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塑料定量瓶 进口 PP-H 50ml 500只/箱_定量瓶_塑料耗材_常规耗材_青岛实验室用品网上商城(QDLAB.CN)13963913927_实验室耗材_生化试剂_玻璃仪器_送货上门
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首页 > 常规耗材 > 塑料耗材 > 定量瓶 > 塑料定量瓶 进口 PP-H 50ml 500只/箱

塑料定量瓶 进口 PP-H 50ml 500只/箱

商品货号:5907

商品品牌:Envexp

市场价:¥2700.00

本店价:¥2250.00

普通会员:¥2250.00

vip:¥2137.50

分销商:¥2025.00

终端客户:¥2250.00

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5 ¥2050.00

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    用于标准溶液的配置,全面替代50ml及50ml以下各规格容量瓶,分刻度:5、10、15、20、25、30、40、50ml。

    材质:均聚丙烯(PP-H)
    性能:
    ● 物理性能:一般来说,PP均聚物比PP共聚物的热变形温度(耐热性)要高,在130℃的同等条件下,PP均聚物可以正常高温高压灭菌,而PP共聚物不行。共聚物的弯曲模量( 1%应变时的割线模量)在 483~1034MPa范围内,而均聚物则在1034~1379MPa范围内。PP共聚物材料的分子量对刚性的影响不如PP均聚物的大。带切口的悬臂梁式冲击强度一般在0.8~1.4英尺·磅/英寸的范围内。
    ● 耐化学性能:无规PP均聚物对酸。碱、醇、低沸点碳氢化合物溶剂及许多有机化学品的作用有很强的抵抗力。室温下,PP均聚物基本不溶于大多数有机溶剂。而且,当暴露在肥皂、皂碱液。水性试剂和醇类中时,它们不象其它许多聚合物那样会发生环境应力断裂损坏。当与某些化学品接触时,特别是液体烃。氯代有机物和强氧化剂,能引起表面裂纹或溶胀。非极性化合物一般比极性化合物更容易为聚丙烯所吸收。
    ● 阻隔性能:PP共聚物和均聚物都有很低的水蒸汽渗透率(0.5克/毫升/100平方英寸/24小时)。这些性质可以通过定向加以改进。拉伸吹塑型聚丙烯瓶子已把抗水蒸汽渗透性能改进至0.3,氧气渗透率到2500。
    ● 电性能:一般地,聚丙烯有很好的电性能,包括:高介电强度,低介电常数和低损耗因子;然而,电力应用一般选择均聚物。 
    ● 透明性:一般来说,共聚的透明度好,均聚的结晶度较高,但此款进口塑料定量瓶的PP-H材质透明度优于市面上常规的PP共聚物。
     
    技术参数:
    刻度值范围 分刻度 实际容量 盖外径 管外径 管内径 高度(含盖) 高度(不含盖)
    5ml-50ml 5ml 68ml 35mm 30mm 28mm 109mm 106mm
    使用温度 使用PH范围            
    <130℃ 1-13            

     


     

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