401有机担体管中四氢呋喃质量控制样品  Quality control sample of tetrahydrofuran in organic support tube 401  2支/套  

活性炭管中苯、甲苯、邻二甲苯、间二甲苯、对二甲苯质量控制样品  Quality control samples of benzene, toluene, o-xylene, m-xylene and p-xylene in activated carbon tubes  2支/套  

塑料拉伸性能测定用标准样品 E13  Standard sample E13 for determination of tensile properties of plastics  标准规格  

塑料简支梁冲击性能测定用标准样品 C40  Standard sample C40 for determination of impact properties of simply supported plastic beams  标准规格  

测定聚乙烯树脂熔体流动速率用标准样品 PE－G  The standard sample PE-G is used to measure the melt flow rate of polyethylene resin  标准规格  

测定聚乙烯树脂熔体流动速率用标准样品 PE－T  The standard sample PE-T was used to measure the melt flow rate of polyethylene resin  标准规格  

测定聚乙烯树脂熔体流动速率用标准样品 PE－D  The standard sample PE-D was used to determine the melt flow rate of polyethylene resin  标准规格  

测定聚丙烯树脂熔体流动速率用标准样品 PP－M  Determination of melt flow rate of polypropylene resin using standard sample PP-M  标准规格  

测定聚苯乙烯树脂熔体流动速率用标准样品 PS－H  Determination of melt flow rate of polystyrene resin by standard sample PS-H  标准规格  

窄分布中级实验粉尘（MTD）粒度标准物质  Medium Test Dust (MTD) with Narrow Distribution Particle Size Certified Reference Material  400mg/瓶