EPS Beads
Expandable Polystyrene
EPS Raw Raterials
Expandable Polystyrene (EPS) is a lightweight, rigid, and versatile plastic foam material widely used for its excellent insulation properties and cushioning capabilities. Composed of polystyrene beads infused with a blowing agent like pentane, EPS expands when heated, making it ideal for products requiring thermal insulation, shock absorption, and moisture resistance. This material is extensively used in packaging sensitive electronics and appliances, building insulation, and disposable containers and cups. Its ability to maintain structural integrity while absorbing impacts makes it invaluable in protecting items during transportation.
| Model | Bead Size (mm) | Foam Density (g/L) |
|---|---|---|
| A-103 | 1.00-1.60 | 11-14 |
| A-104 | 0.85-1.25 | 12-15 |
| A-105 | 0.70-1.00 | 13-17 |
| A-106 | 0.50-0.80 | 14-18 |
| A-107 | 0.40-0.60 | 15-18 |
| A-108 | 0.30-0.50 | 20-28 |
The expansion ratio of standard grade EPS can be slightly increased to enhance preservation and achieve more rigid molding. This product is noted for its excellent fusion and smooth surface, offering a wide range of operational flexibility and high applicability in various industries. Furthermore, it is characterized by minimal shrinkage and distortion, ensuring consistent performance and reliability in its many applications.
Expandable Polystyrene
Standard Grade EPS
Standard grade Expandable Polystyrene (EPS) is made from a raw material designed to achieve a light gram weight through a single expansion, with even lighter densities possible after multiple expansions. This material is highly versatile and can be used across a broad range of applications. It is ideal for packaging machinery and electronic products, as well as serving as a reliable packaging solution for agricultural and fishery products. In the construction sector, it is used for thermal insulation and heat preservation, enhancing building efficiency. Additionally, standard grade EPS is utilized in making fishery flotation buoys, various crafts, and decorative materials. It is also employed in food and beverage containers, lost foam casting, and the manufacture of lightweight, durable lighting equipment.
Expandable Polystyrene
Light Grade EPS
Light grade Expandable Polystyrene (EPS) is a versatile, general-purpose raw material that achieves a lighter weight through single-time foaming. It is especially effective for multiple foamings to produce even lighter foamed plastic products, making it ideally suited for primary foaming at 18g/L, and subsequently achieving densities as low as 10 g/L through additional foamings. This product line is characterized by a high foaming rate, rapid foaming speed, and low energy consumption, which contribute to resource conservation. Additionally, it features a short curing time and molding cycle, coupled with a quick rebound capability, making it perfect for bake-free lightweight packaging.
| Model | Bead Size (mm) | Foam Density (g/L) |
|---|---|---|
| B-103 | 1.00-1.60 | 10-12.5 |
| B-104 | 0.85-1.25 | 11-14 |
| B-105 | 0.70-1.00 | 12.5.13 |
| B-106 | 0.50-0.80 | 13-18 |
| B-107 | 0.40-0.60 | 25-33 |
| B-108 | 0.30-0.50 | 18-50 |
Light grade EPS is primarily used in packaging for mechanical and electrical products, fishing float cylinders, and in the creation of handicrafts, decorative building materials, and lost foam casting molds. It is also used in manufacturing lightweight, impact-resistant appliances, lightweight packaging solutions, cutting boards, and lightweight panels.
| Model | Bead Size (mm) | Foam Density (g/L) |
|---|---|---|
| BS-103 | 1.00-1.60 | 9-11.5 |
| BS-104 | 0.85-1.25 | 10-13 |
| BS-105 | 0.70-1.00 | 11.5-12 |
| BS-106 | 0.50-0.80 | 12-17 |
| BS-107 | 0.40-0.60 | 24-32 |
| BS-108 | 0.30-0.50 | 17-49 |
This type of EPS is extensively used in packaging for electromechanical products, fishing float cylinders, and the production of handicrafts, decorative building materials, and lost foam casting molds. It is also employed in creating lightweight, impact-resistant appliances, lightweight packaging solutions, cutting boards, and particularly excels in applications requiring ultra-high magnification and lightweight panels.
Expandable Polystyrene
Super Light Grade EPS
Super light grade Expandable Polystyrene (EPS) is a specialized, lightweight, general-purpose raw material featuring an ultra-high expansion ratio. This material is capable of achieving a significantly reduced weight with a single foaming, and is particularly effective when used for multiple foamings to produce even lighter foamed plastic products. It is optimally used for initial foamings at 16g/L or less, and subsequent foamings can achieve densities below 9g/L. The material boasts a rapid foaming speed, low energy consumption, and resource efficiency. Additionally, it has a short curing time and molding cycle, along with quick rebound characteristics, making it ideal for bake-free lightweight packaging.
