Coloured Greaseproof Paper: Comprehensive Technical Overview1. Definition and CompositionColoured greaseproof paper is a specialized packaging material composed of wood pulp (typically 60-80% alpha-cellulose content) that has undergone extended refining (30-60 minutes at 40-60°C) to create a dense fiber network with reduced porosity. The coloration is achieved through FDA-compliant food-grade dyes (0.5-3% by weight) that maintain stability at temperatures up to 220°C. The base paper typically has a basis weight of 30-120 g/m², with thickness ranging from 40-150 microns.Unlike standard greaseproof papers, the colored variants incorporate lightfast pigments that maintain chromatic stability (ΔE ≤ 3.0 after 500 hours of UV exposure per ISO 105-B02) while preserving the material's functional properties.2. Technical Properties and Performance DataPropertyTypical Value RangeTest MethodGrease ResistanceKit No. ≥ 10 (TAPPI T559)ASTM D722Burst Strength200-500 kPaISO 2758Tensile Strength (MD)40-80 N/15mmISO 1924-2Heat Sealability120-180°C rangeASTM F2029Oil Permeation Time>24 hours (at 23°C)ASTM F119Color Fastness4-5 (ISO 105-A02)AATCC 82.1 Barrier PropertiesThe material demonstrates exceptional barrier performance with water vapor transmission rates (WVTR) of 5-15 g/m²/24h (at 38°C, 90% RH per ASTM E96) and oxygen transmission rates (OTR) below 50 cm³/m²/24h (at 23°C, 0% RH per ASTM D3985). The surface energy ranges from 30-40 dynes/cm, contributing to its non-stick c

Introduction to Caiying Series Transfer PaperCaiying Series Transfer Paper is a high-performance heat transfer medium specifically designed for digital printing applications. This specialized paper enables the transfer of digitally printed designs onto various substrates through a heat press process. With its advanced coating technology, Caiying transfer paper achieves 94-98% ink absorption rate while maintaining dimensional stability within ±0.3% during the transfer process.The paper's unique formulation includes a 40-50 g/m² base weight with a precisely calibrated 12-18 micron coating thickness, optimized for both pigment and dye-based ink systems. This ensures minimal ink bleeding while achieving color gamut coverage exceeding 90% of Adobe RGB in final transfers.Key Technical CharacteristicsThermal Performance: Designed to withstand 180-220°C transfer temperatures for 15-30 seconds without curling or degradationMoisture Resistance: Maintains ≤2% moisture absorption in standard 50% RH environments, preventing premature activationTransfer Efficiency: Achieves ≥95% image transfer rate with proper application parametersSubstrate Compatibility: Suitable for cotton (100%), polyester (50/50 blends), and specialty fabrics with ≥85% transfer adhesion in peel testsOptical Brightness: Base paper maintains 92-96 ISO brightness for accurate color representationPrimary Application ScenariosThe versatility of Caiying Series Transfer Paper makes it suitable for numerous pro

IntroductionAluminum Coated Transfer Paper (ACTP) is a specialized substrate material engineered for high-performance thermal transfer applications. This composite material consists of a base paper layer coated with a precisely controlled aluminum layer, typically ranging from 0.5 to 5 microns in thickness, combined with a heat-activated adhesive system. The aluminum coating provides exceptional thermal conductivity (≈237 W/m·K), while the paper substrate offers flexibility and dimensional stability with a typical tensile strength of 30-50 N/cm in the machine direction.Key Characteristics and Technical SpecificationsThermal PerformanceThe aluminum coating achieves a thermal reflectivity of 85-95% across the infrared spectrum (2.5-25 μm wavelength), with an emissivity value of 0.03-0.1. This enables efficient heat transfer with minimal energy loss, making ACTP particularly effective for applications requiring precise thermal management. The material maintains structural integrity within a temperature range of -40°C to 220°C, with a maximum peak temperature tolerance of 250°C for short durations.Mechanical PropertiesACTP demonstrates excellent mechanical characteristics, including a Young's modulus of 3-5 GPa and a tear resistance of 400-600 mN (Elmendorf method). The base paper typically has a grammage of 60-120 g/m², with surface smoothness measuring 100-300 Bekk seconds. These properties ensure reliable performance during high-speed transfer processes while p

