抗紫外线PMMA IRK-304三菱丽阳

PMMA IRK-304南通三菱丽阳--The main characteristics of IR K304 are asfollows:

Impact modification

UV stabilization

Physical properties rating system of units test method

Density 1.17 g / cm? ISO 1183

Melting rate (melt flow rate) (230 ° C / 3.8 kg) 3.0 g / 10 minISO 1133

Spiral flow internal method

--1.15.0 cm internal method

--2.27.0 cm internal method

Shrinkage 0.30 to 0.70% internal method

Water absorption (23 ° C, 24 hr) 0.30% ISO 62

Hardness rating system of units test method

Rockwell hardness (M scale) 80 ISO 2039-2

Mechanical properties rating system of units test method

Tensile modulus 2300 MPa ISO 527-2 / 1A / 1

Tensile stress 65.0 MPa ISO 527-2 / 1A / 5

Tensile strain (fracture) 19% ISO 527-2 / 1A / 5

Bending modulus 2400 MPa ISO 178

Bending stress 98.0 MPa ISO 178

Test method of impulse performance rating unit system

Notched impact strength of simply supported beam 2.6 kJ / m ²ISO 179 / 1ea

Notchless impact strength of simply supported beam 43 kJ / m ²ISO 179 / 1eu

Notched impact strength of cantilever beam 2.9 kJ / m ² ISO 180/ 1A

Thermal performance rating system of units test method

Hot deformation temperature (1.8 MPa, not annealed) 93.0 ° C ISO75-2 / A

Vicat softening temperature 98.0 ° C ISO 306 / b

Linear thermal expansion coefficient - flow 8.0e-5 cm / cm / ° CASTM d696

Specific heat 1500 J / kg / ° C JIS k7123

Thermal conductivity 0.20 w / M / K ASTM c177