Chinese Standards Reference

Dye manufacturers and quality inspection agencies use this standard to ensure that Acid dark brown NM-RL products meet uniform quality requirements. It specifies multiple indicators including appearance, strength, color fastness, and limits on harmful substances, helping to control product consistency and safety. This standard is important for regulating the dye market and ensuring effective use in the downstream textile dyeing industry. 染料生产企业和质检机构使用本标准来确保酸性深棕NM-RL产品的质量符合统一要求。该标准规定了从外观、强度、色牢度到有害物质限量等多项指标，帮助控制产品的一致性和安全性。它对于规范染料市场、保障下游纺织印染行业的使用效果具有重要意义。 @@AI_SUMMARY@@ This standard specifies the technical requirements for Acid dark brown NM-RL (C.I. Acid brown 355), including appearance, strength, shade, moisture, water insolubles, solubility, dusting property, limits of harmful aromatic amines and heavy metals, and color fastness on nylon fabric. It details sampling methods, test methods for each indicator (e.g., dyeing methods, moisture determination), and stipulates inspection rules, marking, packaging, transport, and storage. The standard is applicable for quality control of this dye product, ensuring stable performance and compliance with safety requirements. 本标准规定了酸性深棕NM-RL（C.I.酸性棕355）的技术要求，包括外观、强度、色光、水分、水不溶物、溶解度、防尘性、有害芳香胺和重金属限量，以及在锦纶织物上的色牢度指标。标准详细描述了采样方法、各项指标的试验方法（如染色法、水分测定等），并规定了检验规则和标志、包装、运输、贮存要求。该标准适用于该染料产品的质量控制，确保其性能稳定且符合安全要求。

Dye manufacturers and quality inspection agencies use this standard to regulate the production and testing of Acid green P-3BL products. It ensures that key properties such as shade, strength, and color fastness meet specified requirements, guaranteeing performance for textile dyeing applications. This standard is important for product consistency, consumer protection, and facilitating trade. 染料生产企业和质检机构使用该标准来规范酸性绿P-3BL产品的生产和检验。该标准确保产品在色光、强度、色牢度等关键指标上符合要求，从而保证下游纺织印染行业的使用效果。它对于统一产品质量、保障消费者权益和促进贸易具有重要意义。 @@AI_SUMMARY@@ This standard specifies the technical requirements for Acid green P-3BL (C.I. Acid green 27) dye, including appearance, strength, shade, moisture, water insolubles, solubility, dustiness, limits of harmful aromatic amines and heavy metals, and various color fastness properties on nylon fabric. It details sampling methods, test procedures (e.g., dyeing methods, color fastness tests), inspection rules, and packaging, transport, and storage requirements. It is intended for quality control and factory inspection of this dye product. 本标准规定了酸性绿P-3BL（C.I.酸性绿27）染料的技术要求，包括外观、强度、色光、水分、水不溶物、溶解度、防尘性、有害芳香胺和重金属限量，以及在锦纶织物上的多项色牢度指标。标准详细描述了采样方法、各项指标的试验方法（如染色法、色牢度测试）、检验规则和包装运输贮存要求。适用于该染料的质量控制和出厂检验。

Dye manufacturers and quality inspection agencies use this standard to ensure that Acid brilliant yellow P-2GL products meet uniform quality requirements. It specifies key indicators such as shade, strength, moisture content, and solubility, along with color fastness test methods, which are crucial for guaranteeing dyeing performance and stability on fabrics like nylon. This standard helps users evaluate and select qualified dye products, ensuring quality in downstream textile production. 染料生产企业和质检机构使用该标准来确保酸性艳黄P-2GL产品的质量符合统一要求。该标准规定了产品的色光、强度、水分、溶解度等关键指标，以及色牢度测试方法，对于保证染料在锦纶等织物上的染色效果和稳定性至关重要。它帮助用户评估和选择合格的染料产品，确保下游纺织品生产的质量。 @@AI_SUMMARY@@ This standard specifies the technical requirements for Acid brilliant yellow P-2GL (C.I. Acid yellow 79), including appearance, strength, shade, moisture content, water insolubles, solubility, dust prevention, limits of harmful aromatic amines and heavy metals, and color fastness on nylon fabric. It details sampling methods, test procedures (such as dyeing methods and color fastness tests), and inspection rules. The standard is intended for quality control of this dye product, ensuring stable performance to meet the needs of the textile dyeing industry. 本标准规定了酸性艳黄P-2GL（C.I.酸性黄79）的技术要求，包括外观、强度、色光、水分、水不溶物、溶解度、防尘性、有害芳香胺和重金属限量，以及锦纶织物上的色牢度指标。标准详细描述了采样方法、试验方法（如染色法、色牢度测试）和检验规则。该标准适用于该染料产品的质量控制，确保其性能稳定，满足纺织印染行业的需求。

