BS 2782 Methods for Testing Plastics

The BS 2782 series of standards, published by the British Standards Institute (BIS), consists of the following subsections under the main title "Methods for testing plastics":

• BS 2782-0 Introduction
• BS 2782-1 Thermal properties
• Method 120C: Determination of 1/10 vicat softening temperature of thermoplastics
• Methods 121A and 121B: Determination of deflection temperature of plastics under a bending stress
• Method 121C: Determination of deflection temperature under bending stress for rigid thermoset resin bonded laminated plastic sheet
• Method 124A: Determination of softening point of synthetic resin (ring and ball method)
• Method 130A: Determination of thermal stability of polyvinyl chloride by Congo red method
• Methods 134A and 134B: Determination of oxidation induction time of thermoplastics
• Method 135: Setting time-temperature limits after prolonged heat exposure 
• Method 136: Determination of short-term performance of thermoset molding materials at elevated temperatures
• Method 140A: Determination of combustion behavior of horizontal and vertical samples in contact with a small flame ignition source
• Method 140B: Determination of the combustion behavior of flexible vertical specimens in contact with a small flame ignition source
• Method 140C: Determination of flammability of samples using a 125 mm flame source
• Method 140D: Flammability of a test piece 550 mm x 35 mm thin polyvinyl chloride coating (laboratory method)
• Methods 143A and B: Determination of flammability temperature of materials
• BS 2782-2 Electrical properties
• Method 232: Determination of insulation resistance
• BS 2782-3 Mechanical properties
• Method 323A: Tensile vibration - Non-resonant method
• Method 323B: Bending vibration - Non-resonant method
• Method 323C: Shear vibration - Non-resonant method
• Method 323D: Torsional vibration - Non-resonant method
• Method 323E: Longitudinal and shear vibration - Wave propagation method
• Method 323F: Tensile vibration - Sonic-pulse propagation method
• Method 323G: Complex shear viscosity using parallel plate oscillation rheometer
• Method 352E: Determination of impact strength by the free falling dart method (ladder method)
• Method 352F: Determination of impact strength by the free falling dart method (instrumental puncture test)
• Methods 354A and 354B: Determination of tensile-impact strength
• Method 360A: Determination of tear resistance of plastic film and coating by the Elmendorf method
• Method 365D: Determination of hardness by ball indentation method
• Method 370: Determination of wear resistance of abrasive stones
• BS 2782-4 Chemical properties
• Method 430A: Determination of water absorption at 23 degrees
• Method 430B: Determination of water absorption at 23 degrees with the fraction of water-soluble substances
• Method 430C: Determination of boiling water absorption
• Method 430D: Determination of permissible boiling water absorption for water-soluble substances
• Method 432A: Determination of residual styrene monomer content in reinforced plastics based on unsaturated polyester resins
• Method 432B: Determination of the acid value of unsaturated polyester resins
• Method 432C: Determination of hydroxyl value of unsaturated polyester resins
• Method 432D: Determination of styrene evaporation from unsaturated polyester resins
• Method 433A: Determination of inorganic chlorine in epoxy resins and glycidyl esters
• Method 433B: Determination of inorganic chlorine in epoxy resins and glycidyl esters
• Methods 433C and 433D: Determination of epoxy equivalent of epoxy compounds
• Method 433E: Determination of free acid in acid anhydride for hardeners and accelerators in epoxy resins
• Method 434B: Determination of antioxidants in polyolefin compounds by ultraviolet absorption of chloroform extract
• Method 451A: Determination of acetone solute in phenolic bars
• Method 451S: Plastics - Phenolic resin powder - Sieve analysis using air-jet sieve apparatus
• Method 452D: Determination of pH of water extract of polyolefin compound
• Method 452E: Determination of water-soluble sulfates in polyolefin compound
• Method 452F: Determination of water-soluble chlorides in polyolefin compound
• Method 453C: Determination of residual acrylonitrile monomer content in styrene/acrylonitrile copolymers using gas chromatography
• Method 454E: Determination of plasticizer absorption of PVC resins for general use at room temperature
• Method 454G: Polymer dispersions - Determination of sieve residue (gross particle and curd content)
• Method 459A: Determination of free acidity in cellulose acetate
• Method 470A: Ash determination (general methods)
• Method 470B: Determination of ash from polyalkylene terephthalates
• Method 470C: Determination of unplasticized cellulose acetate ash
• BS 2782-5 Optical and color properties, exposure to weathering
• Method 520A: Determination of mirror brightness
• Method 521A: Determination of turbidity of film and sheet
• Method 531A: Determination of refractive index of clear plastics
