Acrylic (PMMA) Testing
Applicable materials: General grade PMMA, heat-resistant PMMA, impact resistant PMMA, extrusion grade PMMA, injection grade PMMA, acrylic sheet, acrylic rod, acrylic film and other polymethyl methacrylate materials and products.
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Product Introduction
Detection range
Applicable materials: General grade PMMA, heat-resistant PMMA, impact resistant PMMA, extrusion grade PMMA, injection grade PMMA, acrylic sheet, acrylic rod, acrylic film and other polymethyl methacrylate materials and products.
Applicable products: transparent panels, lighting fixtures, optical lenses, advertising signs, bathroom products, decorative panels, car lampshades, electronic windows, optical grade products, etc.
Applicable scenarios: raw material acceptance, formula development, factory inspection, type testing, optical performance verification, environmental and safety assessment, quality arbitration.
Testing items
(1) Appearance and physical and chemical properties
Appearance: Particle/board color, transparency, impurities, black spots, crystal dots, bubbles, scratches, deformation, color difference.
Physical and chemical properties: density, ash content, volatile matter, moisture, melt mass flow rate (MFR).
(2) Mechanical properties
Tensile strength, elongation at break, flexural strength, flexural modulus.
Impact strength of simply supported beams/cantilever beams (at room temperature and low temperature).
Rockwell hardness, compressive strength, scratch resistance.
(3) Thermal properties
Vicat softening temperature and thermal deformation temperature.
Melting temperature and glass transition temperature.
Thermal oxidative aging, heat resistance, and thermal stability.
(4) Optical Performance (Core Project)
Transmittance, haze, glossiness, refractive index.
Optical distortion, color difference, and resistance to yellowing.
(5) Environmental resistance performance
Weather resistance, xenon lamp aging, ultraviolet aging, and humid heat aging.
Resistant to chemical reagents, water, alcohols, and oil stains.
Environmental stress cracking resistance.
(6) Processing and usability performance
Shrinkage rate and dimensional stability during molding.
Hot bending performance, polishing performance, adhesive performance.
Flame retardant performance (oxygen index, vertical combustion).
(7) Environmental Protection and Safety Performance
Heavy metals RoHS, Halogen VOC.
Migration of food contact materials and sensory requirements.
Testing standards
GB/T 26127-2024 Plastic polymethyl methacrylate (PMMA) molding and extrusion materials
GB/T 3682.1-2018 Determination of Plastic Melt Flow Rate
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 1033.1-2022 Determination of Plastic Density
GB/T 2410-2023 Test Method for Transmittance and Haze of Transparent Plastics
GB/T 7141-2023 Plastic Thermal Aging Test Method
GB/T 16422.2-2022 Xenon Lamp Aging Test
GB 4806.7-2016 Plastic materials and products for food contact
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.
