MSDS (Material Safety Data Sheet), that is, the Safety Data Sheet of Chemicals, can also be translated as Safety Data Sheets for Chemicals or Safety Data Sheets for Chemicals. In European countries, MSDS is also known as SDS, which is a document used by chemical manufacturers and importers to explain the physical and chemical properties of chemicals (such as PH value, flash point, flammability, reactivity, etc.) and possible harm to the health of users (such as carcinogenicity, teratogenicity, etc.), containing a total of 16 contents.

1.Chemical Product and Company Identification: It mainly indicates the name of the chemical, the name of the manufacturer, the address, zip code, telephone number, emergency telephone, fax and email address.

2.Information on Hazardous Ingredients: Indicates whether the chemical is pure or a mixture, including all hazardous substances containing more than 1% and carcinogens exceeding 0.1%. If it is a pure chemical, the chemical name or trade name and generic name should be given; In the case of mixtures, the concentration or concentration range of the hazardous components should be given. Whether it is a pure chemical or a mixture, if it contains a hazardous component, the Chemical Abstracts Index Registry Number (CAS number) should be given.

3.Hazard identification: Summarize the most important hazards of the chemical and its impact on health, mainly covering hazard categories, invasion routes, health hazards, environmental hazards, fire and explosion hazards and other information.

4.First Aid Measures: Self-help or mutual rescue methods (e.g., inhalation, ingestion, eye contact, skin-to-skin treatment) in the event of an accidental injury.

5.Fire Fighting Measures: It mainly displays the physical and chemical special hazards of chemicals, suitable fire extinguishing media, unsuitable fire extinguishing media, and personal protection of firefighters, including hazard characteristics, fire extinguishing media and methods, fire extinguishing precautions, etc.

6.意外泄露处置措施（Accidental Release Measures）：清理小型和大型泄漏的程序以及化学物质泄漏周围的具体规定。

7.Handling and Storage: Provides information on the safe storage and safe use of materials.

8.Exposure Control/Personal Protection: Protective methods and means used to protect workers from chemical hazards in the process of producing, handling, handling and using chemicals, including gloves, clothing, eye protection, and respiratory protection.

9.Physical and Chemical Properties: It mainly describes the appearance and physical and chemical properties of chemicals, including appearance and properties, pH value, boiling point, melting point, relative density (water = 1), relative vapor density (air = 1), saturation vapor pressure, heat of combustion, critical temperature, critical pressure, octanol/water partition coefficient, flash point, ignition temperature, explosion limit, solubility, main uses and some other special physical and chemical properties.

10.Stability and Reactivity: Indicates stable substances, causes of instability and incompatibility, including stability, prohibited substances, conditions under which contact should be avoided, polymerization hazards, and decomposition products.

11.Toxicology Information: Provides toxicological information of chemicals, including acute toxicity (LD50, LD50), irritation, sensitization, subacute and chronic toxicity, mutagenicity, teratogenicity, carcinogenicity, etc.

12.Ecological Information: It mainly states the environmental and ecological effects, behaviors and outcomes of chemicals, including biological effects (such as LD50, LD50), biodegradability, bioaccumulation, environmental transport and other harmful environmental impacts.

13.Disposal Considerations: refers to the safe disposal methods of chemical-contaminated packaging and chemicals with no use value, including disposal methods and precautions.

14.Transportation Information: Mainly domestic and international chemical packaging, transportation requirements and transportation regulations classification and numbering, including dangerous goods number, packaging category, packaging mark, packaging method, UN number and transportation precautions.

5.Regulatory Information: Mainly legal provisions and standards for chemical management, as well as CITES related EPA and OSHA regulations.

16.Other Information: It mainly provides other information that is important to security, such as references, time of filling in the form, department of filling in the form, data review unit, etc.

In general, MSDS is used to determine whether the goods are suitable for sea transportation and what appropriate mode of transportation is used to ensure transportation safety. When booking a specific cargo for export, the carrier (shipping company) will require an MSDS, and all personnel who come into contact with or may come into contact with the cargo (including loading and unloading personnel, depot/warehouse personnel, etc.) will need an MSDS. Operators must follow the guidelines and instructions of MSDS for correct operation and disposal, especially in emergencies such as package damage and leakage, it is difficult to understand the situation without MSDS, which will delay rescue, and blind action will lead to serious consequences.

