Sunlight is hard on white plastic. After a few months outdoors, an unprotected part can turn yellow, lose its gloss, chalk on the surface or crack. For importers, brand owners and factory buyers, these failures mean returns, claims and lost customers. UV resistant white masterbatch helps prevent them.
Debao is a Chinese manufacturer that focuses only on white masterbatch. We supply TiO₂ grades from 20% to 75% on PE, PP, PET, PS and ABS carriers, with an annual output of 45,000 tons. This guide explains how UV resistant white masterbatch works, how to choose the right grade, and what to check before you order from a China masterbatch supplier for export.
• Carrier resin: PE, PP, PET, PS or ABS. It must match your base polymer.
• Dispersing agents: keep the pigment evenly spread, so the surface stays smooth and streak-free.
• UV stabilizers: added to selected grades to slow down sun damage over time.
Protection comes from two layers that work together.
This is why a standard white grade may not be enough for long outdoor life. If your product sits in direct sun for years, tell us the exposure conditions so we can suggest a suitable UV package.
Buyers usually notice these signs first:
• Yellowing or color drift on white surfaces
• Chalking, where a powdery layer appears on the surface
• Loss of gloss and faded printing
• Brittleness and cracks, especially in thin film and thin-wall parts
Hot, sunny regions speed this up. Buyers in the Middle East, Africa, South Asia, Australia and South America often see damage sooner than buyers in cooler climates. Agriculture film, woven bags, water tanks, crates and outdoor household items are the most exposed products.
• Good dispersion: supports even color and a smooth surface in film and molded parts.
• UV additive options: selected grades include UV stabilizers for outdoor use, including PE white masterbatch with UV additive.
• Heat stability: heat resistant white masterbatch grades are available for processing at 200°C and above.
• Multiple carriers: PE, PP, PET, PS and ABS.
• Batch consistency: batch-by-batch checks on color, MFI and heat stability.
• OEM support: custom formulations for masterbatch manufacturer for OEM export projects.
Not every product needs a UV package. Indoor packaging often works with a standard grade. Choose UV protection when the product sees long sun exposure. Common uses include:
• White masterbatch for agriculture mulch film: reflects light and needs UV stability for the crop cycle.
• White masterbatch for plastic bags and shopping bags: keeps color and strength when bags are stored or used outdoors.
• White masterbatch for PP woven bags: protects fertilizer, grain and cement sacks stored outside.
• White masterbatch for water tanks and crates: improves color stability in direct sun.
• White masterbatch for household items: outdoor furniture, buckets and storage boxes.
• Masterbatch for automotive plastic parts: selected exterior and under-hood parts, subject to your specification.
• Masterbatch for blow molded bottles: opaque bottles and containers.
• White masterbatch for custom molding companies: consistent color across many product lines.
• White masterbatch for medical packaging: requires extra compliance review. Please share your requirements first.
A small increase in material cost is usually cheaper than a batch of yellowed or cracked products.
1. Define the end use. Note the expected outdoor life, climate and product thickness.
2. Match the carrier. Use a carrier that is compatible with your base resin.
3. Select TiO₂ loading and dosage. Balance opacity, cost and processing.
4. Check processing temperature and MFI. Confirm they fit your machine and process.
5. Confirm compliance. Decide if you need RoHS, REACH or FDA documents for your market.
6. Test a sample. Run a small trial and check color, dispersion and surface finish.
7. Review the supplier. Look for stable quality, technical support and clear communication.
• How do you control batch-to-batch color and MFI?
• Which grades have compliance documents for my market?
• Can you adjust TiO₂ loading, carrier or UV package for my product?
• What are your MOQ, lead time and packaging options?
• Keep melt temperature within the range advised for your carrier and base resin.
• Keep pellets dry. Moisture can cause bubbles and surface defects.
• Check color under the same light you use for approval.
• Change only one variable at a time during trials.
• QUV test: uses fluorescent UV lamps and condensation cycles to simulate sun and moisture.
• Xenon arc test: uses a light source closer to full sunlight, often for color and gloss checks.
When you compare results, look at color change (ΔE), yellowness index, gloss retention and mechanical properties such as tensile strength after exposure. Compare samples with the same thickness, resin and test hours. We do not publish generic test numbers because results change with resin, thickness and dosage. Please contact our team to discuss a test plan or available data for your grade.
Export buyers often need documents before they can approve a supplier. Debao white masterbatch is produced to meet ROHS certified white masterbatch and REACH requirements, and selected grades are FDA compliant for food-contact use. Our lab checks color, MFI and heat stability batch by batch.
