Polyvinyl Chloride (PVC) Testing
Applicable materials: General PVC, Soft PVC, Hard PVC, Plasticized PVC, Matte PVC, Medical PVC, Food Contact PVC, Modified PVC, PVC Paste Resin and other PVC raw materials and mixtures.
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Product Introduction
Detection range
Applicable materials: General PVC, Soft PVC, Hard PVC, Plasticized PVC, Matte PVC, Medical PVC, Food Contact PVC, Modified PVC, PVC Paste Resin and other PVC raw materials and mixtures.
Applicable products: pipes, profiles, sheets, films, cable materials, synthetic leather, toys, packaging, medical products, building materials, injection molded and extruded products, etc.
Applicable scenarios: raw material acceptance, formula development, factory inspection, type testing, environmental and safety assessment, quality arbitration.
Testing items
(1) Appearance and physical and chemical properties
Appearance: Particle/product color, impurities, black spots, bubbles, cracks, deformation, glossiness.
Physical and chemical properties: density, volatile matter, moisture, ash content, melt flow rate (applicable to pellets), Shore hardness.
(2) Mechanical properties
Tensile strength, elongation at break, yield strength
Bending strength, bending modulus
Impact strength of simply supported beam/cantilever beam
Compression strength, tear strength, wear resistance
(3) Thermal and aging properties
Vicat softening temperature, hot deformation temperature
Thermal stability, Congo red method thermal stability time
Thermal oxidative aging, UV/xenon lamp aging, weather resistance
(4) Environmental Protection and Safety (Key PVC Project)
Phthalate plasticizers (16P/23P, etc.)
Heavy metals: lead, cadmium, mercury, hexavalent chromium
Polycyclic aromatic hydrocarbons, halogens RoHS,REACH
Residual amount of vinyl chloride monomer (VCM)
Total migration of food contact and migration of specific elements
Combustion performance, smoke density, toxic gases
(5) Electrical performance (special for cable materials)
Volume resistivity, surface resistivity
Dielectric strength, dielectric loss
Arc and Leakage Tracking Index (CTI)
(6) Medium resistance and processing performance
Resistant to oil, acid and alkali, and chemical reagents
Resistant to environmental stress cracking
Shrinkage rate and dimensional stability during molding
Low temperature brittleness temperature
Testing standards
GB/T 5761-2018 Suspension Method Universal Polyvinyl Chloride Resin
GB/T 3402-2019 Plastic homopolymer and copolymer resin of vinyl chloride
GB/T 2546.1-2024 Plastics - Polyvinyl chloride (PVC) molding and extrusion materials - Part 1
GB/T 2546.2-2024 Plastics - Polyvinyl chloride (PVC) molding and extrusion materials - Part 2
GB/T 1040.1-2018 Plastic Tensile Properties
GB/T 9341-2008 Plastic Bending Properties
GB/T 1843-2008 Impact Strength of Plastic Cantilever Beams
GB/T 1633-2023 Vicat softening temperature
GB/T 1634.2-2019 Hot Deformation Temperature
GB/T 8815-2024 Test Method for Thermal Stability of Plastic Vinyl Chloride Resin
GB/T 9349-2021 Plastics - Determination of thermal stability of polyvinyl chloride, related chlorine containing homopolymers and copolymers
GB/T 3401-2019 Determination of vinyl chloride monomer content in plastics
GB 4806.7-2016 Plastic materials and products for food contact
GB/T 1408.1-2023 Test Method for Electrical Strength of Insulation Materials
was established in 2011. As a national high-tech enterprise recognized by the Zhejiang Provincial Higher People's Court as a judicial authentication institution for construction engineering quality, we specialize in structural performance testing and safety assessment of construction projects, special equipment, communication towers, electromagnetic environments, large bridges, and building safety appraisal.
The company has more than 100 professional and technical personnel, over 90% of whom hold various medium and senior technical certificates. Equipped with complete testing equipment worth over RMB 10 million, our business scope covers the whole country.
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