Film Material Raw Materials Brand Red & Black List: Application Scenarios + Comprehensive Analysis of Pros and Cons—Choose Wisely to Avoid Mistakes

Preface 

For film companies, the selection of raw materials directly determines product performance and cost. —— Choose the right brand to achieve “ Performance meets the standard +  Costs are controllable ” , choosing incorrectly means facing “ Quality fluctuations +  Lack of after-sales service ” Especially in the high-end film sector, differences in brand technology roadmaps significantly impact end-product performance. This article explores “ Base resin ““ Functional Additives ““ Specialty Engineering Materials ”  Delve into, and break down the scope of application, strengths and weaknesses, as well as selection tips for globally leading brands—helping you steer clear of potential pitfalls. 

I. Base Resin: Thin Film “ Skeleton ”  The brand showdown 

Basic resin accounts for the raw material cost. 70% Above, the market shows “ International players lead in the high-end, while domestic firms focus on breaking through in the mid-to-low end. ”  The overall picture. 

(1) Polyethylene PE ) Resin: The Cost-Performance Battle for Universal Membranes 

1. International Tier 1 (High-End Scenarios)

• Dow Chemical ( Dow ） 
  • Applicable: High-end Stretch Wrap Film LLDPE ）、Food-grade cling film（ LDPE ）、Medical packaging film（ HDPE ); 
  • Advantages: PDI ≤ 2.0 (Strong puncture resistance 30% ), food-grade over FDA Certification (Heavy Metals) ≤0.1 ppm ); 
  • Weakness: High price, domestic production 20%-30% , Delivery 45  Heaven; 
  • Customer: Unilever, 3M。

• ExxonMobil ExxonMobil ） 
  • Applicable to: Agriculture-Grade Aging-Resistant Mulch Film LLDPE ), heavy-duty wrapping film ( HDPE ); 
  • Advantage: Mulch film lifespan extended to 18 Months, squeezing out melt fluctuations ≤5%；
  • Weakness: Processing temperature must be precise 180–200°C ；
  • Customers: Jinzhengda, Amcor. 

2. China's Leading Tier (Mid-Range Scenarios) 

• Zhenhai Refining & Chemical 
  • Applicable to: Standard packaging film LDPE )、Courier Bag Film HDPE+LLDPE ); 
  • Advantage: Price is Dow's 70% (Ton drop 3000–5000 Yuan), Delivery 7  Heaven; 
  • Weakness: PDI ≈ 2.8 (High haze 2%-3% ); 
  • Customer: SF Express, small to medium-sized packaging factories. 
• Dushanzi Petrochemical 
  • Applicable to: Agricultural greenhouse films LLDPE ）、Pipe Packaging Film（ HDPE ); 
  • Advantages: -40℃ No cracking, melting index fluctuates ≤0.2 g/10 min ；
  • Weakness: High-end relies on imported licensing; 
  • Customer: Xinjiang Tianye, Liansu Group. 

(2) Polyethylene terephthalate PET ) Resin: The High-End Film Technology Showdown 

1. International benchmark brand 

• Japan Toray TORAY ） 
  • Applicable: Optical Grade BOPET ( 4K/8K Screen substrate, electronic insulation film; 
  • Advantage: Ash ≤5ppm (Transmittance ≥93% ), thickness deviation ±0.2μm ；
  • Shortcoming: Price per ton exceeds 2 Ten, service response is slow; 
  • Customer: Samsung, Murata. 
• Mitsubishi Chemical Mitsubishi Chemical ） 
  • Applicable: Battery separator base film BOPET )、High-temperature-resistant insulation film; 
  • Advantage: Puncture-resistant 1800gf , Electrolyte immersion 1000  Hourly intensity retention ≥90%；
  • Shortcoming: Limited production capacity; reservations required during peak season. 3 Months; 
  • Customers: CATL, Panasonic. 

2. Homegrown Breakthrough Brand 

• Shuangxing New Materials 
  • Applicable to: Mid-to-high-end optical films (backlight modules), as well as standard ones BOPET Membrane; 
  • Advantage: Low price, Dongli 15% , Light transmittance 92%；
  • Weakness: ≤6μm Membrane flatness deviation ±0.5 μm ；
  • Customers: BOE, Deli. 
• Yizheng Chemical Fiber 
  • Applicable to: Industry BOPET (Capacitor packaging, label film); 
  • Advantages: Annual production 120 10,000 tons (stable supply), customizable crystallization rate; 
  • Shortcoming: High-end optical-grade materials must be imported; 
  • Customers: FARRA Electronics, Avery Dennison. 

II. Functional Additives: Thin Films “ Performance Enhancer ”  The key to selection 

Additive Addition Amount ≤5% However, special features determine significant brand differentiation. 

(1) Opening Agent / Anti-adhesion agent (primarily nano-silica) 

1. Imported brand: American Grace Grace ） 

• Applicable to: high-end optical films, food-grade packaging films; 
• Advantages: 10-20nm (Haze Increase ≤0.5% ), dispersed without agglomeration; 
• Weakness: Price per ton 10 Ten thousand; 
• Customer: 3M Nestlé. 

2. Domestically Produced Alternative Brands 

• Weifang Hengshuo Nanomaterials 
  • Applicable to: Food packaging film, agriculture PO Membrane; 
  • Advantage: Benchmarking against Grace, with lower per-ton addition costs 32 Yuan, providing selection guidance; 
  • Weakness: High-end optical-grade stability still needs improvement; 
  • Customer: Food packaging plants, agricultural film companies. 
• HuiFu Nanomaterials 
  • Applicable to: Mid-to-high-end packaging films and electronic protective films; 
  • Advantage: Price is for import 20%-30% , annual production capacity will reach 4  Ten thousand tons; 
  • Shortcoming: Limited models; 
  • Customer: Small to medium-sized electronic film manufacturers. 