Heat Sealed Paper Bag Waterproof: Characteristics, Applications, and MaintenanceWhat is a Heat Sealed Paper Bag Waterproof?A Heat Sealed Paper Bag Waterproof is a specialized packaging solution that combines the eco-friendliness of paper with the durability of waterproof materials. These bags are manufactured using high-quality kraft paper laminated with polyethylene (PE) or polypropylene (PP) coatings, then heat-sealed to create a moisture-resistant barrier. The heat sealing process ensures airtight closure, preventing water ingress while maintaining the bag's structural integrity.Key Technical Specifications:Water Resistance: Withstands water pressure up to 5,000 Pa (ASTM D779 test standard)Material Thickness: Typically ranges from 120-300 GSM (grams per square meter)Seal Strength: 3.5-5.0 N/15mm (measured per ASTM F88 seal strength test)Temperature Resistance: -20°C to 80°C operational rangeMoisture Vapor Transmission Rate (MVTR): <5 g/m²/24h (at 38°C, 90% RH)Applications of Heat Sealed Waterproof Paper BagsThese versatile bags serve numerous industries due to their unique combination of sustainability and protection:1. Food PackagingIn the food industry, heat sealed waterproof paper bags maintain product freshness while meeting food safety standards. They are particularly valuable for:Dry Goods: Coffee beans (moisture content maintained below 5%)Baked Goods: Extends shelf life by 30-40% compared to standard packagingFrozen Foods: Withstand freezer temperatures dow

Paper Plate Food Greaseproof Paper Coating: Comprehensive Technical Overview1. Definition and CompositionPaper plate food greaseproof paper coating refers to specialized barrier coatings applied to paper substrates to create oil- and grease-resistant food service products. These coatings typically consist of fluorochemicals, silicone polymers, or bio-based alternatives like PLA (polylactic acid) and starch derivatives. The most common fluoropolymer used is perfluorooctanoic acid (PFOA)-free PFAS with a molecular weight range of 500-1000 g/mol, providing optimal surface energy reduction to 10-15 dynes/cm.The coating thickness typically ranges from 2-5 microns per side, with application weights of 1.5-3.5 g/m². Advanced formulations achieve grease resistance levels exceeding Kit Number 12 (TAPPI T559 standard) while maintaining repulpability rates above 85% in standard recycling processes.2. Key Technical Characteristics2.1 Barrier PerformanceThe coatings demonstrate exceptional resistance to:Grease penetration: >24 hours at 40°C (ASTM F119-82)Oil holdout: >180 minutes for castor oil (TAPPI T454)Water vapor transmission rate (WVTR): 5-15 g/m²/day at 38°C/90% RH2.2 Thermal PropertiesModern coatings withstand:Continuous use temperatures up to 120°CShort-term exposure to 200°C for 30 secondsGlass transition temperatures (Tg) between 45-75°C (DSC analysis)2.3 Mechanical PropertiesTensile strength: 35-50 MPa (MD direction)Elongation at break: 4-8%Bending stiffness: 3-7 mN·m

Food Safe Biodegradable Paper is an environmentally friendly packaging material designed specifically for food contact scenarios, using natural plant fibers (such as wood pulp, bamboo pulp, or agricultural waste) as the substrate, combined with bio based coatings or processes without chemical additives. Its core advantage lies in its compliance with food safety standards (such as FDA, GB 4806, etc.), as well as its biodegradability, compostability, or recyclability. It is widely used in food packaging, catering services, and retail fields, and is a green alternative to traditional plastics and non biodegradable paper.characteristicNatural plant fiber substrateRaw material source: Mainly renewable resources (such as FSC certified fast-growing forest pulp, bamboo pulp, or sugarcane bagasse) to reduce the consumption of forest resources.Data support: Renewable fibers account for over 95% of the substrate, and the carbon emissions during the production process are reduced by 60% -80% compared to traditional plastic packaging. For example, the carbon emissions from producing 1 ton of food grade biodegradable paper are approximately 0.8 tons of CO ₂ equivalent, while traditional plastic packaging is 3.2 tons.Non toxic coatings and additivesSafety standards: The coating uses water-based acrylic acid, chitosan, starch based polymers and other bio based materials, without adding fluorinated compounds (such as PFOA, PFOS), phthalates or heavy metals.Data support: Certified by FDA 21 C

