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Properties: A thin and soft transparent flake. Made of plastic, adhesive, rubber or other materials. The scientific explanation is: a two-dimensional material formed by the deposition of atoms, molecules or ions on the surface of a substrate.
Classification:special for matte film, special for shrink film, special for twisting film, special for thermal transfer film, special for sheet material, special for high-speed drawing film, for packaging film, packaging film grade, recording film grade, capacitor film grade, Dayou photopolymer Ester slices.
Properties:A thin and soft transparent flake. Made of plastic, adhesive, rubber or other materials. The scientific explanation is: a two-dimensional material formed by the deposition of atoms, molecules or ions on the surface of a substrate.
Uses:Widely used in food, glass fiber reinforced plastic, building materials, printing and medical and health industries.
Film grade base polyester chip performance items and indicators
| Serial number | Project | Premium | First grade | Qualified product |
| 1 | Intrinsic viscosity | M1a±0.012 | M1±0.015 | M1±0.020 |
| 2 | Melting point/℃ | M2b±2 | M2±3 | M2±4 |
| 3 | Condensed carboxyl group content/(mol/t) | M3c±4 | M3±5 | M3±5 |
| 4 | Chroma b value | M4d±2.0 | M4土2.0 | M4±2.5 |
| 5 | Moisture/%* | 0.4 | 0.4 | 0.5 |
| 6 | Aggregated particles/(pieces/mg) right | 1 | 4 | 6 |
| 7 | Diethylene glycol content/% | M5e±0.3 | M5±0.4 | M5±0.5 |
| 8 | Iron/(mg/kg) | 2 | 5 | 6 |
| 9 | Powder/(mg/kg) | 100 | ||
| 10 | Abnormal section / % right | 0.4 | 0.5 | 0.6 |
| aM₁ is the central value of intrinsic viscosity, which is determined by negotiation between the supplier and the buyer, and shall not be changed arbitrarily after determination. bM2 is the central value of the melting point, which is determined by negotiation between the supplier and the buyer, and shall not be changed arbitrarily after determination. cM3 is the central value of the mouth base content, which is determined by the supply and demand sides within the range of 14mol/t ~ 36mol/t, and shall not be arbitrarily changed after determination. dM4 is the central value of the chromaticity b value, which is determined by both the supply and demand sides within the range of<8.0, and shall not be arbitrarily changed after determination. eM5 is the central value of diethylene glycol content, which is determined by both the supply and demand sides within the range of 0.6% to 2.0%, and shall not be arbitrarily changed after determination. | ||||
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