抗伽马辐射PVDF, 抗伽马辐射

 

Hylar® Latex 932

聚偏二氟乙烯

Solvay Specialty Polymers

Technical Data

 

产品说明

Hylar 5000 是结晶型、高分子量、粉末状聚偏二氟乙烯，专用于溶剂型涂料，以获得更好的光泽。形成的机械强度高、韧度好的薄膜，能适应宽温 度范围的应用。这些薄膜能耐受大多数环境，包括 γ 辐射。在紫外线辐射下基本呈透明状。 Hylar 5000 涂料的耐候性使其具有出色的耐久性能。 Hylar 5000 只能通过注明 Hylar 5000 涂料成分的特定许可程序才可获得。正确配制的面漆含有足够的颜料，当膜厚达标称 1 密耳（ 0.001 英寸） 时，在紫外线照射下完全不透明。 安全性

 

hylar 5000 在温度高达 600°F （316℃ ）时依然保持稳定。当长期处于 600 ° F（ 316 °C ）以上高温时，开始释出氟化氢（HF ），在温度高于 700 °F （ 371 ° C）时，释出速度加快。 hylar 5000 具有优良的阻燃性，但发生火灾时， HF 和微量有潜在毒性的碳氟化合物开始形成。 HF 具有腐蚀 性，会导致接触烧伤，达到美国工业卫生会议（AC GIH）设置的阈值（TLV -TWA）3 ppm （2.5 毫克/立方米）（1984） 。

总览

材料状态 • 已商用：当前有效

资料 1 • Technical Datasheet

搜索 UL 黄卡 •  Solvay Specialty Polymers

•  Hylar®

供货地区 • 北美洲 • 欧洲

• 纯净/高纯度 • 抗伽马辐射 • 气味低到无

特性 • 高分子量 • 良好的强度

• 高光 • 耐候性，良好 • 韧性良好

• 结晶 • 耐紫外光性能，良好

用途 • 薄膜 • 涂层应用

外观 • 白色

形式 • 乳胶

加工方法 • 涂层

物理性能 额定值单位制

pH 值 3.0 到 4.0

固体含量 - 乳胶 20.0 到 25.0wt%

颗粒大小 - 乳胶 200 到 400nm

热性能 额定值单位制 测试方法

熔融温度 3 156 到 160°C ASTM D3418

充模分析 额定值单位制 测试方法

熔体粘度 4 (232°C, 100 sec^-1) 2900 到 3300Pa•s ASTM D3835

布络克菲尔德粘度 - #1 主轴， 60 rpm 2 到 6mPa•s

 

Hylar® Latex 932

聚偏二氟乙烯

Solvay Specialty Polymers

 

补充信息

SAFETY

 

The dry polymer in Hylar® Latex 932 is stable at temperatures up to 315°C (600°F). When subjected to temperatures above 315°C (600°F) for extended periods of time, hydrogen fluoride (HF) begins to evolve. At temperatures above 371°C (700°F), HF evolution becomes rapid.

 

Thermal decomposition of the dry polymer in Hylar® Latex 932 can occur in melt processing operations as a result of excessive temperatures or in coating applications should the solvents be ignited, leading to fire. Thermal decomposition will generate HF, which is corrosive and causes burns on contact. It has an American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV-TWA) of 3 ppm (2.5 mg/m3). In case of fire, use NIOSH approved self-contained breathing apparatus and skin protection to protect against volatile decomposition products such as HF and traces of toxic fluorocarbons.

 

In the event of thermal decomposition during melt processing operations, turn off the heat and evacuate the area until the area is cleared of HF. The dry polymer in Hylar® Latex 932 can be disposed of in an approved land fill. It should not be incinerated unless provision is made for absorption of HF. A Material Safety Data Sheet for Hylar® Latex 932 is available from Solvay Specialty Polymers.

 

SHELF LIFE

 

Although we do not warrant a shelf life period, we believe that the practical limit shelf life of the material is 9 months from the production date, provided that the recommended storage conditions are maintained and the material remains free from foreign contamination during storage time.

 

STORAGE CONDITIONS (RECOMMENDED)

 

The material should remain un-opened in the original containers. The storage conditions should provide for protection from temperature extremes (<50°F and >75°F) and other conditions which may damage the containers in which the material is stored. Some settling may occur during storage; this should be reversible by agitation or rolling and should not affect the overall specifications as warranted.

 

 

 

 

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