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Plastic resin testing items-standard testing

Physical properties

Melt mass flow rate
GB / T 3682.1-2018 plastic thermoplastics determination of melt mass flow rate (MFR) and melt volume flow rate (MVR)
density
GB / T 1033.1-2008 Determination of density of plastic non-foam plastics
Water absorption
GB / T 1034-2008 Determination of water absorption of plastics
Water content
GB / T 6283-2008 Determination of moisture content in chemical products Karl Fischer method (general method)

Mechanical behavior

Tensile yield stress
GB / T 1040.1-2006 Determination of tensile properties of plastics
Tensile Strength
GB / T 1040.1-2006 Determination of tensile properties of plastics
Nominal strain at break
GB / T 1040.1-2006 Determination of tensile properties of plastics
Bending strength
GB / T 9341-2000 Test method for flexural properties of plastics
Flexural modulus
GB / T 9341-2000 Test method for flexural properties of plastics

Thermal performance

Vicat softening temperature
GB / T 1633-2000 Determination of the Vicat softening temperature (VST) of thermoplastics
Heat distortion temperature
GB / T 1634.1-2004 Determination of deformation temperature of plastic load

Impact performance

Notched (unnotched) impact strength of simply supported beam
GB / T 1043.1-2008 Determination of impact properties of simply supported plastic beams
Izod (notched) impact strength
GB / T1843-2008 Determination of impact strength of plastic cantilever beams

Flammability

Flammability rating
GB / T 2408-2008 Test method for flammability of plastics horizontally and vertically
Oxygen index (subcontracting)
GB / T 2406.2-2009 Plastics with oxygen index method for determination of combustion behavior

Electrical performance

Surface resistivity (subcontracting)
GB / T 1410-2006 Test method for volume resistivity and surface resistivity of solid insulating materials

Hardness performance

Hardness (Rockwell R scale)
GB / T 3398.2-2008 Plastic hardness determination-Part 2: Rockwell hardness

Elastomer

Tear strength (subcontracting)
GB T529-2008 Determination of tear strength of vulcanized rubber and thermoplastic rubber
GB / T 16578.1 Determination of tear resistance of plastic films and sheets
Compression set (subcontracting)
GB / T 7759.1-2015 Determination of compression set of vulcanized rubber or thermoplastic rubber

Optical performance

Transparent-light transmittance (subcontracting))
GB_T2410-2008 Determination of transparency and haze
Haze (subcontracting)
GB_T2410-2008 Determination of transparency and haze
Refractive index (subcontracting)
ISO 489-1999 Plastics-Determination of refractive index

Food grade

hygiene standard
GB4806.6-2017

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  • Phone: 0574-62534692
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