Starlite

What Starlite does

Starlite Co., Ltd. (スターライト工業株式会社) is a privately held Japanese industrial manufacturer founded in 1936 and headquartered in Osaka, Japan, specializing in custom-engineered synthetic resin products across three integrated business segments: Tribology, Mobility Solutions, and Safety Life Support. The company's core competency is tribology (摩擦・摩耗・潤滑 / friction, wear, and lubrication), developed over more than 80 years into proprietary material platforms including ALP high-performance seal rings, BAKES phenolic heat-resistant materials, and S-BEAR super-engineering plastic gears and reducers. These materials serve extreme-environment applications from cryogenic liquid hydrogen (-253°C) and ultra-high-pressure hydrogen compression (85 MPa) to high-temperature steel mill rolling, enabled by in-house cryogenic testing equipment and CAE-driven Model-Based Development capabilities. Operations span 18-19 sites across 6 countries (Japan, Thailand, China, Singapore, Mexico, USA) with approximately 1,285-1,400 consolidated employees and ¥23.9 billion in FY2026 revenue.

Starlite operates a B2B direct sales model targeting enterprise OEMs and government institutions, with technical sales engineers collaborating on co-development of custom polymer compounds. The Mobility Solutions segment supplies automotive exterior units (cowl grilles, Active Grille Shutter systems manufactured on Japan's largest 1,850-ton two-shot injection molding machine) to major OEMs including Mazda, and operates a strategic joint venture with Röchling Automotive for global AGS distribution. The Safety Life Support segment delivers consumer and institutional safety products including biomass-plastic helmets (pervio BP), heatstroke monitoring wearables (eMET/Me-mamo), portable disaster relief toilets (Quick House, developed post-Great Hanshin Earthquake), vehicle flood protection covers (Shelcar+), lithium-ion battery insulating sheets (BST-23), and polyurea protective coatings (BARIAS). Revenue is generated primarily through one-time component sales bundled with engineering services, with pricing conducted via quotation rather than public tiers.

The company's go-to-market combines direct enterprise sales with content marketing through its STARLITE CREATORS editorial platform, industry exhibitions, government partnerships for disaster preparedness, and joint research collaborations with academic institutions including Kyushu University Hydrogenius. Quality certifications span ISO 9001, IATF 16949, ISO 14001, ISO 45001, and ISO 50001 across its manufacturing sites. Ownership remains management/founder-controlled with no disclosed external investors, funding rounds, or public listing.

Name

Starlite

Legal name

スターライト工業株式会社

Website

https://starlite.co.jp

Company type

Private

Founded year

1936

Operating status

Operating

Headcount range

251–500 employees

Short description

Starlite is a Japanese polymer manufacturer (founded 1936) that develops custom tribology materials (ALP seals, BAKES bearings, S-BEAR gears) and safety products serving automotive OEMs, industrial machinery makers, hydrogen energy infrastructure, and government/municipal safety programs across 6 countries.

Ownership category

akta.pro rank

Product category

Engineered Polymer Components

NAICS

Gasket, Packing, and Sealing Device Manufacturing (339991), Resin and Synthetic Rubber Manufacturing (32521), Aerospace Product and Parts Manufacturing (3364), Aerospace Product and Parts Manufacturing (33641)

SIC

Fabricated Rubber Products, Nec (3060), Plastics Products, Nec (3089), Miscellaneous Plastics Products (3080), Plastic Materials, Synth Resins & Nonvulcan Elastomers (2821), Paints, Varnishes, Lacquers, Enamels & Allied Prods (2851)

akta.pro primary industry

Aerospace Seals, Gaskets, O-Rings & Elastomeric Components (IMABANAF)

akta.pro secondary industries

Synthetic Rubber & Elastomer Feedstocks (SBR, BR, NBR, EPDM) (IMAEADAJ), Lids & Covers (Overcaps, Dome Lids, Jar Lids) (IMALALAL)

Keywords

• Engineered polymer components
• Tribology materials
• Automotive exterior parts
• Custom resin manufacturing
• Safety life support equipment

Headquarters

HQ city

Osaka

HQ country

Japan

HQ region

Asia

Offices17 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Operations, Technology or R&D, Personnel, Supply Chain, Infrastructure, Marketing or Sales

Revenue model

1. Tribology Products (シールリング・軸受・摩擦材・歯車): Sale of tribology components including ALP seal rings, BAKES bearings, S-BEAR gears and reducers, and friction materials. Applications span industrial machinery, robots, EVs, hydrogen equipment, marine vessels, construction equipment, and food processing.
2. Mobility Solutions Products (エクステリアユニット・AGS): Sale of automotive exterior units including cowl grilles, active grille shutters (AGS), and related components to major automotive OEMs. Includes CAE-driven development and engineering services bundled with product supply.
3. Safety Life Support Products (ヘルメット・災害用トイレ・ coating): Sale of safety helmets, disaster preparedness toilets, heatstroke prevention devices, and BARIAS coating services. Both product sales and related engineering services.
4. Joint Development / Engineering Services: Co-development with customers and academic institutions. Technical consulting, CAE analysis, custom material development, and evaluation/testing services provided alongside product supply.