Dye manufacturers and quality inspection agencies use this standard to regulate the production and quality testing of Acid dark red P-4B. It ensures that key indicators such as shade, strength, and color fastness meet requirements, thereby guaranteeing dyeing results and product quality for the textile printing and dyeing industry. This standard is important for unifying technical requirements and protecting consumer interests. 染料生产企业和质检机构使用该标准来规范酸性深红P-4B的生产和质量检测。该标准确保产品在色光、强度、色牢度等关键指标上符合要求，从而保证下游纺织印染行业的染色效果和产品质量。它对于统一行业技术要求和保障消费者权益具有重要意义。 @@AI_SUMMARY@@ This standard specifies technical requirements, test methods, inspection rules, and packaging/transport for Acid dark red P-4B (C.I. Acid red 119). The product is a dark red powder or granule that must meet criteria for strength, shade, moisture, insolubles, solubility, dustiness, and comply with limits on harmful aromatic amines and heavy metals. Color fastness on nylon fabric (light, washing, perspiration, etc.) must reach specified grades. The standard applies to quality control of this dye, ensuring stable performance in textile dyeing and printing. 本标准规定了酸性深红P-4B（C.I.酸性红119）的技术要求、试验方法、检验规则及包装运输等。产品为暗红色粉末或颗粒，需满足强度、色光、水分、水不溶物、溶解度、防尘性等指标，并符合有害芳香胺和重金属限量要求。在锦纶织物上的色牢度（耐光、耐洗、耐汗渍等）需达到规定等级。标准适用于该染料的质量控制，确保其在纺织印染中的性能稳定。

Chemical manufacturers and quality inspection departments use this standard to ensure that 3-nitro-4-chlorobenzenesulfonic acid products meet specified quality requirements. It defines technical specifications, sampling methods, and inspection rules, helping to standardize product quality and ensure stable raw materials for downstream industries such as dyes. This standard is important for regulating the market, facilitating trade, and promoting technical exchange. 化工行业的生产企业和质量检验部门使用本标准来确保3-硝基-4-氯苯磺酸产品的质量符合要求。该标准规定了产品的技术指标、采样方法和检验规则，有助于统一产品质量、保障下游染料等行业的原料稳定性。它对于规范市场、促进贸易和技术交流具有重要意义。 @@AI_SUMMARY@@ This standard specifies technical requirements, sampling methods, test methods, inspection rules, and marking/packaging for 3-nitro-4-chlorobenzenesulfonic acid. The product appears as white to yellow crystals, with a main component content of not less than 60.00%, and impurities 2,4-dinitrochlorobenzene and 4-nitrochlorobenzene limited to 0.50% and 2.00% respectively. Content is determined by HPLC, with allowable differences between parallel results of 0.80% for the main component and 0.05% for impurities. The standard is used by chemical manufacturers and inspection departments for quality control. 本标准规定了3-硝基-4-氯苯磺酸的技术要求、采样方法、试验方法、检验规则及标志包装等。产品外观为白色至黄色结晶，主成分含量不低于60.00%，杂质2,4-二硝基氯苯和4-硝基氯苯分别不超过0.50%和2.00%。采用高效液相色谱法测定含量，要求平行测定结果之差主成分不大于0.80%，杂质不大于0.05%。标准适用于该产品的质量控制，由化工行业生产企业和检验部门使用。

