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China, Chinese Premium EPDM, HDPE, PPE, and PVC Material Solutions1 Industrial Products Supplier Manufacturer Details, price list catalog:
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Industrial Customized ServicePowder Injection MoldingHDPEPPEand PVC Material SolutionsHDPEEPDM
Yantai Guocheng Metal Products Co., Ltd
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Product Description Product DescriptionEPDM (ethylene propylene diene monomer)Excellent weather resistance (UV and ozone resistance), good elasticity, suitable for sealing strips, waterproof materials, and automotive accessories.HDPE (high-density polyethylene)Lightweight, chemical corrosion resistance, good low-temperature toughness, commonly used in water pipes, packaging bottles, and chemical storage tanks.PP (polypropylene)High temperature resistance (120°C), good rigidity, food-grade safety, suitable for food containers, medical supplies, and automotive parts.PVC (polyvinyl chloride)Low cost, can be hard or soft, but poor weather resistance, hard PVC is used for building materials, soft PVC is used for wire skins, films, etc.Summary in one sentence:EPDM has good weather resistance and elasticity, HDPE is corrosion-resistant and lightweight, PP is high temperature resistant and safe, PVC is cheap but afraid of the sunDetailed PhotosEPDM (ethylene propylene diene monomer rubber)Features: excellent weather resistance, good elasticity, strong insulation.Applications:Automobile seals, wiper stripsBuilding waterproofing membranes, door and window sealsCable insulation, industrial gasketsHDPE (High-density polyethylene)Features: lightweight, chemical-resistant, and good low-temperature toughness.Applications:Packaging (milk bottles, shopping bags)Pipes (water supply and drainage pipes, gas pipes)Chemical storage tanks, geomembranesPVC (polyvinyl chloride)Features: low cost, can be hard or soft (adjusted by plasticizer).Applications:Hard PVC: door and window profiles, sewer pipesSoft PVC: wire and cable skins, inflatable toysFilm: packaging, raincoatsTemperature resistance: PP > EPDM > HDPE > PVCWeather resistance: EPDM > PP > HDPE > PVCOil resistance: PP ≈ HDPE > PVC > EPDM (neither is resistant to strong oil)Cost: PVC < HDPE ≈ PP < EPDMNeed flexibility & weather resistance → Choose EPDM (such as outdoor seals)Need lightweight & corrosion resistance → Choose HDPE (such as chemical storage tanks)Contact food & high temperature → Choose PP (such as lunch boxes)Low cost & rigid requirements → Choose hard PVC (such as building materials) Product Parameters1. Material Properties ComparisonPropertyEPDM (Ethylene Propylene Diene Monomer)HDPE (High-Density Polyethylene)PP (Polypropylene)PVC (Polyvinyl Chloride)Density (g/cm3)1.1-1.40.93-0.970.89-0.911.3-1.45 (rigid PVC)Temp. Range-50°C to +150°C-50°C to +80°C-20°C to +120°C-10°C to +60°C (flexible PVC higher)Weather ResistanceExcellent (UV/ozone resistant)Moderate (requires additives)Good (with stabilizers)Poor (needs UV stabilizers)Chemical ResistanceResists water, acids, alkalis; poor with oilsResists acids/alkalis; poor with solventsResists acids/alkalis; poor with aromaticsResists acids/alkalis; poor with esters/ketonesMechanical StrengthHigh elasticity, adjustable hardnessHigh rigidity, impact-resistantHigh rigidity, brittle at low tempsRigid PVC: strong; Flexible PVC: softElectrical InsulationExcellentExcellentExcellentExcellent (cable sheathing)Eco-FriendlinessRecyclable, non-toxicRecyclable (), food-grade availableRecyclable (), food-gradeContains chlorine, toxic when burnedCostHighLowLowLowestCompany ProfileYantai Guocheng Metal Co., Ltd. was established in 2017. Yantai Gechuan Metal Co., Ltd. focuses on the production of high-quality metal products and parts. As a well-known company in the fields of metal processing and manufacturing, we leverage cutting-edge tools and deep expertise. Located in Shandong Province, our strategic location ensures a critical proximity to business growth, just two hours drive from Qingdao and adjacent to major expressways. Our engineering team specializes in designing and manufacturing steel structures. Proficiency in mechanical welding and strict compliance with strict industry standards reflects our commitment to excellent quality control. CertificationsOn the path of striving for excellence, Yantai Guocheng Metal Products Co., Ltd. has always demanded itself with strict standards and has passed the Environmental Management System Certification, Quality Management System Certification, and Occupational Health and Safety Management System Certification. These certifications are not only a high recognition of our past efforts but also a solid guarantee for the company's development. Our AdvantagesDrawing Software: CAD, SolidWorks, CASA, Pro - cam, CAM - PATHDrawing Formats: PDF, DWG, STEP, JPG, IGS, SLD, SLDPRT, DXPowder coating PolishingSprayingGalvanized (galvanized, nickel plated, chrome plated, silver plated) custom made FAQ Frequently Asked QuestionsQ: Which one is better for outdoor sealing, EPDM or PVC?A: EPDM (UV and ozone resistant, lifespan up to 20 years), PVC tends to become brittle in the long term outdoors.Q: Which one is more resistant to high temperatures, HDPE or PP pipes?A: PP (temperature resistant to 120°C), HDPE only 80°C, but HDPE has better low temperature impact resistance.Q: Why is PVC gradually being replaced?A: Environmental issues (chlorine content, plasticizer migration), some areas use PP or HDPE instead.
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