Expandable Polystyrene
Flame Retardant Grade EPS
Flame retardant grade Expandable Polystyrene (EPS) is a specialized material known for its superior flame retardant capabilities. This product has earned UL laboratory accreditation, attesting to its safety and effectiveness. It features a high molding rate and rapid foaming ability. During processing, the resulting product exhibits a low shrinkage rate and offers a broad operating range, making it compatible with various manufacturing processes including different types of plates, automatic machines, and manual presses.
| Model | Bead Size (mm) | Foam Density (g/L) |
|---|---|---|
| C-102 | 1.40-2.00 | 14-20 |
| C-103 | 1.00-1.60 | 10-12.5 |
| C-104 | 0.85-1.25 | 11-14 |
| C-105 | 0.70-1.00 | 12.5-13 |
| C-106 | 0.50-0.80 | 13-18 |
| C-107 | 0.40-0.60 | 25-33 |
| C-108 | 0.30-0.50 | 18-50 |
Flame retardant grade EPS is extensively utilized in a range of sectors. It is a key component in building insulation materials, serves as electrical structural parts, and is used as lightweight filling materials. Additionally, it is ideal for packaging precision electronic equipment, where enhanced protection against fire is crucial.
| Model | Bead Size (mm) | Foam Density (g/L) |
|---|---|---|
| CF-103 | 1.00-1.60 | 11-14 |
| CF-104 | 0.85-1.25 | 12-15 |
| CF-105 | 0.70-1.00 | 13-17 |
| CF-106 | 0.50-0.80 | 14-18 |
| CF-107 | 0.40-0.60 | 15-18 |
| CF-108 | 0.30-0.50 | 20-28 |
High Flame Retardant Grade EPS is extensively used across multiple sectors. It is crucial for building insulation materials, serves as electrical and structural parts, and is employed as lightweight filling materials. It is also highly effective for the packaging of precision electronic equipment, where robust fire resistance is essential.
Expandable Polystyrene
High Flame Retardant Grade EPS
High Flame Retardant Grade EPS is a premium material renowned for its superior flame retardant capabilities. It has achieved accreditation from the UL laboratory and also holds the B1 certification from the Dujiangyan National Fireproof Building Materials Quality Inspection Center. This product line features enhanced flame retardant properties, a high expansion ratio, and fast processing speeds. It produces items with a low shrinkage rate and a broad operational range during manufacturing, making it suitable for a variety of equipment, including various plates, automatic machines, and manual presses.
Expandable Polystyrene
Fast Cycle Grade EPS
Fast Cycle Grade EPS material is designed for rapid processing, with lower molecular weight and foaming agent content compared to standard A series materials. This results in significantly reduced heating and maturation times, allowing for quick cooling and shaping. The short molding cycle not only saves energy but also enhances productivity. This material is environmentally friendly with low VOC emissions. It produces low-density foamed plastic products with uniform and fine cells, resulting in a bright and smooth appearance. Fast Cycle Grade EPS is ideal for batch pre-foaming machines and vacuum automatic forming machines, where it demonstrates its rapid processing capabilities effectively.
| Model | Bead Size (mm) | Foam Density (g/L) |
|---|---|---|
| D-103 | 1.00-1.60 | 14-17 |
| D-104 | 0.85-1.25 | 15-20 |
| D-105 | 0.70-1.00 | 17-25 |
| D-106 | 0.50-0.80 | 18-29 |
Fast cycle grade EPS is extensively used in various sectors, particularly for electrical and ceramic packaging, as well as for products requiring low magnification.
EPS parameter comparison
| SUNCHEM | KING PEARL | XINGDA | ||||||
| Model | Bead size(mm) | Model | Bead size(mm) | Model | Bead size(mm) | |||
| A-STANDARD GRADE | A-103 | 1.00~1.60 | E-STANDARD GRADE | E-MS | 1.00~1.60 | XB-STANDARD GRADE | PKF-301XB | 1.00~1.60 |
| A-104 | 0.85~1.25 | E-SA | 0.80~1.20 | PKF-302XB | 0.85~1.25 | |||
| A-105 | 0.70~1.00 | E-SB | 0.60~0.90 | PKF-303XB | 0.70~1.00 | |||
| A-106 | 0.50~0.80 | E-S | 0.40~0.70 | PKF-401XB | 0.50~0.80 | |||
| B- HIGH EXPANSION GRADE | B-103 | 1.00~1.60 | H- HIGH EXPANSION GRADE | P-MS | 1.00~1.60 | XJ- HIGH EXPANSION GRADE | PKF-301XJ | 1.00~1.60 |
| B-104 | 0.85~1.25 | P-SA | 0.80~1.20 | PKF-302XJ | 0.85~1.25 | |||
| B-105 | 0.70~1.00 | P-SB | 0.60~0.90 | PKF-303XJ | 0.70~1.00 | |||
| B-106 | 0.50~0.80 | P-S | 0.40~0.70 | PKF-401XJ | 0.50~0.80 | |||
| C-SELF EXTINGUISHING GRADE | C-103 | 1.00~1.60 | F-SELF EXTINGUISHING GRADE | F-SA | 0.80~1.20 | F-SELF EXTINGUISHING GRADE | ZKF-301 | 1.00~1.60 |
| C-104 | 0.85~1.25 | F-SB | 0.60~0.90 | ZKF-302 | 0.85~1.25 | |||
| C-105 | 0.70~1.00 | F-S | 0.40~0.70 | ZKF-303 | 0.70~1.00 | |||
| C-106 | 0.50~0.80 | ZKF-401 | 0.50~0.80 | |||||
| D-FAST CYCLING GRADE | D-103 | 1.00~1.60 | B-FAST CYCLING GRADE | B-MS | 1.00~1.60 | PKF-FAST CYCLING GRADE | PKF-301XS | 1.00~1.60 |
| D-104 | 0.85~1.25 | B-SA | 0.80~1.20 | PKF-302XS | 0.85~1.25 | |||
| D-105 | 0.70~1.00 | B-SB | 0.60~0.90 | PKF-303XS | 0.70~1.00 | |||
| D-106 | 0.50~0.80 | B-S | 0.40~0.70 | PKF-401XS | 0.50~0.80 | |||