Top 10 Acrylic Sheet Manufacturers in Japan

Looking for acrylic sheet manufacturers in Japan? This guide compares 10 established manufacturers and suppliers based on their acrylic sheet products, processing capabilities, technical strengths, and market positioning.

KINGSCOPE is a China-based acrylic sheet manufacturer serving global B2B buyers. Through the MASON® acrylic sheet system, we supply clear, colored, frosted, decorative, functional, extruded, and thick acrylic sheets, together with cut-to-size panels and custom fabrication support.

1.CLAREX

CLAREX is a precision cast acrylic sheet designed specifically for optical applications. With diamond-like transparency and uniformity, it has earned the trust of industries demanding high precision, including electronics, optics, machinery, automotive, medical, and aerospace. The product delivers high accuracy, deformation-free performance, and no birefringence to meet a wide range of high-end optical requirements.

Since its establishment in 1947, the company has leveraged the unique advantages of the casting process, utilizing polymers with exceptional optical properties to produce acrylic sheets. The distinctive casting method enables highly customized products, particularly suited for small-volume, high-mix production, flexibly responding to diverse customer needs.

The company remains committed to advancing acrylic in optical clarity, processability, color performance, and light resistance. Guided by the corporate motto of“Innovation, Effort, Sincerity, Harmony,” it continues to challenge itself to develop higher-quality CLAREX products while striving to meet customer expectations.

2.Mitsubishi Chemical

SHINKOLITE™ is the registered trade name of Mitsubishi Chemical’s continuous cast acrylic sheet. This material offers excellent weather resistance, stainability, and processability, making it widely used in signage, displays, large water tanks, LCDs, and light guide plates.

Moving forward, the company will continue to leverage these properties to develop new products such as flame-retardant and impact-resistant grades of SHINKOLITE, striving to provide environmentally friendly materials that contribute to a safer society and more comfortable, prosperous lives.

3.Shinshi Co., Ltd.

ShinShi specializes in processing tasks others find challenging, offering integrated support from material selection to molding and processing. Through close collaboration between sales and technical teams, the company helps clients realize their visions from consultation to delivery.

ShinShi’s large-scale molding technology is recognized in aquariums worldwide, excelling in complex structures such as walk-through tunnels, cylindrical tanks, and donut-shaped tanks. The company achieves the highest quality large acrylic panels through advanced polymerization bonding and high-transparency polishing—a technology mastered by only three companies globally, including ShinShi.

With molding capabilities that preserve transparency, ShinShi is one of the few companies handling resin products of all sizes. Press molding using wooden molds reduces initial costs while flexibly accommodating high-mix, low-volume production.

4.Kanase Inc.

Kanase Inc. adopts the cell-cast method to produce high-quality acrylic resin sheets, marketed under the brand name “Kanase Lite.” Known as “dream plastics,” this material offers outstanding transparency, gloss, and weather resistance compared to other plastics. Manufactured by casting materials in glass molds, the sheets are widely used in displays, signboards, indicator boards, lighting, furniture, aquariums, and other commodities.

With growing global demand for acrylic sheets, the company is steadily increasing its market share and is committed to becoming a major manufacturer by responding to diverse customer needs.

In light of market trends toward low-cost imports, along with increasing requirements for large items, small-lot orders, and short lead times, Kanase Inc. is dedicated to expanding its sales network, leveraging high-quality materials and meticulous support that set it apart from competitors.

5.NC Acrylic

NC Acrylic is a transparent cast acrylic sheet designed with a focus on workability and precision. Among cast methods, it offers superior thickness accuracy, higher molecular weight resulting in minimal warping and shrinkage, and dual-sided paper masking for enhanced protection—making it an exceptional choice for high-quality acrylic materials.

The company utilizes a cast sheet manufacturing method, where raw materials are poured between two glass plates and cured. Compared to extruded sheets, cast sheets have a higher molecular weight, providing increased hardness and excellent machinability. A proprietary annealing process minimizes warping, making it ideal for precision drilling applications such as jig plates.