Eco friendly Greaseproof Paper is a biodegradable packaging material made from natural plant fibers such as wood pulp, bamboo pulp, or sugarcane bagasse, using fluorine free chemical coatings or biobased barrier technology. Its core function is to prevent oil penetration, while possessing environmental protection, safety, sustainability and other characteristics. It is widely used in food packaging, baking, fast food and takeaway industries, and has become a green substitute for traditional plastic coated paper and aluminum foil paper.characteristicNatural plant fiber substrateRaw material source: Using renewable resources (such as FSC certified wood pulp, bamboo pulp, or agricultural waste sugarcane bagasse) as substrates to reduce dependence on petroleum based materials.Data support: Renewable fibers account for over 90% of the raw materials, and the carbon emissions during production are reduced by 40% -60% compared to traditional plastic coated paper. For example, the carbon emissions from producing 1 ton of environmentally friendly oil resistant paper are about 1.2 tons of CO ₂ equivalent, while traditional plastic coated paper is 2.5 tons.Fluorine free chemical coating technologyEnvironmentally friendly coating: using water-based acrylic acid, silicone oil or bio based polymers (such as chitosan, starch derivatives) instead of fluorinated compounds (such as PFOA, PFOS) to prevent toxic substances from migrating to food.Data support: The fluorine content in the coating

Biodegradable Greaseproof Paper is an environmentally friendly packaging paper with oil-proof and biodegradable properties. It uses natural plant fibers as the basic raw material. After special treatment, it has excellent oil-proof and waterproof functions. At the same time, it can be decomposed in the natural environment without causing environmental pollution. This paper is widely used in food packaging, especially for foods with high oil content, such as hamburgers, cakes, French fries, pizza, etc.Uses:Biodegradable Greaseproof Paper is mainly used in the food industry to package and isolate greasy foods to ensure food hygiene and keep the appearance neat. It is often used in fast food packaging, bread and cake pads, takeaway food wrapping paper, baking paper, oil-proof paper bag lining, etc. Because of its good oil resistance and heat resistance, it not only improves the grade of food packaging, but also prolongs the shelf life of food, while providing consumers with a more convenient and clean dining experience.
Material:The paper is usually made of 100% plant-based wood pulp paper, does not contain plastic components, and is environmentally friendly and non-toxic. The surface of some products is physically calendered or coated with natural plant extracts (such as starch, plant wax, etc.) to form an oil-proof layer to prevent oil penetration. The paper itself does not contain fluoride or other harmful chemicals, ensuring food contact safety. The paper has moderate de

Coated Paper Cup Packaging is a cup packaging form made of coated paper material, which is widely used in the food and beverage industry, especially in hot and cold drinks. It improves the anti-penetration ability and structural strength of the paper cup by coating a layer of polyethylene (PE), PLA or other waterproof and oil-proof coating on the surface of the paper. It is one of the most common packaging methods for disposable paper cups.Uses:Coated Paper Cup Packaging is mainly used in the catering service industry and is suitable for loading hot and cold drinks, such as coffee, tea, milk tea, juice, carbonated drinks, smoothies, etc. It is also commonly used in takeaway packaging, event distribution, commercial exhibitions, aviation services, and daily use in offices and homes. In addition to beverages, some special styles can also be used to hold small amounts of food, such as popcorn, soups or desserts.
Material:This type of paper cup is mainly based on food-grade paper, and the surface is covered with an anti-seepage coating to enhance functionality:Food-grade base paper: usually uses certified pure wood pulp paper, with good stiffness and non-toxic safety.PE coating: Polyethylene coating is often used on the inner and outer walls to prevent liquid penetration and increase the hardness of the paper cup.PLA coating: an alternative coating for degradable paper cups, derived from plant starch, suitable for environmental protection needs.Double coating: some high-end c

