MDI的性质、毒性和安全知识 1. 产品分类和暴露极限 CAS NO. OSHA PEL 1 ACGIH TLV2 4,4’-二苯基甲烷二异氰酸酯(MDI) 101-68-8 0.02ppm(ceiling) 0.005ppm(8-hour TWA3 聚合MDI 9016-87-9 1、可允许的暴露限制 2、最大允许浓度 3、加权平均数 2、典型物理数据 4,4’MDI PMDI 外观 固体,38℃以下...
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MDIpolyolprepolymerisnotconsideredtobehazardous.Thereforethedetailsofchemicalidentity,monomers,spectra,molecularweightandmolecularandstructuralformulaehavebeenexemptedfrompublicationintheFullPublicReportandtheSummaryReport.Othernames:MDI-polyolprepolymer;isocyanateterminatedadductTradenamesXUS-15015.00ExperimentalRIMChemical...
form a foam having a bulk density of 1.5 to 40 pounds per cubic foot (24-640 kg/m3), wherein (1) the polyisocyanate component includes an oxazolidone-containing, isocyanate-terminated intermediate that is essentially free of isocyanurate groups, (2) the ratio of isocyanate groups in the ...
International applicants are eligible to apply . Be currently enrolled full-time in an accredited public or private college or university in the United States or its territories, as recognized by the U.S. Department of Education, or be curren...
Full analysis set 全分析集 GC-FTIR 气相色谱-傅利叶红外联用 GC-MS 气相色谱-质谱联用 Generic drug 通用名药 Global assessment variable 全局评价变量 GLU 血糖 Good clinical practice, GCP 药物临床试验质量管理规范 Good manufacture practice, GMP 药品生产质量管理规范...
The sampling interval was defined as the time for each product to reach 95% of full cure. The final cure can take hours or longer, so that by using this sampling interval we will find the highest concentration of MDI in the air for each product. ...
Full refined semi-refined paraffin wax high purity wax block for lubrication and plasticizing $1,000.00 - $1,070.00 Min. order: 1 ton Sodium Formaldehyde Sulfoxylate 98% Rongalite Lump Rongalite C $1,542.25 - $1,691.50 Min. order: 18 tons High Quality Industrial Grade Sewage Treatment Ag...
Acids are chemical compounds that, in water solution, have a sharp taste, a corrosive action on metals, and the ability to turn certain blue vegetable dyes red. 酸是一种化合物 它在溶于水时具有强烈的气味和对金属的腐蚀性 并且能够使某些蓝色植物染料...