NC Acrylic has expanded Japanese casting technology to South Korea, maintaining over 30 years of trusted partnership with suppliers and achieving import volumes of up to 20 tons per month. It offers a cost-effective alternative to domestically produced cast sheets while maintaining high quality. The company provides custom processing services including cutting, edge finishing, transparent polishing, beveling, drilling, bonding, and bending to meet diverse customer needs.

6.Tohkoh Jushi 

Founded in 1964, the company is a trading firm specializing in the sale of various raw materials, sheets, films, and processed products, with a focus on plastics. In addition to product supply, it offers development insights based on partners’ management and sales strategies, providing planning proposals from material selection to product sales, supported by thorough follow-up.

Strengthening connections between people, the company works closely with manufacturers and partners to respond to diverse needs with a sense of urgency, handling a wide range of products including optical materials, plastic sheets, processed goods, LEDs, and building materials.

7.Nippura

Nippura manufactures large-scale, dome-shaped, and tunnel-type aquariums through multi-layer acrylic casting, utilizing proven on-site chemical bonding technology to overcome transport and installation constraints. The company adheres to the three core principles of “transparency,” “safety,” and “durability.”

Using proprietary methods for forming, bonding, and joining acrylic panels, Nippura serves the aquarium industry while expanding into projection screens, acoustic panels, seawalls, and artistic sculptures.

With decades of technical expertise, Nippura has established a distinctive advantage in professional aquarium equipment and high-end acrylic applications.

8.Asahi Plastics Co., Ltd.

Asahi Plastics Co., Ltd. specializes in cutting, thermoforming, and bonding processing of acrylic sheets and other plastic materials. Since its founding, the company has built over half a century of technical expertise, earning high recognition in the industry for its advanced bonding technology.

As a precision manufacturer with a strong commitment to originality, Asahi Plastics continues to contribute to society.

9.Odagiri Co., Ltd. 

Odagiri Co., Ltd. primarily handles acrylic, PVC, PET, polycarbonate, modified PVC, ABS, aluminum composite panels, engineering plastics, and super engineering plastics in the form of sheets, round bars, and pipes, along with a wide range of films, related processed products, and auxiliary materials.

The company offers free cutting sales from a single sheet and also sells fixed-size blocks of acrylic, engineering plastics, and super engineering plastics without the need to purchase original sheets, enabling efficient cutting in economical sizes.

The company undertakes cutting, bending, drilling, and bonding of sheets, round bars, and pipes, as well as molding, machining, and letter cutting.

10.DAIKAN

DAIKAN Hard Acrylic achieves a glass-like hardness of approximately 7H while weighing only half as much as glass, making it ideal for sign plates and frameless display cases. The company’s experienced staff employs bubble-free adhesive bonding techniques, earning a strong reputation in the industry.

This product overcomes the weaknesses of standard acrylic with excellent scratch resistance, particularly suitable for sign plates or cases requiring frequent cleaning. Its hardness advantage is clearly evident when compared to traditional acrylic in scratch tests.

Aiming to become the world’s leading high-quality sign manufacturer, the company pursues the fusion of “craftsmanship” and “hi-tech,” transforming from a sign and display manufacturer into a comprehensive sign solution provider that creates “value + α.” Guided by the slogan “Value Creation for Your Smile,” each employee is dedicated to quality and attentive service, striving to meet individual customer needs as a problem-solving, comprehensive sign manufacturer.

This list highlights ten renowned acrylic sheet suppliers in Japan, reflecting the country’s technological strengths in high-end materials and precision processing. Companies such as CLAREX and Mitsubishi Chemical offer optical-grade cast acrylic sheets serving electronics, optics, medical, and aerospace industries. Shinshi and Nippura hold globally expertise in complex molded structures such as large-scale aquariums and tunnel-type acrylic installations. Kanase and NC Acrylic provide high-quality general-purpose sheets and precision processing with flexible, small-batch, multi-variety capabilities. Overall, the Japanese market brings together technology-driven material manufacturers, engineering specialists with proprietary forming technologies, and processors niche segments, offering buyers a full range of high-quality solutions—from optical-grade sheets to large-scale structural components.