Coloured Greaseproof Paper Sheets is a common paper material, usually used for packaging food or other items. Its main features are oil resistance, water resistance, moisture resistance, and penetration resistance, which can prevent grease, liquids and other substances from penetrating into the paper surface.

FeaturesOil resistance: The main feature of greaseproof paper is that it prevents the penetration of oily substances, which makes it particularly suitable for packaging foods containing grease, such as hamburgers, fried chicken, French fries, etc.Moisture resistance: It can resist the intrusion of moisture to a certain extent and keep the packaged items dry.Colorful design: As the name suggests, coloured greaseproof paper has a rich selection of colors, and different colors can be selected as needed to increase visual appeal.Environmentally friendly material: It is usually made of natural pulp, which is an environmentally friendly material and suitable for use as a recyclable material.Tough texture: Although the paper is soft, it usually has strong toughness and is not easy to tear.
AdvantagesAesthetics: The colourful design makes greaseproof paper more attractive when packaging food, which can attract consumers' attention and enhance the visual effect of food.Food safety: It does not contain harmful substances, does not pollute food, and complies with relevant regulations on food packaging.Convenient and practical: It is suitable for a variety of food p

Greaseproof Paper uses degradable wood pulp or bamboo pulp, meets environmental certification, has excellent oil and water resistance, and is suitable for fast food, baking, takeaway and other packaging. It supports food-grade ink printing and brand customization, is environmentally friendly and safe, and is an ideal sustainable packaging choice.

Environmental protection and certificationGreaseproof Paper is a sustainable food packaging material widely used in fast food, baking, takeaway and other fields. As global environmental regulations are strengthened, greaseproof paper manufacturers are committed to producing more environmentally friendly products. High-quality greaseproof paper usually uses wood pulp or bamboo pulp certified by FSC (Forest Stewardship Council) to ensure that the raw material source is sustainable and meets the food safety standards of the European Union (EU), FDA (US Food and Drug Administration) and SGS. In addition, some high-end greaseproof papers have passed the EN13432 compostable certification to ensure that they can be degraded in the natural environment without causing pollution.
Greaseproof performanceThe core function of greaseproof paper is to effectively prevent food grease from penetrating and keep the packaging clean and beautiful. Greaseproof paper manufacturers usually use two processes to improve its greaseproof performance:
Mechanical processing: Through high-density pressing, the fiber structure of paper is made tig

Biodegradable Greaseproof Paper is an environmentally friendly greaseproof paper designed for food packaging. It is widely used in fast food, baking, takeaway packaging and other fields. It not only has good oil and moisture resistance, but also can be degraded in the natural environment, which is in line with the current global trend of environmental protection and sustainable development.
         

Is it suitable for high-temperature foods such as fried chicken, hamburgers, etc.?Biodegradable Greaseproof Paper is suitable for high-temperature food packaging, such as fried chicken, hamburgers, French fries, pizza, etc. This paper is specially processed to withstand high temperatures, ensuring that the food will not be damaged or lose its greaseproof effect due to high temperatures during packaging. In addition, it can effectively insulate, prevent hands from being scalded by high-temperature foods, and enhance the user experience.
Will it leak oil after long-term use?The greaseproof paper uses a special greaseproof coating or is treated by physical methods to form a dense fiber structure with excellent greaseproof performance. Even if foods with a high oil content are stored for a long time, it can effectively block grease penetration and keep the packaging clean and beautiful. However, the specific duration of the oil-proof performance depends on the oil content and storage time of the food. Generally speaking, it can remain oil-fre