CaO Raw Materials for Recycled-Plastic Moisture-Control Trials
If recycled-plastic production shows moisture-related defects, first separate a CaO raw-material enquiry from a finished desiccant-masterbatch purchase.
Relia lists calcium oxide candidates for material review.
- Defect
- Confirmed moisture-related task
- Material
- Raw CaO identity and active basis
- Condition
- Packaging and moisture exposure
Manufacturing Support for This Purchase
Relia manufactures calcium oxide materials in China through its own factories.
Our proposal should identify the CaO material and its supplied form before the application discussion moves further. Tell Relia the recycled resin, moisture information and current defect. Raw quicklime data, a compounded desiccant pellet and finished-plastic acceptance are different records, so each needs its own identity and scope.
Defect
Confirmed moisture-related task
Material
Raw CaO identity and active basis
Resin
Compatibility and process scope
Condition
Packaging and moisture exposure
The Defect and Its Cause
Our CaO entries are raw powders, including a 93–95% listing and a 90–93% listing with 400–1250 mesh options. They are not finished desiccant masterbatches. We begin with your identified moisture-related problem, required supply form and the resin process rather than present powder as a universal cure for bubbles.
Confirmed moisture-related task
Raw CaO identity and active basis
Packaging and moisture exposure
Raw CaO Grades for a Moisture-Control Enquiry
| Review area | Listed data and acceptance basis | Use in your selection |
|---|---|---|
| CaO · 6611 | The title states 93–95% CaO for defoaming-masterbatch and moisture-control evaluation. Confirm active assay and physical condition. | Connect the limit with storage, handling and your processing conditions. |
| CaO · 6521 | The listing states 90–93% purity with 400–1250 mesh options. Select the exact grade and relevant fineness requirement. | Use the same particle measurement basis, then review dispersion and the result in your process. |
| Supply form | State whether the enquiry is for raw powder or a ready-to-use carrier product. Do not assume a carrier or addition rate. | Use this item to define the candidate and the evidence needed for your application. |
| Condition at use | Agree packaging, moisture-exposure controls and the checks needed to establish the supplied material condition. | Connect the limit with storage, handling and your processing conditions. |
Explore the Related Material Grades
Use these listed candidates to start a grade-specific discussion with us.
A Resin-Specific Trial
Your process team should separate moisture effects from degradation, contamination or trapped gas before running the material comparison. Evaluate the proposed raw CaO through a controlled resin-specific trial and the required product tests. Keep the purchase scope tied to the tested feedstock and process.
All bubbles
Do not share one cause.
Raw powder
Is not a finished masterbatch.
Changed feedstock
Needs a relevant review.
Calcination, Size Control and Supplied Condition
Calcination produces quicklime, while subsequent size reduction and handling determine the supplied powder condition. Exposure to moisture or carbon dioxide can change that condition before use. For this enquiry, connect the declared active-content or reactivity information and sealed packing with a matched resin trial, rather than treating total CaO as proof of moisture-control performance.
Select the carbonate feed
The starting limestone chemistry is relevant to the quicklime composition and associated impurities.
Convert to quicklime
Calcination decomposes the carbonate and creates CaO; the actual kiln and operating details belong to the production source.
Prepare the required form
Size reduction, screening and separation determine the material presented to the buyer's preparation system.
Protect the delivered condition
Packing and handling need to account for changes caused by moisture or carbon dioxide exposure.
- Composition
- Total CaO and an available-content or reactivity test need separate definitions.
- Physical condition
- Retain the proposed size, moisture condition and relevant residue data.
- Application
- Connect those measurements with a trial representing the intended equipment and duty.
Material Condition and Reorders
The approved grade, packaging and storage requirements need to stay connected. We discuss the actual supply proposal against that file. Moisture exposure or a change of recycled feedstock gives the review a new starting condition.
Connect the Next Purchasing Step
If you compound filler masterbatch, you are buying mineral feedstock for a carrier system, not simply the cheapest white powder.
If you buy filler masterbatch for PE packaging film, the carrier pellet and the resulting film need their own approval.
If a promising sample needs to become a repeat purchase, make the approval record as clear as the trial result.
Start with Your Material Brief
Send us the details below to review a concrete grade proposal and the next evaluation step.
- Application and process
- Defect: Confirmed moisture-related task
- Material and grade
- Your current grade or one of the relevant product links above.
- Important requirements
- Material: Raw CaO identity and active basis; Condition: Packaging and moisture exposure
- Purchase scope
- Trial or order quantity, preferred package and destination.
Qingdao Relia Industries Co., Ltd. · China manufacturing of industrial minerals, chemicals and the listed packaging products.
10 / 11Speak with Our Materials Team
Qingdao Relia Industries Co., Ltd.
Tell Relia the material, application, required grade, quantity and destination. Include the product link or the key limits you already use, so the next conversation starts with a concrete proposal.
Phone
+86 18561762631Call to discuss your enquiry.Qingdao contact address
Shuyuan Road, Qingdao,Shandong, ChinaQingdao contact address for the company.
