Customization: | Available |
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Carrier: | PVC |
Color: | White |
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DESCRIPTION |
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MODEL | High Fluidity General Purpose Polyformaldehyde |
PERFORMANCE | ·Acid resistance ·Abrasion resistance ·High-hardness |
·Antibacterial ·Chemical stability ·Low COF | |
·Solvent resistance ·Dimensional stability ·Low shrinkage | |
·Fatigue resistance ·Good electrical properties ·High fluidity | |
APPLICATION | ·Lighter ·Zipper · Button |
APPEARANCE | ·WHITE GRANULAR |
MOLDEING | ·Injection molding |
PHYSICAL PROPERTY OF M90 | DATA | UNIT | STANDARD |
DENSITY | 1.41 | g/cm3 | ISO 1183 |
MFR (190ºC/2. 16Kg) | 9+1.0 | g/ 10min | ISO 1133 |
WATER ABSORPTION (24h, 23ºC) | 0. 12 | % | ISO 62 |
TENSILE STRENGTH | 62 | MPa | ISO 527-2 |
TENSILE MODULUS | 2600 | MPa | ISO 527-2 |
ELONGATION AT BREAK | 35 | % | ISO 527-2 |
BENDING STRENGTH | 90 | MPa | ISO 178 |
BENDING MODULUS | 2600 | MPa | ISO 178 |
CHARPY NOTCHED IMPACT STRENGTH | 6.0 |
KJ/m2 | ISO 179/ 1eA |
PHYSICAL PROPERTIES OF M270 | DATA | UNIT | STANDARD |
DENSITY | 1.41 | g/cm3 | ISO 1183 |
MFR (190ºC/2. 16Kg) | 27 | g/ 10min | ISO 1133 |
WATER ABSORPTION (24h, 23ºC) | 0. 12 | % | ISO 62 |
TENSILE STRENGTH | 62 | MPa | ISO 527-2 |
TENSILE MODULUS | 2700 | MPa | ISO 527-2 |
ELONGATION AT BREAK | 25 | % | ISO 527-2 |
BENDING STRENGTH | 89 | MPa | ISO 178 |
BENDING MODULUS | 2550 | MPa | ISO 178 |
CHARPY NOTCHED IMPACT STRENGTH | 4.5 |
KJ/m2 | ISO 179/ 1eA |
SUGGESTIONS ON THE INJECTION MOLDING PROCESS |
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DRY: | 80 - 90ºC, 3-4 hours |
PROCESS TEMPERATURE: |
Nozzle: 180 - 210 (ºC) The front section of barrel: 190 - 210 (ºC) The middle section of barrel: 170 - 200 (ºC) Rear section of barrel: 160 - 180 (ºC) |
MELT TEMPERATURE: | 180 - 210 (ºC) |
MODEL TEMPERATURE: | 60 - 90 (ºC) (The mold temperature of precision parts can be i120ºC) |
PRESSURE: | Injection pressure: 50 - 100 MPa Holding pressure: 30 - 80 MPa Back pressure: 0 - 0.5 MPa |
Screw speed: | 50 - 120 rpm |
RoHS | PFOS | Halogens |
SVHC | DMF | Migration |
Organotin (DBT | EN71-3 | Motorola w18 |
UL | FDA | NSF |
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