Stone processing companies use this standard to design, manufacture, and inspect continuous polishing machines for stone, ensuring efficient and stable grinding and polishing of marble and granite slabs. By specifying technical parameters, safety requirements, and test methods, the standard guarantees processing quality and operational safety, serving as a key reference for equipment production and quality control in the stone industry. 石材加工企业使用该标准来设计、制造和检验石材连续磨机，确保设备能高效、稳定地对大理石和花岗石板材进行研磨和抛光。该标准通过规定磨机的技术参数、安全要求和试验方法，保障了加工质量和操作安全，是石材行业设备生产和质量控制的重要依据。 @@AI_SUMMARY@@ This standard specifies terms, classification, parameters, technical requirements, test methods, inspection rules, and marking/packaging for continuous polishing machines for stone. It applies to grinding and polishing of natural marble, granite, and similar building slabs. Key technical requirements include smooth no-load operation, noise ≤85 dB(A), and compliance of slab flatness and gloss after polishing, along with safety and electrical safety provisions. Test methods cover no-load and load operation tests, with inspection divided into factory and type inspection. 本标准规定了石材连续磨机的术语、分类、参数、技术要求、试验方法、检验规则及标志包装等。适用于天然大理石、花岗石等建筑板材的研磨抛光加工。主要技术要求包括空载运行平稳、噪声≤85 dB(A)、磨抛后板材平面度及光泽度达标，并规定了安全防护和电气安全要求。试验方法涵盖空载和负载运转测试，检验分出厂和型式检验。

Chemical manufacturers, dye producers, and quality inspection agencies use this standard to regulate the production and testing of 2,5-dichloronitrobenzene. It ensures that key parameters such as purity and crystallization point meet specified requirements, thereby supporting consistent quality in downstream dye synthesis. By providing clear safety information and packaging/transport guidelines, the standard helps prevent chemical accidents and protects both personnel and the environment. 化工企业、染料生产商和质量检验部门使用该标准来规范2,5-二氯硝基苯的生产和检验。该标准确保产品纯度、结晶点等关键指标符合要求，保障下游染料合成质量。它通过明确安全信息和包装运输要求，有助于防止化学品事故，保护人员和环境安全。 @@AI_SUMMARY@@ This standard specifies the technical requirements, safety information, sampling, test methods, inspection rules, and marking, packaging, transport and storage for 2,5-dichloronitrobenzene. The product is classified into first-grade and qualified grade, with key indicators including appearance (pale yellow crystals), dry crystallization point (≥52.8°C/≥52.0°C), purity (≥99.50%/≥99.00%), and organic impurity content. Test methods include gas chromatography for purity and impurities, and moisture determination per GB/T 2386. Safety-wise, the substance is a Class 6.1 toxic material requiring strict dangerous goods handling. The standard is intended for quality control by dye intermediate manufacturers. 本标准规定了2,5-二氯硝基苯的技术要求、安全信息、采样、试验方法、检验规则及标志包装运输贮存。产品按质量分为一等品和合格品，关键指标包括外观（淡黄色结晶）、干品结晶点（≥52.8℃/≥52.0℃）、纯度（≥99.50%/≥99.00%）及有机杂质含量。试验方法采用气相色谱法测定纯度及杂质，水分按GB/T 2386测定。安全方面，该物质为6.1类毒性物质，需严格按危险货物管理。标准适用于染料中间体生产企业的质量控制。

