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Polypropylene (PP) CAS#9003-07-0

  • Polypropylene (PP) CAS#9003-07-0
  • Polypropylene (PP) CAS#9003-07-0
  • Polypropylene (PP) CAS#9003-07-0

Polypropylene (PP) CAS#9003-07-0

Lightweight Material: Low density helps reduce product weight in packaging and molded components.


Good Chemical Resistance: Resists many aqueous acids, alkalis and other chemicals under suitable service conditions.


Balanced Mechanical Properties: Offers good stiffness and fatigue resistance; impact performance depends on the grade and temperature.


Versatile Processing: Suitable grades are available for injection molding, extrusion, film production and fiber spinning.


Phone ：+86 18626059817
WhatsApp ：+86 18626059817
Email ：cora@wxqysteel.com
product description

Product Description of Polypropylene CAS#9003-07-0


Polypropylene, commonly abbreviated as PP, is a thermoplastic polymer produced from propylene. It is generally supplied as natural translucent or colored pellets. Commercial products include homopolymer, random copolymer and impact copolymer grades, providing different combinations of stiffness, transparency and impact resistance. Processing behavior and final performance depend on molecular structure, additives and any fillers or reinforcement.


Product Application of Polypropylene CAS#9003-07-0


Widely used in rigid packaging, household containers, caps and closures, automotive components, appliance parts, woven sacks, nonwoven fabrics and fibers. Selected grades are also used in films, pipes and medical products. Food-contact and medical applications require appropriately qualified grades that meet the applicable requirements.


Product Information

Parameters

ItemReference Information
Product NamePolypropylene
AbbreviationPP
CAS Number9003-07-0
Repeat Unit(C₃H₆)ₙ
Polymer TypeThermoplastic polyolefin
Common GradesHomopolymer, random copolymer and impact copolymer
AppearanceNatural translucent or colored pellets; other forms are available
DensityTypically approximately 0.90–0.91 g/cm³ for unfilled grades
Melting BehaviorGrade-dependent; homopolymer typically melts at approximately 160–165°C, while copolymers generally melt at lower temperatures
Water SolubilityInsoluble
Melt Flow RateGrade-dependent; specify test temperature and load
Mechanical PropertiesDepend on polymer grade, additives, fillers and test method
StorageStore in a dry, ventilated area away from direct sunlight, excessive heat and ignition sources

Safety Information

ItemReference Information
Normal HandlingSolid pellets generally present low chemical hazards under normal handling conditions
Processing HazardsMolten polymer can cause severe thermal burns; overheating can generate irritating fumes
Dust PrecautionsFine polymer dust may form combustible dust clouds
Workplace PrecautionsProvide suitable ventilation during processing and promptly clean up spilled pellets to prevent slipping
Environmental PrecautionsPrevent pellets and powder from entering drains and waterways
Transport ClassificationCommonly not regulated as dangerous goods; confirm the supplied grade’s SDS


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We are a supply chain service provider rather than a single manufacturer. Instead of being tied to one specific factory, we have established deep partnerships with numerous high-quality domestic chemical enterprises that hold certifications such as ISO and REACH. This allows us to flexibly match the most suitable supply sources to your needs while independently conducting third-party quality inspections to ensure delivery quality and price competitiveness.
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How do your overseas warehouses operate, and what are the practical benefits?

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We maintain transit warehouses with standing inventory in Southeast Asia, the Middle East, and Eastern Europe.
For you: You can pick up goods directly from local warehouses without the need for full-container orders; delivery times are reduced from the standard 30–45 days to just 3–5 days.
Reduced inventory pressure: You can purchase small batches for trial and quality verification before scaling up orders, avoiding the need to tie up large amounts of capital upfront.
Emergency restocking: If your production line faces a sudden material shortage, we can urgently dispatch supplies from our regional warehouses to prevent production downtime.
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What is the Minimum Order Quantity (MOQ)?

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For standard products, the MOQ is typically one 20-foot container (approx. 16–20 tons) for direct shipments from China. However, for stock picked up from overseas warehouses, we support orders starting from 1 ton—ideal for sample testing or small-batch production. Specific MOQs depend on the product category and packaging type; please contact us for details.
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How do you ensure product quality?

A：
We implement a "three-level quality control" system:
Before leaving the factory: We require the factory to provide a Certificate of Analysis (COA) for the specific batch.
Before shipment: We commission international third-party agencies like SGS or Intertek to conduct random inspections, with costs covered by us (for long-term partners).
After arrival: If quality issues arise, we commit to unconditional negotiation regarding returns, exchanges, or compensation, and we assume full responsibility. All terms are stipulated in the contract.
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We accept T/T (Telegraphic Transfer), L/C (Letter of Credit at sight or usance), and D/P (Documents against Payment). For clients with a long-standing partnership and good credit standing, we offer partial credit terms (e.g., 30–60 days), subject to negotiation based on transaction history and due diligence results. Cash on Delivery (COD) is available for local customers ordering in-stock items from our overseas warehouses.
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What is the typical delivery lead time?

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FOB (China Port): Goods are prepared and shipped within 7–15 working days after the contract is signed and the prepayment is received.
Overseas Warehouse Stock: Items are dispatched within 1–3 working days of order confirmation and payment; local delivery typically takes 2–5 days (depending on the country).
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Which trade terms do you offer? Do you support DDP (Delivered Duty Paid)?

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We are proficient in handling common terms such as FOB, CIF, CFR, and EXW. Additionally, for regions covered by our overseas warehouses, we offer DDP services (including duties and door-to-door delivery), allowing you to receive goods without the hassle of complex import customs clearance procedures. Please consult your sales manager for specific costs.
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How can I obtain samples? What are the costs?

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If stock is available at an overseas warehouse, we can provide 1–2 kg of samples for free; you only need to cover the local courier fees.
If shipping from China, we can arrange delivery via DHL or FedEx; samples are free, but you bear the international shipping costs. Once a clear intent to cooperate is established, these shipping costs can be deducted from your first order.
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Can the contract price be adjusted if product prices fluctuate?

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We offer a price protection mechanism:
For fixed-price contracts, we do not unilaterally raise prices due to market increases.
If you anticipate a market downturn, we can negotiate floating pricing—settling based on a benchmark price on the date of shipment or arrival—to flexibly manage fluctuations.
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What does your after-sales service include?

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We provide full-lifecycle service:
Usage Guidance: Assistance with adjusting processing parameters (if required).
Complaint Handling: Response within 48 hours and a solution provided within 7 days.
Regular follow-ups: Proactive contact every six months to understand changing needs and optimize supply solutions.
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