plastics
Plastics are a wide range of synthetic or semi-synthetic materials that use polymers as a main ingredient. Their plasticity makes it possible for plastics to be moulded, extruded or pressed into solid objects of various shapes.
- Plasticizers (DOP, DINP, DOTP, DBP etc. )
- PVC Resin
- PET Resin
Plasticizers
Plasticizers DOP
| Item | Test Method | Unit | Value |
|---|---|---|---|
| Molecular Weight | – | – | 390 |
| Acidity | KSM1974 | mgKOH/g | 0.03 Max |
| Color | ASTMD1045 | Pt/Co | 30 Max |
| Density | ASTMD1045 | g/cm3 | 0.986 +/- 0.002 |
| Water Content | ASTMD 1364 | Wt% | 0.03 Max |
| Ester Content | G/C | Wt% | 99.8% Min |
| Heat Loss | ASTMD1203 | Wt% | 0.07 max |
| Volume Resistivity | ASTMD1169 | Q cm | 2×1011 |
| Characteristics | General Purpose | ||
Plasticizers DINP
| Property | Method | Condition | Unit | Value |
|---|---|---|---|---|
| Color | JIS K6751 | – | APHA | 25 Max. |
| Acidity | JIS K6751 | – | KOH mg/g | 0.03 Max. |
| Acid Value After Heating | JIS K6751 | after 125℃x3hr | KOH mg/g | 0.07 Max. |
| Ester Value | JIS K6751 | – | – | 268±3 |
| Refractive Index | JIS K6751 | 25℃ | nD20 | 1.486±0.003 |
| Heat Loss | JIS K6751 | 125℃x3hr | wt.% | 0.07 Max |
| Molecular Weight | – | – | – | 419 |
| Viscosity | – | – | cps | 52(25℃) |
| Boiling Point | – | – | ˚C | 400 |
| Freezing Point | – | – | ˚C | -49 |
| Flash Point | – | – | ˚C | 213 |
| – | JIS K6751 | 30℃ | Ω.cm | 3E11 Min. |
| – | ASTM D 1364 | – | wt% | 0.975±0.003 |
Plasticizers DOTP
| Test Item | Unit | Spec. | Test Method |
|---|---|---|---|
| Color | APHA | Max 15 | JIS K6751 |
| Specific Gravity | 20/20oC | 0.984 ± 0.003 | JIS K6751 |
| Acid Value | KOH mg/g | Max 0.03 | JIS K6751 |
| Ester Contents | wt% | Min 99.6 | G/C |
| Refractive Index | n.25/D | 1.487 ± 0.003 | JIS K6751 |
| Heat Loss | 125oC, 3hr, wt% | Max 0.10 | JIS K6751 |
| Volume Tesistance | Ω-cm, 30oC | Min 4 x 1011 | JIS K6751 |
Plasticizers DBP
| Test Item | Unit | Spec. | Test Method |
|---|---|---|---|
| Color | APHA | Max 20 | JIS K6751 |
| Specific Gravity | 20oC | 1.048 ± 0.003 | JIS K6751 |
| Acid Value | KOH mg/g | Max 0.03 | JIS K6751 |
| Ester Contents | wt% | Min 99.0 | G/C |
| Refractive Index | n.25/D | 1.491 ± 0.003 | JIS K6751 |
| Heat Loss | 125oC, 3hr, wt% | Max 0.30 | JIS K6751 |
| Volume Tesistance | Ω-cm, 30oC | Min 3 x 109 | JIS K6751 |
PVC Resin
| Specification | SG3 | SG5 | SG7 | SG8 | |
| ml/g Viscosity (or K-value) | 135-127(72-71) 1350-1250 | 118-107(68-66) 1100-1000 | 95-87(62-60) 850-750 | 86-73(59-55) 750-650 | |
| Number of impurity particles ≤ | 30 | 30 | 30 | 30 | |
| Volatile content % ≤ | 0.40 | 0.40 | 0.40 | 0.40 | |
| Bulk density g/ml ≥ | 0.42 | 0.45 | 0.45 | 0.45 | |
| Residue after sieve % | 0.25mm≤ Mesh | 2.0 | 2.0 | 2.0 | 2.0 |
| 0.0063m≤ Mesh | 90 | 90 | 90 | 90 | |
| Number of grain 400cm2 ≤ | 40 | 40 | 50 | 50 | |
| Plasticizer absorbency value of 100g resin g ≥ | 25 | 17 | – | – | |
| Whiteness (160oc, 10min) % ≥ | 75 | 75 | 70 | 70 | |
| Conductivity of aqueous extract[Us/(cm.g)] ≤ | 5 | – | – | – | |
| Residual vinyl chloride mg/kg ≤ | 10 | 10 | 10 | 10 | |
| Residual ethylidendichloride ug/g ≤ | 150 | 150 | 150 | 150 | |
PET Resin
| Item | Unit | Index |
|---|---|---|
| I.V. | dL/g | 0.85 ± 0.02 |
| Crystallinity | % | ≤ 60 |
| Content of COOH | mol/t | ≤ 25 |
| Content of Acetaldehyde | ppm | ≤ 1.0 |
| Dust Content | ppm | ≤ 100 |
| Melting Point | ℃ | ≥ 248 |
| Wt. of 100 Chips | g | 1.55 ± 0.10 |
| Color Value L | – | ≥ 82 |
| Color Value B | – | ≤ 1.0 |