Manufacturers of oleamide use this standard to ensure product quality meets industry requirements. Quality inspection departments rely on this standard for factory inspection and re-inspection of products. This standard provides a unified technical basis for the production, testing, and trade of oleamide, helping to ensure product consistency and reliability. 油酸酰胺的生产企业使用本标准来确保产品质量符合行业要求。质检部门依据本标准对产品进行出厂检验和复检。该标准为油酸酰胺的制造、检测和贸易提供了统一的技术依据，有助于保障产品的一致性和可靠性。 @@AI_SUMMARY@@ This standard specifies technical requirements, test methods, inspection rules, marking, packaging, transportation and storage for oleamide. It applies to oleamide produced from animal and vegetable oleic acid and liquid ammonia through synthesis and purification. Technical requirements include appearance, color, acid value, melting range, iodine value, moisture, C18:1 and C18:2 amide content, effective component content, and mechanical impurities. Test methods cover color, acid value, melting range, iodine value, moisture, and gas chromatography for amide content. Inspection rules include factory inspection, batch grouping, sampling, and re-inspection. Packaging, transportation, and storage require light and moisture protection, with a storage period of six months. 本标准规定了油酸酰胺的技术要求、试验方法、检验规则及标志、包装、运输和贮存。适用于以动植物油酸和液氨为原料经合成提纯制得的油酸酰胺。技术要求包括外观、色度、酸值、熔程、碘值、水分、C18:1酰胺和C18:2酰胺含量、有效组分及机械杂质等指标。试验方法涉及色度、酸值、熔程、碘值、水分、气相色谱法测定酰胺含量等。检验规则包括出厂检验、组批、采样和复检。包装运输贮存要求避光防湿，贮存期六个月。

Manufacturers and quality inspection departments of rubber antioxidants use this standard to test the quality of 4-aminodiphenylamine products, ensuring that purity, crystallization point and other indicators meet requirements. This standard provides a unified technical specification for the rubber auxiliary industry, helping to ensure the performance and safety of downstream rubber products. 橡胶防老剂生产企业和质检部门使用本标准来检测4-氨基二苯胺产品的质量，确保其纯度、结晶点等指标符合要求。该标准为橡胶助剂行业提供了统一的技术规范，有助于保障下游橡胶制品的性能和安全性。 @@AI_SUMMARY@@ This standard specifies the technical requirements, test methods, inspection rules, marking, packaging, transport, storage and safety for 4-aminodiphenylamine. It applies to the product obtained by condensation and reduction of nitrobenzene or p-nitrochlorobenzene with aniline. Key technical indicators include appearance, crystallization point, heating loss, ash content and purity (by gas chromatography). The standard references multiple national and industry standards, details sampling, inspection and re-inspection procedures, and specifies packaging, transport, storage conditions and safety precautions. 本标准规定了4-氨基二苯胺的技术要求、试验方法、检验规则及标志、包装、运输、贮存和安全要求。适用于由硝基苯或对硝基氯化苯与苯胺缩合还原制得的产品。主要技术指标包括外观、结晶点、加热减量、灰分和纯度（气相色谱法）。标准引用了多项国家和行业标准，对采样、检验、复检等流程做了详细规定，并明确了产品的包装、运输和贮存条件，以及安全注意事项。

Manufacturers of polyurethane chain extender MCDEA use this standard to ensure product quality meets specified requirements. Quality inspection departments rely on this standard for routine and type tests, including purity, initial melting point, and moisture content. This standard is important for regulating the market and ensuring the performance stability of downstream polyurethane products. 聚氨酯扩链剂MCDEA的生产企业使用本标准来确保产品质量符合要求。质检部门依据本标准进行出厂检验和型式检验，包括纯度、初熔点、水分等关键指标。本标准对规范市场、保障下游聚氨酯制品性能稳定性具有重要意义。 @@AI_SUMMARY@@ This standard specifies technical requirements, test methods, inspection rules, marking, packaging, transport and storage for polyurethane chain extender MCDEA (4,4'-methylenebis(3-chloro-2,6-diethylaniline)). The product is synthesized from 3-chloro-2,6-diethylaniline and formaldehyde in an acidic medium, appearing as white crystalline powder or granules with an initial melting point not less than 87.0°C, purity not less than 98.0%, and moisture not more than 0.5%. Test methods include HPLC for purity and Karl Fischer titration for moisture. The standard is used for quality control and factory inspection by manufacturers. 本标准规定了聚氨酯扩链剂MCDEA（4,4'-亚甲基双(3-氯-2,6-二乙基苯胺)）的技术要求、试验方法、检验规则及标志包装运输贮存要求。产品由3-氯-2,6-二乙基苯胺和甲醛在酸性介质中合成，外观为白色结晶粉末或颗粒，初熔点不低于87.0℃，纯度不低于98.0%，水分不超过0.5%。试验方法包括高效液相色谱法测纯度、卡尔·费休法测水分等。标准适用于生产企业的质量控制和产品出厂检验。

