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Solid Acrylic Resin BP-121 Similar To Paraloid A21
Solid Acrylic Resin BP-121
1. BP-121 is a copolymer of various methacrylates. It offers good heat resistance and durability. It also offers good chemical resistances to alcohol, gasoline and blocks the migration of plasticizer contained in the vinyl resins.
2. BP-121 is with very high hardness and it can improve the intercoat adhesion
3. BP-121 is very compatible with many solvents and nitrocellulose and commonly used in applications of marine coating, plastic coating, and silk screen printing inks.
Specification:
| Item | Value | Unit |
| Appearance | Powder | |
| Glass transition temperature (Tg) | 105 | ℃ |
| Molecular weight (Mw) | 120,000 | g/mol |
| Inherent viscosity (IV) | 0.37 | |
| Acid value | ≤ 4.0 | mgKOH/g |
| Moisture content | ≤ 0.5 | % |
Packaging and storage
1. Packed in composite paper bag with inner plastic bag, 25kg net.
2. Store in cool, dry and ventilated place where the fire and organic solvents are prohibited.
3. Shelf life: 3 years, capable of further use after passing QC inspection.
4. Transport as non-dangerous material.
Packing image