Our eco-friendly white masterbatch grades are designed to support environmental rules in regulated markets. Compliance depends on the grade and the final application. Please tell us your target market and request documents for the exact grade you plan to buy.
• Capacity: annual output of 45,000 tons.
• Wide range: 20% to 75% TiO₂ on PE, PP, PET, PS and ABS carriers.
• Technical support: our R&D team helps match grade, dosage and process.
• Export experience: we work with importers, distributors, OEM buyers and factory procurement teams as an industrial white masterbatch supplier.
• Clear communication: we answer technical and commercial questions directly.
As a masterbatch factory for global trade, we understand that buyers in North America, Europe, the Middle East, Asia-Pacific, South America and Africa each have different climate and compliance needs. We plan each supply project around those needs.
To get an accurate quotation faster, please send us:
• Base resin type and grade
• Process (blown film, injection, extrusion or blow molding)
• Product thickness and application
• Target market and compliance needs
• Expected UV exposure or outdoor life
• Estimated order quantity
If you need product details, a quotation, a custom formulation, samples or technical support, please Contact Us. You can also email fred@jsdebao.com or message us on WhatsApp at +86 18706172927. Our team will help you find a suitable grade for your application.
Debao is a Chinese manufacturer that focuses only on white masterbatch. We supply TiO₂ grades from 20% to 75% on PE, PP, PET, PS and ABS carriers, with an annual output of 45,000 tons. This guide explains how UV resistant white masterbatch works, how to choose the right grade, and what to check before you order from a China masterbatch supplier for export.
What Is UV Resistant White Masterbatch?
UV resistant white masterbatch is a granular concentrate made from titanium dioxide (TiO₂) pigment, a carrier resin and functional additives. You add it to natural resin during film blowing, injection molding, extrusion or blow molding. It gives the finished product a bright white color and strong opacity. When it includes UV additives, it also helps protect the plastic from sunlight.Main components
• TiO₂ pigment: provides whiteness and hiding power, and scatters part of the UV light.• Carrier resin: PE, PP, PET, PS or ABS. It must match your base polymer.
• Dispersing agents: keep the pigment evenly spread, so the surface stays smooth and streak-free.
• UV stabilizers: added to selected grades to slow down sun damage over time.
How Does UV Resistant White Masterbatch Work? (TiO₂ + UV Stabilizers)
Protection comes from two layers that work together.
Layer 1: TiO₂ reflects and scatters light
Titanium dioxide has a high refractive index. It reflects and scatters a large share of incoming light, including UV, so less energy reaches the polymer inside. Rutile TiO₂ is the usual choice for outdoor products because of its opacity and weather resistance.Layer 2: UV stabilizers protect the polymer
Some UV light still gets through. UV absorbers and hindered amine light stabilizers (HALS) deal with it. Absorbers convert UV energy into harmless heat. HALS trap the free radicals that start polymer breakdown. Together with TiO₂, they slow yellowing and brittleness better than TiO₂ alone.This is why a standard white grade may not be enough for long outdoor life. If your product sits in direct sun for years, tell us the exposure conditions so we can suggest a suitable UV package.
Why Plastics Yellow, Chalk and Crack Under Sunlight
UV radiation carries enough energy to break chemical bonds in polymer chains. With oxygen and heat, this starts photo-oxidation. The plastic slowly degrades from the surface inward.Buyers usually notice these signs first:
• Yellowing or color drift on white surfaces
• Chalking, where a powdery layer appears on the surface
• Loss of gloss and faded printing
• Brittleness and cracks, especially in thin film and thin-wall parts
Hot, sunny regions speed this up. Buyers in the Middle East, Africa, South Asia, Australia and South America often see damage sooner than buyers in cooler climates. Agriculture film, woven bags, water tanks, crates and outdoor household items are the most exposed products.
Key Features of Debao UV Resistant White Masterbatch
• High TiO₂ loading: 20% to 75%, so you can balance opacity, cost and dosage.• Good dispersion: supports even color and a smooth surface in film and molded parts.
• UV additive options: selected grades include UV stabilizers for outdoor use, including PE white masterbatch with UV additive.
• Heat stability: heat resistant white masterbatch grades are available for processing at 200°C and above.
• Multiple carriers: PE, PP, PET, PS and ABS.
• Batch consistency: batch-by-batch checks on color, MFI and heat stability.
• OEM support: custom formulations for masterbatch manufacturer for OEM export projects.