The 16 contents of the MSDS issued by authoritative institutions are very accurate, for example, the Shanghai Institute of Chemical Industry can issue them. But now basically the manufacturer compiles the MSDS by itself, and the accuracy is not high, so many times it is necessary to refer to the identification certificate to judge whether it is ordinary goods or dangerous goods. In the actual trade and transportation of chemical products, the accuracy of MSDS is extremely critical. It is very common for manufacturers to compile their own MSDS inaccurately, which makes there are many hidden dangers when judging the nature of the goods. Since an inaccurate MSDS may not accurately reflect the characteristics of chemicals, it may lead to misjudgment as to whether the goods are suitable for sea transportation and what mode of transportation to use.

When booking cargo, if the carrier is acting on an inaccurate MSDS, it may transport the cargo that should have been handled in accordance with the requirements for the transport of dangerous goods as general cargo, or vice versa. Not only can this be a violation of transport regulations, but it also poses a significant risk to transport safety. For example, if an accident occurs during transportation, an inaccurate MSDS cannot provide accurate information to rescuers, such as when a chemical is leaked, it is difficult for rescuers to take effective response measures if it is not clear about its hazard category and suitable fire extinguishing medium.

Inaccurate MSDS can also prevent operators from operating correctly during handling, disposal, and storage. For example, for some chemicals that require special storage conditions, if the MSDS does not accurately state, it may lead to improper storage, which can lead to chemical reactions and safety accidents. When it comes to exposure control and personal protection, the wrong MSDS can lead workers to use inappropriate protective gear that prevents them from effectively protecting themselves from chemical hazards.

For the measure of judging whether ordinary goods or dangerous goods are made by referring to the appraisal certificate, although it can make up for the inaccuracy of the manufacturer's self-compiled MSDS to a certain extent, there are also some limitations. On the one hand, obtaining an appraisal certificate can require additional time and cost; On the other hand, there may be differences in standards and testing methods between different accreditation bodies, which may also lead to inconsistencies in judgment results.

To sum up, MSDS plays an indispensable role in the production, transportation, storage and emergency treatment of chemical products, but the current situation of inaccurate MSDS compiled by manufacturers has seriously affected its function, and measures need to be taken to improve the accuracy of MSDS to ensure the safety and orderly conduct of related activities in the chemical industry.

In the actual trade and transportation of chemical products, the accuracy of the MSDS is crucial. It is not uncommon for manufacturers to compile their own MSDS inaccurately, which makes there are many hidden dangers when judging the nature of goods. Since an inaccurate MSDS may not accurately reflect the characteristics of chemicals, it may lead to misjudgment as to whether the goods are suitable for sea transportation and what mode of transportation to use.

When booking cargo, if the carrier relies on an inaccurate MSDS, it may transport the cargo as general cargo that should have been handled in accordance with the requirements for the transport of dangerous goods, or vice versa. Not only can this be a violation of transport regulations, but it also poses a significant risk to transport safety. For example, if an accident occurs during transportation, an inaccurate MSDS cannot provide accurate information to rescuers, such as when a chemical is leaked, it is difficult for rescuers to take effective countermeasures if it is not clear about its hazard category and suitable fire extinguishing medium.

In the handling and storage process, inaccurate MSDS can also prevent operators from operating correctly. For example, for some chemicals that require special storage conditions, if the MSDS is not accurately stated, it may lead to improper storage, which can lead to chemical reactions and safety accidents. When it comes to exposure control and personal protection, the wrong MSDS can lead workers to use inappropriate protective equipment that prevents them from effectively protecting themselves from chemical hazards.

For the measure of judging whether general goods or dangerous goods are based on the appraisal certificate, although it can make up for the inaccuracy of the manufacturer's self-compiled MSDS to a certain extent, there are also some limitations. On the one hand, the acquisition of an appraisal report may require additional time and cost; On the other hand, there may be differences in standards and testing methods between different accreditation bodies, which may also lead to inconsistencies in judgment results.

To sum up, MSDS plays an indispensable role in the production, transportation, storage and emergency treatment of chemical products, but the current situation of inaccurate MSDS compiled by manufacturers has seriously affected its function, and measures need to be taken to improve the accuracy of MSDS to ensure the safety and orderly conduct of related activities in the chemical industry.

