness and high degree of the Polyurethane Foam to research and analyse the bond force between the Polyurethane Foam material and fly ash concrete.
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