UV Resistant White Masterbatch Specifications (TiO₂ Content, Carrier Resin, MFI)
The table below shows the general range we supply. Exact values depend on the grade, so please confirm them on the technical data sheet before ordering.| Item | General Range | Buyer Note |
| TiO₂ content | 20% – 75% | Higher loading gives more opacity per gram and often a lower dosage. |
| Carrier resin | PE, PP, PET, PS, ABS | Match the carrier to your base resin. |
| Form | Granules | Dust-free and easy to feed. |
| MFI | Matched to carrier and process | Choose by film, injection or extrusion needs. |
| UV additive | Optional, by grade | Tell us the outdoor exposure time and climate. |
| Heat stability | Grades for 200°C+ processing | Check your barrel and die temperatures. |
| Typical dosage | About 1% – 5% | Depends on thickness, color target and TiO₂ loading. Confirm by trial. |
| Food contact | Selected grades, FDA compliant | Request documents for your specific grade. |
Why MFI matters
Melt flow index (MFI) controls how the masterbatch melts and mixes with your base resin. A carrier with poor MFI match can cause streaks, gels or unstable output. For thin blown film, buyers usually need a well-matched carrier and very fine dispersion. For injection molding, flow and heat stability matter more. Share your resin grade and process, and we will help you choose.UV Resistant White Masterbatch for PE, PP, PET, PS and ABS
PE carrier
PE grades suit blown film, plastic bags, shopping bags and agriculture mulch film. If your product is film-based, see our PE White Masterbatch range.PP carrier
PP carrier white masterbatch is common in containers, crates, household items, caps and woven products. Our PP White Masterbatch range covers injection molding and extrusion. For woven sacks, read our guide on White Masterbatch for PP Woven Bags.PET carrier
PET grades are used in masterbatch for PET preforms, bottles, sheets and PET white masterbatch for textile yarn. These applications need stable drying and processing.PS carrier
PS grades are used in white masterbatch for disposable items and white masterbatch for translucent products where controlled opacity is needed.ABS carrier
ABS grades suit household appliance housings and other molded parts that need a clean white finish. Ask us about UV needs if the part will be used outdoors.Applications: Agriculture Film, Outdoor Packaging, Pipes and Injection Molded Parts
Not every product needs a UV package. Indoor packaging often works with a standard grade. Choose UV protection when the product sees long sun exposure. Common uses include:
• White masterbatch for agriculture mulch film: reflects light and needs UV stability for the crop cycle.
• White masterbatch for plastic bags and shopping bags: keeps color and strength when bags are stored or used outdoors.
• White masterbatch for PP woven bags: protects fertilizer, grain and cement sacks stored outside.
• White masterbatch for water tanks and crates: improves color stability in direct sun.
• White masterbatch for household items: outdoor furniture, buckets and storage boxes.
• Masterbatch for automotive plastic parts: selected exterior and under-hood parts, subject to your specification.
• Masterbatch for blow molded bottles: opaque bottles and containers.
• White masterbatch for custom molding companies: consistent color across many product lines.
• White masterbatch for medical packaging: requires extra compliance review. Please share your requirements first.
UV Resistant vs Standard White Masterbatch: What Is the Difference?
| Feature | Standard White Masterbatch | UV Resistant White Masterbatch |
| Main purpose | Color and opacity | Color, opacity and sun protection |
| Additives | Dispersing agents | Dispersing agents plus UV absorbers or HALS |
| Best for | Indoor and short-life products | Outdoor and long-life products |
| Color stability outdoors | Limited over time | Better resistance to yellowing and chalking |
| Cost | Lower | Slightly higher, but lowers claim risk |
| Typical products | Indoor packaging, disposable items | Agriculture film, tanks, crates, outdoor goods |
How to Choose the Right UV Resistant White Masterbatch
Use this checklist when you compare suppliers and grades:1. Define the end use. Note the expected outdoor life, climate and product thickness.
2. Match the carrier. Use a carrier that is compatible with your base resin.
3. Select TiO₂ loading and dosage. Balance opacity, cost and processing.
4. Check processing temperature and MFI. Confirm they fit your machine and process.
5. Confirm compliance. Decide if you need RoHS, REACH or FDA documents for your market.
6. Test a sample. Run a small trial and check color, dispersion and surface finish.
7. Review the supplier. Look for stable quality, technical support and clear communication.
Supplier questions to ask
• Can you provide a technical data sheet and a sample for testing?• How do you control batch-to-batch color and MFI?
• Which grades have compliance documents for my market?
• Can you adjust TiO₂ loading, carrier or UV package for my product?
• What are your MOQ, lead time and packaging options?