从事SMT SMD加工的朋友应该对焊膏并不陌生。购买时焊膏，他们经常被要求根据实际需要仔细选择类型，并与诺菲尔焊料制造商一起测试样品。这是一种非常重要的材料。那么，如此重要的材料起着什么作用呢？苏州诺伊菲尔德接下来为您解读：

20世纪70年代，表面贴装技术刚刚开始兴起，也称为SMT。这是一种印刷电路板焊盘印刷和涂覆焊膏技术，在涂覆焊膏的焊盘上精确地粘贴电子元件的表面，并根据特定的回流温度曲线加热电路板，使焊膏熔化。在其合金成分冷却并固化后，在元件和印刷电路板之间形成焊点，以实现焊接的电子元件连接。

焊膏是随着SMT技术的出现而出现的一种新型焊接材料。它是一种用于将零件的电极与电路板的焊盘连接起来的焊料，主要用于SMT行业，用于在PCB表面焊接电容器、电阻器和IC等电子元件。焊膏在室温下也有一定的粘度，可以暂时将电子元件粘在既定位置固定，在焊接温度下，随着溶剂和部分添加剂的挥发，焊膏首先熔化以固定引脚和焊接，待冷却后将电子元件和印刷电路焊盘焊接在一起，形成稳定的连接。

焊膏是一个复杂的系统，是将焊料粉末、助焊剂和其他金属添加剂混合成糊状，并改变其成分以满足不同产品的焊接需求。因此，组成焊膏的成分都有不同的作用。

焊膏的作用主要分为这些模块，首先是合金粉末的作用，是完成电子元件和电路板之间的机械和电气连接。

其次是助焊剂：它是锡粉颗粒的物质，提供适当的流变性和湿度，促进热量传递到焊接区域，降低焊料的表面张力，防止焊接过程中焊料和焊接表面的再氧化。其中，不同成分的作用如下：

1、溶剂（solvent）：该组分是焊料组分的溶剂，在焊膏的混合过程中起着调节焊膏均匀性的作用，对焊膏的寿命有一定的影响；

2、树脂（Resins）：该成分主要起到增加焊膏附着力的作用，还起到保护和防止焊料PCB在焊接后再次氧化的作用；该组件在固定的零件中起着非常重要的作用。

3、活化剂（Activation）：该成分主要起到去除PCB铜膜焊盘表层和焊接部件氧化的作用，同时具有降低锡、铅表面张力的作用；

4、触变剂（thixotropic）：该成分主要是调节焊膏的粘度和印刷性能，在印刷中起到防止拖尾、粘附等现象的作用；

作为一家拥有18年经验的焊膏制造商，诺菲尔电子技术 始终致力于焊膏的研发、生产和销售。我们的产品质量稳定，无连续锡，无虚焊，无裂纹；无锡珠残留，焊点光亮饱满，焊接牢固，导电性强。如果需要使用，您可以联系我们的技术，免费提供解决方案来解决您的问题！

翻译与www.DeepL.com/Translator（免费版本）

一些特殊类型的焊膏容易变干，一般的焊膏供应商都配备了特殊的溶剂——稀释剂。然而，对于某些品牌的焊膏，其本身并无重大质量问题，因此无法提供溶剂供您添加。下一步是为苏州Noble Flower焊膏厂家说几句话：

焊膏干燥后，切勿用水稀释。

锡膏绝对禁止与水混合，如果少量锡膏偶尔使用，可以与少量酒精混合，使用后搅拌均匀；如果锡膏的含量较大，则需要与特殊的稀释剂混合。

焊膏在储存和使用过程中总会产生化学反应，虽然这种反应是不可避免的，但合理设计的焊膏在正常使用条件下的反应速率应该相当缓慢，这样其使用寿命就足以满足正常生产需要。它可以用冷藏卡车运输，并使用冷冻机冷藏储存在工厂仓库中。容易变干的焊膏通常是配方设计缺陷的结果。此外，确保合规的操作环境和标准化的处理可以延长糊剂的寿命。其他因素，如使用过程中的溶剂蒸发，也可能影响使用寿命，但不是主要因素。

在使用焊膏的过程中，要严格遵守焊膏的使用规范，否则会影响焊膏本身的特性，导致焊接不良；那用什么牌子的焊膏比较好。

推荐Noble Flower无铅焊膏，用途广泛，环保焊膏专业人士放心，可以满足SMT生产的耐温有特殊焊接要求的产品。咨询客服人员，为您推荐高质量、价格优惠、价格便宜的焊膏产品，质量好、服务好是我们的优势！