石山 List of News Articles

Increased functionality and aesthetic appeal. Surface processing is possible with expanded polystyrene and expanded polypropylene. The challenges faced by expanded plastic products are resolved through surface processing. Additionally, it enhances added value.

This is an introduction to the low-impurity recycled materials from Ishiyama Co., Ltd. As a manufacturer and seller of plastic products, our company is committed to fulfilling its responsibilities by promoting material recycling and the expansion of sustainable energy use. As part of this effort, we have established a system to re-pelletize expanded polystyrene so that it can be reused as expanded polystyrene once again.

It is made of lightweight and durable EPP, which can keep PET bottle beverages cold. It has a ring hole for attaching items like carabiners, making it easy to attach to work clothes. Weighing approximately 35g, it has flexible storage capacity that accommodates various sizes of PET bottles.

Made of expanded polypropylene, it is lightweight and has a cooling effect (insulation properties). Compared to the same type made of stainless steel (approximately 250g), it is 1/6 the weight, reducing the burden of carrying. It has a ring hole for attaching items like carabiners, making it easy to attach to work clothes.

This is a series of cooler boxes made of expanded polystyrene. With its insulating properties, it is highly effective as a beverage cooler during the hot summer. It is lightweight and comes with a strap (except for some products), making it easy to carry. A catalog with guidelines on the number of beverages that can be stored is currently being distributed.

Because it is made of foam material, it is lightweight and suitable for insulation and refrigeration. When folded, it becomes a compact size of less than half, significantly reducing storage space. Due to the EPP material, it has durability that can withstand repeated use.

We have lined up large-capacity foam containers that are currently active in the Kanto region as coolers for beverages at events, festivals, and local activities. With a thick design, they offer excellent cooling performance. Compared to hard coolers, they are also reasonably priced.

Excellent insulation properties with lightweight foam board, making installation easy, and it can be cut to your desired size. Ideal for materials such as residential equipment and unit houses. Being made of foam, it is very lightweight and has insulating properties. We also accept custom cuts to change thickness and dimensions within our standard sizes. Please feel free to contact us for orders ranging from small lots to large quantities.

This is a high-density expanded polystyrene board made using our unique continuous molding machine. Being made of expanded polystyrene, it is very lightweight and has insulating properties, while its low magnification and special manufacturing method provide excellent bending strength, making it more durable than regular expanded polystyrene boards. Thanks to our unique molding method, it can be shaped to any desired length, allowing for production tailored to your specifications.

This is a high-density expanded polystyrene board made using our unique continuous molding machine. Being made of expanded polystyrene, it is very lightweight and has insulating properties, while showing no changes in strength due to humidity or water exposure. Thanks to its low magnification and special manufacturing method, it is also strong in bending strength, making it more durable than standard expanded polystyrene boards. Due to our unique molding method, it can be shaped to any desired length, allowing for production tailored to your specifications.