• Method 540C: Determination of ultraviolet radiation intensity using polysulfone film
• Method 540D: Methods of exposure to laboratory light sources - General guidance
• Method 540E: Methods of exposure to laboratory light sources - Xenon-arc sources
• Method 540G: Methods of exposure to laboratory light sources - Carbon arc lamps with open flames
• Method 550B: Direct weathering using daylight with a glass filter, exposure to weathering and daylight-condensed weathering using fresnel mirrors
• Method 552A: Determination of color changes in properties after exposure to glass, natural weathering, or daylight under artificial light sources
• BS 2782-6 Dimensional specifications
• Method 630A: Determination of thickness by mechanical scanning of flexible sheet
• Method 631A: Determination of the gravimetric thickness and yield of the flexible sheet
• Method 643B: Determination of dimensional change in film and sheet heating
• Method 644A: Determination of total volume shrinkage of unsaturated polyester and epoxy resins
• BS 2782-7 Rheological properties
• Method 720A: Determination of the melt mass flow rate (MVR) of thermoplastics
• Method 722B: Determination of fluidity of plastics using capillary and slit mold rheometers
• Method 732A: Determination of viscosity number: general conditions
• Method 732B: Determination of viscosity number of poly(vinyl chloride) resins
• Method 732D: Determination of the viscosity of polycarbonate (PC) molding and extrusion materials in dilute solution using capillary viscometer
• Method 732E: Determination of poly (alkylene terephthalates) viscosity number
• Method 732F: Determination of viscosity number of methyl methacrylate polymers
• Method 733A: Determination of the viscosity number of polyamides
• Method 740B: Polymer dispersions and synthetic rubber tires - Freeze-thaw cycle stability test
• BS 2782-8 Other Features
• Method 820A: Determination of water vapor transmission rate (dish method)
• Method 822A: Determination of water vapor transmission rate of plastic films (bag method)
• Method 825A: Film and coating - Determination of blocking resistance
• Method 830A: Test methods for determining the effects of immersion in liquid chemicals
• BS 2782-9 Sampling and test sample preparation
• Method 902A: Plastics - Compression molding of test specimens of thermosetting materials
• Method 910A: Injection molding test examples of thermoplastic materials
• Method 910B: Thermoplastic materials - General principles and injection molding of multipurpose and stick test specimens
• Method 910C: Thermoplastic materials - Small tension rods
• Method 910D: Small plates
• Method 910E: Determination of die shrinkage
• Method 911: Injection molding of multi-purpose thermoset test specimens
• Method 930A: Prepare by machining
• Method 931A: Preparation and use of multi-purpose test specimens
• Method 940A: Preparation of test specimens of amorphous thermoplastics in the form of rods with a certain reversible
• Method 940B: Preparation of test specimens of amorphous thermoplastics with indicated reversal by injection molding of rectangular plates
• Method 941: Determining the maximum recycling of amorphous thermoplastic molding materials
• BS 2782-10 Glass reinforced plastics
• Method 1004: Standard atmospheres for conditioning and testing
• Method 1007: Reinforcement fibers - Sampling plans applicable to lots received
• Method 1008A: General considerations for the determination of mechanical properties in rods made from roving-reinforced resins and preparation of rods
• Method 1008B: Determination of flexural strength in rods made of roving-reinforced resin
• Method 1008C: Determination of compressive strength in rods made of roving-reinforced resins
• Method 1008D: Determination of apparent interlayer shear strength in rods made of roving-reinforced resins
• BS 2782-11 Thermoplastic pipes, fittings and valves
• Method 1110: Tensile properties of dumbbell specimens from PVC trough profiles or pipes for pressureless applications
• Method 1112A: Sealing thermoplastic pipes and fittings for pressureless applications
• Method 1121B: Thermoplastic pipes for conveying fluids - Nominal outside diameters and nominal pressures - Metric series
• Method 1121C: Thermoplastic pipes for conveying fluids - Nominal outside diameters and nominal pressures - Inch based series
• Method 1121H: Thermoplastic pipes for the transport of liquids under pressure - Calculation of head losses
• Method 1127P: Thermoplastic pipes for conveying fluids - Resistance to internal pressure - Test method
• Method 1150B: Butt fusion preparation of polyethylene (PE) pipe/pipe or pipe/fitting test piece assemblies
• Method 1150E: Plastic pipes and fittings - Preparation of test piece assemblies between polyethylene (PE) pipe and electrofusion fitting

Among the numerous test, measurement, analysis and evaluation studies it provides for businesses in various sectors, our organization also provides testing services in accordance with the testing methods of plastics, within the scope of BS 2782, with its trained and expert staff and advanced technological equipment.