Recommended Dosage and Processing Guide
Most buyers start with a dosage of about 1% to 5%, then adjust after a trial. Thin film with high opacity needs may need more. Thick parts may need less. Your final dosage depends on the TiO₂ loading, thickness and target whiteness.Practical processing tips
• Mix the masterbatch evenly with the base resin before feeding, or use a dosing unit.• Keep melt temperature within the range advised for your carrier and base resin.
• Keep pellets dry. Moisture can cause bubbles and surface defects.
• Check color under the same light you use for approval.
• Change only one variable at a time during trials.
Storage
Store bags in a dry, cool place and keep them sealed. Close opened bags after use.Weathering and UV Test Performance (QUV / Xenon Test Data)
Buyers should never rely on claims alone. Ask for weathering data, or run your own test. Two methods are common:• QUV test: uses fluorescent UV lamps and condensation cycles to simulate sun and moisture.
• Xenon arc test: uses a light source closer to full sunlight, often for color and gloss checks.
When you compare results, look at color change (ΔE), yellowness index, gloss retention and mechanical properties such as tensile strength after exposure. Compare samples with the same thickness, resin and test hours. We do not publish generic test numbers because results change with resin, thickness and dosage. Please contact our team to discuss a test plan or available data for your grade.
Quality Control, Certifications and Compliance (RoHS, REACH, FDA)
Export buyers often need documents before they can approve a supplier. Debao white masterbatch is produced to meet ROHS certified white masterbatch and REACH requirements, and selected grades are FDA compliant for food-contact use. Our lab checks color, MFI and heat stability batch by batch.
Our eco-friendly white masterbatch grades are designed to support environmental rules in regulated markets. Compliance depends on the grade and the final application. Please tell us your target market and request documents for the exact grade you plan to buy.
Why Choose Debao as Your UV Resistant White Masterbatch Manufacturer
• Single-product focus: white masterbatch is our core and only product category.• Capacity: annual output of 45,000 tons.
• Wide range: 20% to 75% TiO₂ on PE, PP, PET, PS and ABS carriers.
• Technical support: our R&D team helps match grade, dosage and process.
• Export experience: we work with importers, distributors, OEM buyers and factory procurement teams as an industrial white masterbatch supplier.
• Clear communication: we answer technical and commercial questions directly.
As a masterbatch factory for global trade, we understand that buyers in North America, Europe, the Middle East, Asia-Pacific, South America and Africa each have different climate and compliance needs. We plan each supply project around those needs.
Custom Formulations, MOQ, Packaging and Global Shipping
We can adjust TiO₂ loading, carrier resin, MFI, tint and UV package to fit your product. MOQ, packaging and lead time depend on the grade and level of customization, so please confirm them with our team when you request a quote. For white masterbatch FOB China orders and other trade terms, we can discuss the option that suits your route.To get an accurate quotation faster, please send us:
• Base resin type and grade
• Process (blown film, injection, extrusion or blow molding)
• Product thickness and application
• Target market and compliance needs
• Expected UV exposure or outdoor life
• Estimated order quantity
Frequently Asked Questions About UV Resistant White Masterbatch
Is white masterbatch UV resistant?
Partly. TiO₂ scatters UV light and gives some protection. For long outdoor life, you should choose a grade with UV stabilizers, as in UV resistant white masterbatch.What TiO₂ content should I choose?
It depends on opacity needs, thickness and cost. We supply 20% to 75% TiO₂. Higher loading gives more hiding power per gram. Send us your product details and we will suggest a starting grade.Can it be used for agriculture mulch film?
Yes, with the right grade. Tell us the film thickness, crop cycle and climate so we can recommend a suitable UV package.Do you have food-contact grades?
Selected grades are FDA compliant. Please tell us the exact application and market, and we will confirm which grade and documents apply.Can you customize the masterbatch?
Yes. We can adjust TiO₂ loading, carrier resin, MFI, tint and additives based on your product and process.How do I request a sample or quotation?
Send us your resin type, process, application and target quantity. Our team will reply with grade suggestions, sample options and pricing.Conclusion
Choosing the right UV resistant white masterbatch protects your product color, surface and service life. Match the carrier to your resin, choose the correct TiO₂ loading, add a UV package for outdoor use, and always test a sample before bulk orders. Also check compliance documents for your market.If you need product details, a quotation, a custom formulation, samples or technical support, please Contact Us. You can also email fred@jsdebao.com or message us on WhatsApp at +86 18706172927. Our team will help you find a suitable grade for your application.





