Policarbonato PC-1220R LOTTE

Nombre del producto: PC – MFI22 – LOTTE – PC 1220R
Categoría: Policarbonato
Información del manual del producto: PC-1220R
Polycarbonate resin
Typical properties1
Test Method
Typical value
Unit
Physical
Melt Flow Index, 300℃, 1.2kg
ASTM D1238
22
g/10min
Specific Gravity
ASTM D792
1.20
Mold Shrinkage
ASTM D955
0.5~0.7
%
Mechanical
Tensile Strength, yield, 50mm/min
ASTM D638
630
kgf/cm2
Tensile Elongation, break, 50mm/min
ASTM D638
> 100
%
Flexural Strength, yield, 10mm/min
ASTM D790
920
kgf/cm2
Flexural Modulus, 10mm/min
ASTM D790
24,000
kgf/cm2
IZOD Impact Strength, notched, 23 ℃, 1/8”
ASTM D256
70
kg∙cm/cm
notched, 23 ℃, 1/4”
ASTM D256

kg∙cm/cm
Thermal
Heat Distortion Temp. 4.6kgf/cm2
ASTM D648
139

18.6kgf/cm2
ASTM D648
128

Vicat Softening Temp. Rate B/50
ASTM D1525
150

Optical
Light Transmittance
ASTM D1003
89
%
Haze
ASTM D1003
< 0.8 % Refractive Index ASTM D542 1.585 Notes ISO 9001, 14001, /TS 16949 1 Typical properties : these are not to be construed as specifications. www.lottechem.com General Information Description Hopelex PC-1220R is low viscosity, high flowability, easy mold release polycarbonate, which is suitable for general injection applications. PC-1220R is especially designed for the purpose of easy mold release of small and complicated injection products. Applications SMALL AND COMPLICATED INJECTION PRODUCTS PC-1220R Polycarbonate resin Processing guides1 Typical value Unit Drying condition Drying temperature 120 ℃ Drying time 4 hr Maximum moisture content 0.02 % Injection molding Melt temperature 290 ~ 310 ℃ Nozzle temperature 280 ~ 300 ℃ Barrel Rear zone 290 ~ 310 ℃ Middle zone 280 ~ 300 ℃ Front zone 270 ~ 290 ℃ Hopper temperature 60 ~ 80 ℃ Mold temperature 60 ~ 90 ℃ Recycling Sprues and runners can be reground with virgin resin within the ratio of 20%. Care must be taken to ensure that the regrind is free from impurities and regrind should not be used in applications where impact performance and/or agency compliance are required. Mold Nozzle Rear zone Middle zone Front zone Hopper Notes ISO 9001, 14001, /TS 16949 1 Processing guides : Typical processing parameters are noted. Actual processing conditions will depend on machine size, mold design, material residence time, shot size, etc. www.lottechem.com