Overview
The solid content test determines the percentage of non-volatile components in liquid or paste materials by evaporating volatile solvents under controlled conditions. It is a fundamental quality control metric in industries like coatings and adhesives, where solid content directly impacts product performance (e.g., film thickness, drying time). Standardized methods include oven drying (ISO 3251) and infrared moisture balances (ASTM D4898). Results are expressed as weight percentage, calculated by comparing pre- and post-drying sample masses. The test requires precise temperature control to prevent decomposition of heat-sensitive components.
Physical and Chemical Properties
Solid content is not a material property but a performance metric indicating the mass fraction of solids after solvent removal. Test conditions significantly affect results: oven temperature (typically 105-150°C), drying time (1-24 hours), and sample thickness must adhere to chosen standards. Materials with high solid content (e.g., 60-80%) generally offer better coverage and lower VOC emissions but may require specialized application equipment. Low solid content products (e.g., 20-40%) often contain more solvents, affecting drying speed and environmental compliance.
Main Applications
In paint manufacturing, solid content testing ensures batch consistency and compliance with VOC regulations. High-performance coatings for automotive or aerospace use require tight tolerances (±1% of target values). Adhesive producers rely on this test to verify resin concentration, which affects bonding strength. In ink formulation, solid content correlates with print density and transfer efficiency. The construction industry uses it to assess cementitious additives and waterproofing slurries.
Safety and Storage
Testing involves solvent evaporation, requiring fume hoods or well-ventilated areas. Flammable solvents (e.g., acetone, toluene) necessitate explosion-proof ovens. Samples should be stored in sealed containers to prevent solvent loss before testing. Residues from testing may contain concentrated chemicals—dispose according to local hazardous waste regulations. Personal protective equipment (gloves, goggles) is recommended when handling uncured high-solid materials, which may be skin irritants.
B2B Procurement Guide
When outsourcing testing, specify the standard method (e.g., ISO vs. ASTM), acceptable variance (±0.5% typical), and whether residual moisture content should be included. For in-house testing, balance cost and precision: basic drying ovens ($1,000-$5,000) suit low-volume needs, while automated infrared analyzers ($10,000-$30,000) improve throughput. Request certified reference materials from suppliers to validate equipment. In contracts, define solid content as either 'as supplied' or 'as applied' (accounting for dilution). Bulk chemical purchases often tie pricing to solid content thresholds.
Related Manufacturers
- 主营：养护箱、试验箱、集装箱、含固量测定仪、试验机、测定仪、养护室、混凝土、恒温恒湿、水泥压力、试验仪器、抗压一体机、移动式标准
- 主营：水分测定仪、水分活度仪、收缩膨胀仪、固含量检测仪、石膏相组成分析仪
- 主营：浓度计、胶黏剂、检测仪、测试仪、比重仪、lcp塑胶、eps密度、密度计、光谱仪、pp熔喷料、当量密度、发泡橡胶、海绵材料、工程陶瓷、电子橡胶、橡胶塑料、陶瓷颗粒、粉末注射、黄金密度、粉尘堆积、x荧光光谱、ps塑料颗粒、pp塑料颗粒、99陶瓷生胚、高精度粉末
- 主营：密度计、比重计、浓度计、含水率测控系统、水分计
- 主营：粉碎磨、谷物水分仪、检测仪、水分测试仪、木材水分测试仪、粮食水分测试仪、木材含水率测试仪、小麦水分测试仪、肉类水分测试仪、卤素水分测试仪、粉质仪、PM-8188-A、十万分之一克电子天平、FA2004电子天平、凯特kett、0.1mg电子天平、SK-100水分仪、粘度计、FA1004电子天平、万分之一克天平、锤式旋风磨、粮食谷物水分仪、水质分析仪、卡尔费休法水分仪
- 主营：混凝土养护箱、集装箱养护室、集装箱移动养护室、乳化沥青含固量测定仪、集装箱标养室、混凝土标养箱、混凝土抗渗仪、强制式单卧轴搅拌机、水泥标准养护箱、混凝土养护室设备、恒温恒湿标准养护室、混凝土标准养护室、混凝土振动台、水泥试块养护箱、混凝土压力试验机、混凝土试块压力机、养护室试块架子、工地集装箱标养室、集装箱移动标养室、混凝土搅拌站试验仪器
- 主营：点荷仪、检测仪、切割机、测试仪、沥青蜡、分析仪、收缩皿、测定仪、稠度仪、电流仪、回弹仪、比长仪、油漆涂料、试块模具、玻璃试管、水泥净浆、铸铁模具、塑料试模、电子台秤、水泥砂浆、高速剪切机、沥青取样器、泥浆比重计、渗水试验仪、多功能夹具
- 主营：分析仪、气候箱、加湿器、测试仪、测试箱、测定仪、磨平机、液限仪、点荷仪、定硫仪、土工布、引伸仪、试验箱、网格布、测斜仪、波纹管、触探仪、检测仪、白度仪、试验机、搅拌机、收缩皿、厚度仪、回弹仪、抗渗仪
- 主营：公路检测仪器、铁路检测仪器、水利检测仪器、含固量测定仪、工程检测仪器、市政检测仪器、工厂自检仪器、大专院校教学检测仪器、无损检测仪器
- 主营：水分测定仪、水分仪、密度计、水分测试仪、比重计、液体密度计、分析天平、密度仪
- 主营：砂浆固、污泥固、检测仪、污泥含固、淤泥含固、水分仪、测定仪、水份仪、肉类水分、玻璃纤维、火锅底料、钙粉水分、药材水份、粘合剂固、粉体水分、馅料水分、宠饲料水、纸箱水分、石膏三相、塑料水分、污泥浓度、石膏水分、电池隔膜、电池原材料、石膏结晶水