[{"data":1,"prerenderedAt":497},["ShallowReactive",2],{"case-study-precast-concrete-demolding-porosity-optimization-case-en-en":3},{"id":4,"attributes":5},22,{"title":6,"slug":7,"summary":8,"industry":9,"applicationScene":10,"featured":11,"createdAt":12,"updatedAt":13,"publishedAt":14,"locale":15,"content":16,"cover":17,"gallery":60,"products":61,"seo":22,"localizations":491},"Case study on optimization of mold adhesion and surface pores of precast concrete components: stable demoulding within two weeks and reduced frequency of mold cleaning","precast-concrete-demolding-porosity-optimization-case-en","Through process consistency control and collaborative optimization of the demoulding system, defects were significantly reduced and the mold cleaning cycle was extended during the two-week trial production.","concrete","Precast concrete components (standard parts for wall panels and beams and columns)",true,"2026-03-05T03:45:10.232Z","2026-03-05T11:37:05.933Z","2026-03-05T03:47:34.126Z","en","![Precast concrete component demoulding production site diagram](https://assets.chinareleaseagent.com/case_7_1x_af931d5919.webp)\n\n## Precast concrete demoulding case: reduce porosity and mold sticking in two weeks, and increase the mold cleaning cycle to 120-150 molds\n\n\n### Project overview\n- **Industry/Scenario**: Concrete precast components (standard parts of wall panels and beams and columns)\n- **Production method**: Single shift continuous production\n- **Core Goal**: Stable demoulding and reduce the frequency of appearance rework and mold cleaning without changing the main equipment.\n\n### Initial questions\nDuring the high temperature period in summer, three typical problems occur on site:\n1. After demoulding, the mold is partially stuck and the corner damage rate increases.\n2. The pores and hair blooms on the surface of components increase, and the pressure for appearance rework increases.\n3. Mold contamination is accelerating, and the frequency of mold cleaning is relatively high, affecting effective production capacity.\n\n### Live baseline (before optimization)\n- **Defective appearance rate**: about 3.6%~4.2%\n- **Mold cleaning cycle**: Clean approximately every 70 to 90 molds\n- **Demolding stability**: Fluctuations are obvious in the later stages of continuous production (more prominent in night shifts)\n\n> Statistical caliber: 10 consecutive daily reports for a single shift production line, based on the customer’s current appearance rework judgment standards.\n\n### Diagnostic Process (Days 1-3)\nThis time, we did not change the formula first, but completed the process baseline inspection first:\n1. Check the uniformity of spraying (spray distance, angle, overlap rate)\n2. Record the relationship between mold temperature fluctuation range and defect distribution\n3. Compare the changes in residue and release force under different dilution ratios\n4. Make formula comparisons after unifying the mold cleaning baseline to avoid \"misjudgment of dirty molds\"\n\n**Diagnostic Conclusion**\n- The main contradiction is not that the release agent is ineffective, but that the spray consistency and dilution ratio fluctuate, resulting in unstable results.\n- The original process window during the high temperature period is too narrow and the parameter tolerance is insufficient.\n\n![Optimization comparison chart of concrete pores and surface defects](https://assets.chinareleaseagent.com/release-agent/processed/release_agent_processed_precast_defect_concrete_blowhole_v1_631a297d4c.webp)\n\n### Implementation Plan (Days 4-10)\n- **Option A (Process Priority)**: Fixed spray window, limiting dilution fluctuation range\n- **Option B (Formulation Synergy)**: Switch to a water-based release system that is more suitable for the current mold temperature range\n- **Plan C (beat optimization)**: Standardize the \"waiting time from spraying to mold closing\" to reduce the \"half-dry and half-wet\" state\n\nEstablish on-site SOP simultaneously:\n- First piece confirmation per shift\n- Random inspection of spray coverage and appearance defects every 2 hours\n- Abnormal priority troubleshooting order: **Spraying → Mold temperature → Mold cleaning → Formula**\n\n\n### Two-week results (trial production stage)\n- **Defective appearance rate**: reduced from about 3.6% to 4.2% to 1.4% to 2.0%\n- **Mold cleaning cycle**: increased from every 70~90 molds to every 120~150 molds\n- **Demolding stability**: Night shift fluctuations are significantly reduced, and the consistency of continuous production is improved.