Pricing tiers

Go-to-market motion2 records

Distribution channels5 records

Marketing channels5 records

Core offering

Starlite designs, manufactures, and sells custom polymer and resin-based components organized into three business segments: Tribology (ALP seal rings, BAKES heat-resistant bearings, S-BEAR resin gears/reducers, and friction materials), Mobility Solutions (automotive exterior units such as cowl grilles and Active Grille Shutter/AGS units produced on Japan's largest 1,850-ton two-shot injection molding machine), and Safety Life Support (pervio BP biomass plastic helmets, Me-mamo/eMET heatstroke monitoring devices, Quick House disaster toilets, Shelcar+ flood covers, BST-23 insulating sheets, and BARIAS polyurea coatings). The company also provides co-development engineering services, CAE-based Model-Based Development, and tribology consulting bundled with product supply.

Product overview

Starlite is a technology development-focused manufacturing company with three core business segments — Tribology, Mobility Solutions, and Safety Life Support — that collectively form its 'One Team' engine. The Tribology segment offers engineered polymer-based tribology products including the ALP seal ring series (seal rings for compressors, hydrogen stations, and cryogenic applications), BAKES phenolic heat-resistant materials (with ~80 years of use in steel mills and ship rudder bearings, including next-gen polyimide and textile BAKES-TT variants), S-Bear resin gear reducers (for robotics, automotive, and office equipment), and specialty friction materials. The Mobility Solutions segment provides automotive exterior units including the Active Grille Shutter (AGS) manufactured on Japan's largest 1,850-ton two-color injection molding machine, cowl grilles, and MBD development services leveraging CAE simulation. The Safety Life Support segment delivers consumer-facing safety products including pervio BP biomass plastic helmets, Me-mamo/eMET heatstroke monitoring wearables, Quick House portable disaster relief toilets, Shelcar+ vehicle flood covers, and BARIAS polyurea coating solutions. The company also operates dedicated web portals for tribology products, resin gear reducers, and safety life support offerings.

Differentiator

Problem solved

Functional benefit

Brands

• S-Bear: 射出成形用エンジニアリングプラスチックベースの高機能材料を使用したグリスレス歯車・減速機製品
• BARIAS
• AGS
• pervio
• Me-mamo
• Quick House
• eMET
• ALP