(II) Antioxidants (sterically hindered phenols) + Phosphite-based formulation 

1. International Brand: BASF BASF ） 

• Product: Irganox 1010 、 Irgafos 168 ；
• Applicable to: Aging-resistant agricultural films, high temperatures PP/PET Membrane; 
• Advantage: Membrane lifespan extended to 5 Year, no precipitation; 
• Weakness: Excessive tonne-addition cost 1000 Yuan; 
• Customers: Bayer, DuPont. 

2. Domestic Brand: Beijing Yiji 

• Product: 1010 + 168 Complex formulation; 
• Applicable to: General-purpose packaging films, industrial-grade films; 
• Advantage: Price is at BASF 60% , compatible with domestically produced resins; 
• Weakness: 280℃ The above are easily biodegradable; 
• Customer: Small to medium-sized film manufacturers. 

III. Specialized Engineering Materials: High-End Membranes “ Technology bottleneck ”  Field 

Adaptation 5G , New energy and other high-end applications feature high technological barriers. 

(1) Polyimide PI ）Thin-film materials 

1. International Leading Brand 

• DuPont DuPont ） 
  • Applicable to: 4G/Sub-6 FPC Substrate, high-temperature insulation film; 
  • Advantage: Tensile Strength ≥250MPa , Temperature-resistant 260℃ ；
  • Weakness: High water absorption rate, failing to meet millimeter-wave requirements; 
  • Customer: Apple, General Electric. 
• Zhong Hua Kaneka ） 
  • Product: Pixeo™ IB (Modified PI/MPI ); 
  • Applicable to: 5G Millimeter wave FPC • High-end antenna substrate; 
  • Advantage: Dielectric Loss 0.0025 , its processability is superior to LCP ；
  • Weaknesses: High price, strict licensing; 
  • Customer: Japan Flagwin, Huawei. 

2. Homegrown Breakthrough Brand 

• Ruihuatai 
  • Applicable to: Mid-to-low end FPC Substrate, insulating film; 
  • Advantage: First domestically produced electronic-grade product PI , Low price DuPont 30%；
  • Weaknesses: Small production capacity, and technological gaps remain. 
  • Customer: Small to medium-sized electronics companies. 
• Shanghai Juanrouxin Technology 
  • Applicable to: Flexible Screens CPI Membrane, AR/VR Device membrane; 
  • Advantage: Light Transmittance ≥90% (Bending 10  Ten thousand cycles without cracking), fast delivery 30% ( 50 Minimum order: ㎡; 
  • Weakness: 300℃ The above performance has declined; 
  • Customer: Flexible screen OEM, AR Enterprise. 

(2) Liquid Crystal Polymers LCP ）Thin-film materials 

1. International Brand: Murata Manufacturing Co., Ltd. Murata ） 

• Applicable to: 5G High-end mobile phone antennas, millimeter-wave devices; 
• Advantages: Excellent high-frequency stability and strong gas barrier properties; 
• Weakness: Low peel strength, low yield rate ≤60%；
• Customer: Apple, Samsung. 

2. Domestic追赶 Brand: Watte Shares 

• Applicable to: Mid-to-low end 5G Equipment, testing supplies LCP Membrane; 
• Advantage: Few domestic manufacturers produce it in large quantities, resulting in lower prices compared to Murata. 40%；
• Shortcoming: Dielectric Loss Fluctuation ≤0.005 ；
• Customer: Communications testing company. 

(III) Polyphenylene Sulfide PPS ）Thin-film materials 

1. International brand: Japan's Toray TORAY ） 

• Applicable to: 5G High frequency FPC High-temperature insulation film; 
• Advantages: 250℃ No deformation, low dielectric loss; 
• Shortcoming: Tight production capacity; 
• Customers: Sony, Panasonic. 

2. Domestic brand: Zhejiang Xinhuacheng 

• Applicable to: Mid-to-low end FPC Industrial insulation film; 
• Advantage: Price is Dongli 60% , compatible with domestically produced equipment; 
• Weakness: 15GHz The above dielectric loss increases; 
• Customer: Industrial electronics company. 

IV. Selection of Raw Materials 4 Great实战 Techniques 

(1) Determine the Level Based on the Scenario 

• High-end (optical films, 5G Membrane: Choose Toray, Zhonghua, or BASF; 
• Mid-range products (packaging films, agricultural films): Choose Zhenhai Refining & Chemical, Weifang Hengshuo, or Beijing Yiji; 
• Testing / Small Batch: Choose Shanghai Juanrou and Huifu Nanomaterials. 

(2) Consider Cost-Effectiveness 

• Domestically produced, cost-reducing 20%-30% (When performance can be compromised); 
• Additives include Weifang Hengshuo (opening agent) and Beijing Yiji (antioxidant), helping to reduce costs. 50%。

(III) Check the Service 

• Prioritize localizing teams (such as Weifang Hengshuo and Shanghai Juanrou); 
• A brand that provides technical debugging services, selecting high-end materials. 

(4) Manage Risks 

• Avoid relying solely on imports; instead, combine them with domestically produced alternatives (such as Toray). + Shuangxing New Materials); 
• Choose brands with high production capacity (such as Huifu Nanomaterials and Zhenhai Refining & Chemical). 

Conclusion 

Film material selection is “ Performance, Cost, Scenario ”  Balance is key. While international giants dominate the high-end market, domestic brands have already achieved substitution in the mid-to-low end, with breakthroughs in certain segments at the高端 level. As 5G , New energy development, MPI With LCP Coexistence, PPS Alternative LCP These trends will reshape the market. We hope this article helps you make an informed selection. If you’re facing any brand-related challenges, feel free to discuss them in the comments section!