\n\n### Reusable experience\n1. Doing \"process consistency\" first, and then discussing \"formula pros and cons\" can significantly reduce misjudgments.\n2. In the case of precast concrete, the selection of release agent should be defined simultaneously with the mold temperature range.\n3. Evaluation using the dual indicators of \"defect rate + mold cleaning cycle\" is closer to the true cost than just looking at the unit price.\n\n### Applicable boundary description\nThe results of this case are based on the customer's current mold status, temperature and humidity conditions, and production line rhythm. Under different component shapes, demoulding methods and surface quality standards, it is recommended to conduct sample verification first and then scale up to full line applications.\n\n### Consulting advice\nIf you need to evaluate similar working conditions, the following parameters can be provided: component type, mold temperature range, production line rhythm, demoulding method and current defect manifestation. We can provide a practical initial process window suggestion.",{"data":18},{"id":19,"attributes":20},567,{"name":21,"alternativeText":22,"caption":22,"width":23,"height":24,"formats":25,"hash":55,"ext":27,"mime":31,"size":56,"url":57,"previewUrl":22,"provider":58,"provider_metadata":22,"createdAt":59,"updatedAt":59},"case_6_1x.webp",null,960,540,{"small":26,"medium":37,"thumbnail":46},{"ext":27,"url":28,"etag":29,"hash":30,"mime":31,"name":32,"path":22,"size":33,"width":34,"height":35,"sizeInBytes":36},".webp","https://assets.chinareleaseagent.com/small_case_6_1x_ed78c8e658.webp","8e84a31a7b92b9f0e91e6f3fd537a606","small_case_6_1x_ed78c8e658","image/webp","small_case_6_1x.webp",6.6,500,281,6602,{"ext":27,"url":38,"etag":39,"hash":40,"mime":31,"name":41,"path":22,"size":42,"width":43,"height":44,"sizeInBytes":45},"https://assets.chinareleaseagent.com/medium_case_6_1x_ed78c8e658.webp","7127a13f6e0af46033c9c568cb03146b","medium_case_6_1x_ed78c8e658","medium_case_6_1x.webp",10.63,750,422,10630,{"ext":27,"url":47,"etag":48,"hash":49,"mime":31,"name":50,"path":22,"size":51,"width":52,"height":53,"sizeInBytes":54},"https://assets.chinareleaseagent.com/thumbnail_case_6_1x_ed78c8e658.webp","3bb0aaea348d198aab6f7c21335474a2","thumbnail_case_6_1x_ed78c8e658","thumbnail_case_6_1x.webp",2.47,245,138,2474,"case_6_1x_ed78c8e658",18.43,"https://assets.chinareleaseagent.com/case_6_1x_ed78c8e658.webp","aws-s3","2026-03-05T03:35:46.584Z",{"data":22},{"data":62},[63,196,315,365,403,453],{"id":64,"attributes":65},1,{"createdAt":66,"updatedAt":67,"publishedAt":68,"name":69,"Model":70,"Origin":71,"Applications":72,"Properties":73,"PH":74,"Density":22,"Dimensions":22,"Storage":75,"Transportation":76,"slug":77,"sort":64,"flashPoint":78,"freezingPoint":79,"useTemperature":80,"package":81,"shelfLife":82,"dilutionRatio":83,"description":84,"advantagesTitle":85,"locale":15,"cover":86,"images":112,"cate_product":186},"2025-07-28T06:07:06.423Z","2026-03-04T13:44:46.975Z","2025-07-28T06:07:07.296Z","Industrial Water Based Precast Concrete Release Agent","GP-4","China","Precast concrete components, architectural concrete, municipal concrete products, and pipe pile applications.","VOC-conscious, high dilution capability, even film formation, and reduced surface defect risk.","6-8","Store in a cool, dry place indoors","7-20 days","water-based-precast-concrete-release-agent","> 93°C","-7℃","70-250℃","50kg/barrel,200kg/barrel","12 months","3-20 times","Water-based emulsion release agent for precast concrete molds. Designed to reduce sticking, surface pores, and mold contamination while supporting cleaner demolding and stable daily production.","Product Advantage",{"data":87},{"id":88,"attributes":89},149,{"name":90,"alternativeText":91,"caption":77,"width":92,"height":92,"formats":93,"hash":107,"ext":27,"mime":31,"size":108,"url":109,"previewUrl":22,"provider":58,"provider_metadata":22,"createdAt":110,"updatedAt":111},"concrete-products-with-water-based-concrete-release-agent.webp","Concrete products with smooth