Products and services

• ALP Seal Ring High-performance seal ring series for compressors, hydrogen stations, and cryogenic applications. ALP materials provide excellent dynamic sealing performance under high-pressure hydrogen, cryogenic liquid hydrogen (-253°C), and special gas atmospheres, enabling long life and durability in demanding energy infrastructure.
• ALP K03-406 Low Thermal Expansion Resin Low thermal expansion resin material with thermal expansion coefficient comparable to stainless steel. Developed for resin labyrinth seals in turbo compressors, enabling resin adoption where metal was previously required.
• BAKES Heat-Resistant Material Phenolic resin-based thermosetting material with approximately 80 years of track record in steel mill rolling and large ship rudder bearings. Offers superior friction properties, heat resistance, durability, and eco-friendly options including biomass-based grades. Includes next-generation BAKES variants using polyimide resin for ultra-high heat resistance.
• BAKES-TT Heat-Resistant Textile Heat-resistant woven textile mat for aluminum extrusion production lines. Withstands 500°C aluminum products without scratching, lasts up to 8x longer than conventional felt. Uses multi-layered weaving technology for tangle resistance and durability.
• S-BEAR Resin Gear Reducer High-durability resin gear reducer and bearing series based on super engineering plastics. S-BEAR enables grease-free, compact, low-noise motion in automotive, robotics, office equipment, and actuator applications. CAE-driven short-term high-precision development with customizable torque and motion analysis.
• S-BEAR DD Differential Drive Reducer Ultra-thin DD (Differential Drive) reducer using a proprietary 2-stage planetary gear mechanism achieving single-stage reduction ratio of 1/100. Enabled ultra-thin design for electric locks and other space-constrained applications.
• Friction Materials Tribology-based friction material products for elevator holding brakes, robot arm retention, and industrial machinery. Includes biomass-sourced grades that reduce CO2 emissions and waste through extended product life. Available for elevator safety, robotics, and wind power yaw brake applications.
• Quick House Disaster Relief Toilet Thin, portable, easy-to-assemble (5-minute setup) emergency disaster relief toilet. Sturdy, theft-resistant design incorporating lessons from the Great Hanshin Earthquake. Equipped with auto-flapper for hygiene in water-scarce disaster conditions. Includes barrier-free slide-door type QH-2000S model.
• Portable Quick Toilet Portable emergency toilet with antibacterial and deodorizing properties. Solidifying agent hardens waste in 5 seconds, preventing odor and leakage. Uses biomass materials and includes hands-on training sessions for usage.
• pervio BP Biomass Plastic Helmet Japan's first helmet to receive the Biomass Plastic Mark certification. Provides safety performance equivalent to conventional helmets while reducing fossil resource usage. Industry-first achievement in helmet safety and environmental sustainability.
• Me-mamo Heatstroke Monitoring Device Wearable device and helmet-mounted heatstroke risk measurement system targeting outdoor and industrial workers. Monitors heat stress in real-time to help achieve 'zero' heatstroke incidents at work sites. Includes updated eMET+ version.
• Shelcar+ Vehicle Flood Damage Prevention Cover Vehicle-mounted flood damage prevention cover that can be deployed in just 5 minutes. Covers the entire vehicle body, made from durable tear-resistant material for repeated use against recurring flood risks.
• BST-23 Insulating Protective Sheet Insulating protective sheet designed to prevent fire spread from lithium-ion battery fires. Addresses growing safety concerns in EVs and energy storage systems.
• BARIAS Polyurea Coating Polyurea resin-based coating solution providing impact resistance, corrosion resistance, and durability for industrial equipment, ship fenders, public furniture, playground equipment, and gaming machine seats. Applied by spray coating for seamless coverage on complex shapes.
• Active Grille Shutter (AGS) Automotive unit that controls airflow into the engine compartment by opening/closing shutters, optimizing fuel/energy efficiency and thermal management. Manufactured using Japan's largest 1,850-ton two-color injection molding machine for integrated forming without joints, reducing air leakage and improving quality consistency.
• Cowl Grille Automotive exterior unit bridging the hood and windshield. Functions include weather protection, air intake for HVAC, front glass rainwater sealing, and heat/odor exhaust. Also designed with pedestrian protection impact absorption using notch-based collapse mechanisms.
• Model-Based Development (MBD) Engineering Services Model-based development approach using CAE simulation from early product development stages. Virtual verification enables early issue identification, reduced development time, and confirmed performance. Integrates material selection, CAE analysis, structural design, and manufacturing for automotive and mobility products.
• New Gear Material X2406 New gear material that significantly improves durability of resin gears. Targets robotics, automotive, and office equipment applications requiring high wear resistance and long life.
• Non-edible Biomass-derived Brake Friction Material Non-edible biomass-derived resin brake friction material for automotive and industrial brake applications with improved sustainability.

Quantifiable outcome

• Zero defective product outflow for 3 years in automotive manufacturing (AGS production at Yamaguchi factory)
• +3 more outcomes

Named customers8 records

Segments4 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature10 records

Partnerships

13 partnerships are on record, tiered minor and core.