Manufacturers of polyurethane chain extender HER use this standard to ensure product quality meets industry requirements. Quality inspection departments rely on this standard for factory release testing and conformity assessment. This standard helps unify technical specifications and test methods for HER, ensuring consistent performance in downstream polyurethane products. 聚氨酯扩链剂HER的生产企业使用本标准来确保产品质量符合行业要求。质检部门依据本标准对产品进行出厂检验和判定。本标准有助于统一聚氨酯扩链剂HER的技术指标和检测方法，保障下游聚氨酯制品的性能稳定。 @@AI_SUMMARY@@ This standard specifies quality requirements, test methods, inspection rules, marking, packaging, transport and storage for polyurethane chain extender HER (resorcinol bis(β-hydroxyethyl) ether). It applies to products made by condensation of resorcinol with ethylene oxide. Key technical indicators include appearance (white powder), initial melting point (≥83.0°C), moisture (≤0.10%), purity (≥98% by GC), and hydroxyl value (555±5 mgKOH/g). Test methods involve gas chromatography for purity and Karl Fischer titration for moisture. Inspection rules define factory release and retesting procedures. Packaging uses cardboard drums lined with black plastic bags. 本标准规定了聚氨酯扩链剂HER（间苯二酚双(β-羟乙基)醚）的质量要求、试验方法、检验规则、标志、包装、运输和贮存。适用于间苯二酚与环氧乙烷缩合制成的产品。主要技术指标包括外观（白色粉末）、初熔点（≥83.0℃）、水分（≤0.10%）、纯度（≥98%，GC法）和羟值（555±5 mgKOH/g）。试验方法涉及气相色谱法测纯度、卡尔·费休法测水分等。检验规则明确了出厂检验和复检要求，包装采用内衬黑色塑料袋的纸板桶。

Manufacturers of polyurethane chain extender HQEE use this standard to ensure product quality meets industry requirements. Downstream polyurethane material producers rely on this standard for purchasing and inspecting raw materials to guarantee consistent performance of final products. By unifying technical specifications and test methods, this standard promotes the standardized development of the polyurethane chain extender industry. 聚氨酯扩链剂HQEE的生产企业使用本标准来确保产品质量符合行业要求。下游的聚氨酯材料制造商依据本标准采购和检验原料，以保证最终产品的性能稳定。该标准通过统一技术指标和检测方法，促进了聚氨酯扩链剂行业的规范化发展。 @@AI_SUMMARY@@ This standard specifies the technical requirements, test methods, inspection rules, marking, packaging, transport and storage for polyurethane chain extender HQEE (hydroquinone bis(2-hydroxyethyl) ether). The product is produced by condensation of hydroquinone with ethylene oxide. Key technical indicators include appearance (white powder), initial melting point ≥98.0°C, moisture ≤0.10%, purity ≥98.0% (by GC), and hydroxyl value 555±5 mgKOH/g. Test methods involve gas chromatography for purity and Karl Fischer titration for moisture. The standard is used for quality control by manufacturers and acceptance by users. 本标准规定了聚氨酯扩链剂HQEE（对苯二酚一双(β-羟乙基)醚）的技术要求、试验方法、检验规则及标志包装运输贮存要求。产品由对苯二酚与环氧乙烷缩合制成，主要技术指标包括外观（白色粉末）、初熔点≥98.0℃、水分≤0.10%、纯度≥98.0%（GC法）、羟值555±5 mgKOH/g。试验方法涉及气相色谱法测纯度、卡尔·费休法测水分等。标准适用于生产企业的质量控制和用户验收。