surface after using release 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concrete release agent  and smooth concrete finish after demolding","Water-based concrete release agent ensures flawless demolding and smooth concrete 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segments produced with water-based release agent showing smooth surface finish","Concrete segments with flawless demolding using our concrete release 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tunnel segments produced with release agent for smooth demolding","Tunnel segments with smooth surface using concrete release 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Release Agent","2025-07-28T06:05:25.536Z","2026-03-04T13:41:05.130Z","2025-07-28T06:05:30.308Z","concrete-release-agent","Professional Concrete Release Solutions: Flawless Finishes for Every Mold","High-performance formulas for flawless precast concrete",{"id":197,"attributes":198},2,{"createdAt":199,"updatedAt":200,"publishedAt":201,"name":202,"Model":203,"Origin":71,"Applications":204,"Properties":205,"PH":206,"Density":22,"Dimensions":22,"Storage":75,"Transportation":76,"slug":207,"sort":197,"flashPoint":78,"freezingPoint":208,"useTemperature":209,"package":81,"shelfLife":82,"dilutionRatio":210,"description":211,"advantagesTitle":85,"locale":15,"cover":212,"images":236,"cate_product":312},"2025-09-02T08:10:33.913Z","2026-03-04T13:44:50.685Z","2025-09-02T08:42:14.358Z","Industrial Oil Based Precast Concrete Release Agent","PC-502","Large precast components, complex mold structures, and high-load demolding scenarios.","Fast film formation, strong release effect, and consistent performance under demanding plant conditions.","6--8","oil-based-precast-concrete-release-agent"," -7℃","Normal Temperature","No Dilution Allowed","Solvent-type release agent for precast concrete molds with complex geometry. Provides stable release performance, better anti-rust protection, and cleaner mold surfaces in continuous production.",{"data":213},{"id":214,"attributes":215},146,{"name":216,"alternativeText":217,"caption":207,"width":92,"height":92,"formats":218,"hash":231,"ext":27,"mime":31,"size":232,"url":233,"previewUrl":22,"provider":58,"provider_metadata":22,"createdAt":234,"updatedAt":235},"oil-based-concrete-release-agent.webp","Concrete product with smooth surface using oil-based release 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Based Precast Concrete Release Agent .png","Oil-based concrete release agent with precast concrete products showing smooth demolding","Oil-based concrete release agent for precast concrete",{"small":245,"thumbnail":253},{"ext":246,"url":247,"hash":248,"mime":249,"name":250,"path":22,"size":251,"width":34,"height":34,"sizeInBytes":252},".png","https://assets.chinareleaseagent.com/uploads/small_Oil_Based_Precast_Concrete_Release_Agent_1_7143ee3ce3.png","small_Oil_Based_Precast_Concrete_Release_Agent_1_7143ee3ce3","image/png","small_Oil Based Precast Concrete Release Agent 1.png",118.64,118635,{"ext":246,"url":254,"hash":255,"mime":249,"name":256,"path":22,"size":257,"width":105,"height":105,"sizeInBytes":258},"https://assets.chinareleaseagent.com/uploads/thumbnail_Oil_Based_Precast_Concrete_Release_Agent_1_7143ee3ce3.png","thumbnail_Oil_Based_Precast_Concrete_Release_Agent_1_7143ee3ce3","thumbnail_Oil Based Precast Concrete Release Agent 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deck using concrete release agent with smooth finish","Concrete release agent for bridge decks",{"small":295,"thumbnail":301},{"ext":246,"url":296,"hash":297,"mime":249,"name":298,"path":22,"size":299,"width":34,"height":34,"sizeInBytes":300},"https://assets.chinareleaseagent.com/uploads/small_Oil_Based_Precast_Concrete_Release_Agent_3_1683f39b92.png","small_Oil_Based_Precast_Concrete_Release_Agent_3_1683f39b92","small_Oil Based Precast Concrete Release Agent 3.png",118.08,118080,{"ext":246,"url":302,"hash":303,"mime":249,"name":304,"path":22,"size":305,"width":105,"height":105,"sizeInBytes":306},"https://assets.chinareleaseagent.com/uploads/thumbnail_Oil_Based_Precast_Concrete_Release_Agent_3_1683f39b92.png","thumbnail_Oil_Based_Precast_Concrete_Release_Agent_3_1683f39b92","thumbnail_Oil Based Precast Concrete Release Agent 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