• Hiroshima Prefecture Aki-Takata City (広島県安芸高田市)minorOthers · 1 October 2025Disaster response cooperation agreement and naming rights partner for Yoshida Sports Park. Community engagement and disaster preparedness support.
• Kunshan Zhou Shi Central Primary School (江蘇省昆山市周市中心小学校)minorOthers · 1 October 2025Donated cafeteria tables and chairs to Chinese primary school through星光树脂 Kunshan.
• Osaka City Asahi-ku (大阪市旭区)minorOthers · 1 September 2025Disaster response cooperation agreement with local government.
• Fukui University (福井大学)minorStrategic or Co-development Partner · 1 May 2025Joint research collaboration. Research content was published in a specialized technical book (2025).
• Mishi City, Yamaguchi Prefecture (山口県美祢市)minorOthers · 1 May 2025Donated portable disaster toilets to water damage-affected areas.
• Shiga Prefecture (滋賀県)minorOthers · 1 April 2025Disaster preparedness agreement for disaster toilet support during emergencies. Prefecture-wide emergency cooperation.
• TJM Design (株式会社TJMデザイン)minorStrategic or Co-development Partner · 1 January 2025Technical cooperation for 'Sefmet' helmet accessory system. TJM Design develops and markets the Secuf System; Starlite provides helmet development expertise for integrating the quick-attachment system with safety performance. Jointly developed 'セフメット' helmet.
• Seresian International Gakuen Setagaya Junior High/High School (サレジアン国際学園世田谷中学高等学校)minorOthers · 1 January 2023Donated disaster toilets for disaster preparedness learning. Students participate as exhibitors at disaster prevention events.
• Röchling Automotive (ロシュリング・オートモーティブ)coreStrategic or Co-development Partner · 1 January 2018Strategic partnership for Active Grille Shutter (AGS) production. Röchling provides global automotive expertise and distribution while Starlite handles manufacturing in Japan at the Yamaguchi factory. Jointly supply AGS to automotive OEMs worldwide.
• Kyushu University Hydrogenius (九州大学 水素材料先端科学研究センター)coreStrategic or Co-development Partner · 1 January 200915+ year joint research collaboration on hydrogen tribology and ALP sealing materials for ultra-high pressure hydrogen compressors (up to 100 MPa). Research conducted at Hydrogenius facility with Starlite providing material development and evaluation capabilities. Results published at international conferences.
• Kinki University (近畿大学)minorStrategic or Co-development PartnerJoint research on static gas bearings (non-contact bearings). Research presented at Japan Mechanical Society Kansai Branch and Japan Tribology Conference.
• Kogakuin University (工学院大学)minorStrategic or Co-development PartnerJoint research on biomass plastic tribology materials presented at Tribology Conference 2023 Spring and JSPP Annual Conference.
• Nagoya City Industrial Research Institute (名古屋市工業研究所)minorStrategic or Co-development PartnerJoint research on material simulation presented at Hexagon Material Simulation Conference 2023.

Scale indicators8 records

Recent moves6 records

Expansion highlights6 records

Broad incumbents

• Trelleborg AB: Swedish global leader in polymer engineering with significant presence in seals, bearings, and anti-vibration solutions. Compares to Starlite's tribology franchise but at much larger scale and broader industry coverage, including aerospace and offshore energy.
• John Crane: Global leader in mechanical seals and engineered bearings. Starlite's JV partner (Nihon John Crane) for machinery seals, with comparable offerings in compressor and rotating equipment sealing. Provides benchmark for global seal franchise economics.
• EnPro Industries: US-based manufacturer of sealing products and engineered materials serving semiconductor, aerospace, food/pharma, and industrial markets. Comparable to Starlite's tribology and specialty sealing offerings with similar focus on critical sealing applications in demanding environments.

Direct peers

• Greene Tweed: US-based manufacturer of engineered seals, polymer components, and composite materials for demanding industrial applications. Comparable to Starlite's Tribology segment serving aerospace, semiconductor, oil & gas, and industrial machinery customers with proprietary high-performance materials.
• NOK Corporation: Japan's largest sealing products manufacturer and a direct competitor in elastomer seal rings, gaskets, and oil seals across automotive and industrial markets. NOK supplies virtually all major Japanese OEMs and has substantially larger scale, making it the most directly comparable public peer for Starlite's Tribology segment.
• Daetwyler (Datwyler): Swiss manufacturer of elastomer sealing solutions for automotive, pharmaceutical, and industrial applications. Comparable to Starlite's tribology business with similar custom-engineered approach and comparable customer types in automotive and industrial machinery.
• Röchling Group: German plastics processor that is Starlite's joint venture partner (Röchling Automotive Japan) for AGS production. Operates in similar automotive plastics and industrial polymer components segments with global footprint, providing a useful comparable for Starlite's automotive and industrial product lines.
• Nichias Corporation: Japanese specialty materials manufacturer producing sealing products, gaskets, and industrial insulation. Comparable to Starlite in its focus on engineered materials for harsh-environment sealing and insulation across industrial and energy infrastructure applications.
• Sumitomo Riko Company: Major Japanese manufacturer of rubber and polymer products including automotive anti-vibration, hoses, and sealing products. Directly comparable to Starlite's tribology and automotive exterior units, with similar customer base among Japanese OEMs and a comparable diversified product portfolio.

Regional players

• Toyoda Gosei Co., Ltd. Japanese automotive rubber and plastics manufacturer producing exterior and functional parts for Toyota Group and other OEMs. Comparable to Starlite's Mobility Solutions segment in automotive plastic exterior units (cowl grilles, grilles, functional components) with similar Japanese OEM customer base.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks5 records

Key highlights7 records

Customer concentration

Compliance5 records

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries8 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Starlite