Silicone Masterbatch PET chips (Film-grade)
Physical and mechanical properties of products
| Item | Unit | Control index | test index | Test method | |
| Exterior | - | ||||
| Intrinsic viscosity | dl/g | 0.650±0.015 | 0.652 | ||
| Carboxyl content | mol/t | ≤32 | 12.37 | ||
| Color value (drying) | L | - | ≥80 | 82.32 | |
| b | - | 4.0±4.0 | 2.95 | ||
| Alien particles | wt% | ≤4 | 0 | ||
| 100-grain weight | g/100 | 3±0.5 | 2.89 | GB/T1793 2-2013 | |
| Water conent | wt% | ≤0.4 | 0. 06 | ||
| Diethylene glycol content | wt% | 1±0.3 | 1. 09 | ||
| Melting point | ℃ | 260±2 | 259.8 | ||
| Silicon dioxide content | mg/kg | 3300±250 | 3348.2 | ||
| Agglomerated particles(≥10μm) | unit/mg | ≤0.4 | 0 | ||
| powder | mg/kg | ≤100 | 16 | ||
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