In order to achieve better application of polymer materials, it is necessary to understand the composition, content, and certain physical and chemical properties of polymer materials, and to conduct component analysis and performance testing of polymer materials.

Test category

Rheological properties

Melt mass (volume) flow rate, molding shrinkage rate

Mechanical properties

Tensile modulus of elasticity, tensile stress, tensile strain, tensile creep modulus, bending modulus, strength, impact strength of simply supported beams (cantilever beams)

Tensile impact strength, Shore (Rockwell) hardness, compressive strength

Thermal performance

Melting temperature, glass transition temperature, load deformation temperature, Vicat softening temperature, linear thermal expansion coefficient, combustibility, oxygen index;

Electrical performance

Relative dielectric constant, dielectric loss factor, volume resistivity, surface resistivity, electrical strength, relative leakage tracing index;

Other performance

Water absorption, density, aging performance, etc

Test items

Water absorption

GB/T1034ASTMD570ISO62

Falling ball impact

Q/SQR.04.094Q/SQR.04.134 (low temperature) Q/SQR.04.137 (low temperature)

Density

DIN53479 Method AASTMD792ISO1183GB/T1033

Ball hardness

DIN53456GB/T3398.1ISO2039.1

Scratch resistance

Q/SQR.04.694Q/SQR.04.137

Tensile strength

HG/T3088QC/T639

Tensile elongation at break

GB/T3923.1GB/T3923.2ISO13934-1ISO13934-2ASTMD5034ASTMD5035

Tensile modulus

HG/T3088QC/T639

Tensile yield strength

HG/T3088QC/T639

Bending strength

GB/T9341ISO178ENISO178ASTMD790

Bending modulus

GB/T9341ISO178ENISO178ASTMD790

Compression strength

GB/T1041ISO604ENISO604

Compression modulus

ASTMD695ISO604GB/T1041

Cantilever beam impact

ASTMD256 (with notch) ASTMD4812 (without notch) ISO180GB/T1843

Simply supported beam impact

ASTMD6110ISO179GB/T1043

Ash content

DINEN60ISO3451GT9345ASTMD5630

Compression permanent deformation

ASTMD395ISO815ISO7759

Aging resistance

UV: ASTMG154.REVASAEJ2020GB/T23987ENISO