Furniture. Assessment of the ignitability of upholstered furnitureIgnition source: match flame equivalentBS EN 10212:1996. Chemical analysis of ferrous materials. Determination of arsenic in steel and iron. Spectrophotometric methodBS EN 1021-2:2006. Furniture. Assessment of the ignitability of ...
c By agreement, this grade can be delivered with a Pitting Resistance Equivalent Number (PRE = Cr +3,3Mo + 16N, compare Table C.1 of EN 10088-1) greater than 34. *) Patented steel grade. 20 EN 10088-3:2005 (E) Table 6 — Permissible product analysis tolerances on the limiting ...
notefor protection of the environment the degreasing of the test pieces should be done by immersing them in non-cycle hydrocarbon, aqueos cleaning agents or equivalent non-halogenated or halogen-free organic degreasing agent. 4.3procedure 4.3.1welding the specimens shall be clamped in a hydraulic ...
The invention belongs to the technical field of new nano materials and particularly relates to a catalyst for growing a three-dimensional carbon nanotube/grapheme composite material and a preparation method of the catalyst. The catalyst is formed by taking urea as a precipitator and uniformly ...
The invention relates to a preparation method and application of mesoporous manganese oxide material, which belong to the field of water treatment application. Specifically, mesoporous silicon oxide powder is dissolved into deionized water and stirred, so that uniform solution is formed, manganese source...
The invention belongs to the field of functional polymer materials, particularly to a shape memory material and method for fiber structure. 所述的具有纤维结构的形状记忆材料是通过静电纺丝的方法制备得到的由直径为50nm～10μm的纤维相互交错构成的网状结构的材料;其中,纺丝液是由60～100wt%的含有可发生相...
The high thermal conductivity composite material is prepared in a simple method that a certain mass of graphene nanosheet obtained by ball-milling natural graphite, nylon 66 and a silane coupling agent KH550 are ball-milled and mixed uniformly to from high thermal conductivity composite material ...
Production method for high-viscosity high-purity carboxymethylcellulose by using bamboo pulp as raw material一种竹浆粕为原料的高粘度高纯度羧甲基纤维素钠生产方法,用5重量份(下同)竹浆粕,体积比浓度为90%的含水乙醇100份,质量比浓度为30%的氢氧化钠水溶液5-8份和工业级氯乙酸7-10份,经碱化反应,醚化...
The invention has the following beneficial effects: 1) research on elastic modulus of the artificial bone composite material is carried out from microscopic level of the material, so as to improve efficiency of assessment on mechanical strength of the bone scaffold material, and lay the theoretical...
The invention relates to a combined material for stably foaming a polyisocyanurate foam material, a method for using the combined material to produce the polyisocyanurate foam material, and the polyisocyanurate foam material produced through the method. The combined material for the polyisocyanurate ...