Weather Resistance/Flame Retardant/Electrical Insulation/UV Stabilized/Rigid/Soft PVC Granules for P

Certification	ISO, CE
Standard:GB5761-1993	Sg7
Vloatile Content Incl.Water≤	0.4
Apparent Density ≥	0.48
Number of Fish Eye 1400cm≤	30
Plasticizer Absorption of≥	12
VCM Residue Ppm≤	5
K-Value	62-60
Polymerizing Index	800+/-50
Number of Impurty Particl ≤	20
Transport Package	PP Bag
Specification	25kg/pkg
Trademark	PVC Masterbatch
Origin	China
HS Code	3904101000

1. Basic Form & Definition

 

Category PVC Resin PVC Granules Physical Form Fine white powder Uniform granules (typically 2-5mm in diameter) Composition Pure polyvinyl chloride polymer (no additives) PVC resin + additives (plasticizers, stabilizers, fillers, etc.) Production Stage Raw material (polymerized from VCM) Processed product (compounded and pelletized)

2. Key Differences

(1) Processing
    PVC Resin:
       Requires downstream manufacturers to add plasticizers, stabilizers, and colorants before extrusion/molding.
       Used for highly customized formulations (e.g., medical tubing, specialty cables).

    PVC Granules:
       Pre-compounded with additives, ready for direct injection molding or extrusion.
       Ideal for standardized products (e.g., pipes, window profiles).

(2) Properties
    PVC Resin:
       Neutral properties; final performance depends on added modifiers.
       Example: Adding 40% DOP creates flexible films, while calcium carbonate increases rigidity.

    PVC Granules:
       Pre-optimized for specific uses:
           Rigid Granules (UPVC): High calcium filler → pipes, fittings.
           Flexible Granules: 30% DOP + plasticizers → floor mats, hoses.
 

(3) Applications

 

Application PVC Resin Use Case PVC Granules Use Case Pipes & Construction Customized weather-resistant pipes Standard plumbing pipes, window frames Wire & Cable High-flame-retardant jackets (custom) General-purpose insulation Consumer Goods FDA-compliant food packaging films Shoes, packaging films (ready-to-use)

3. Selection Guidelines
Choose PVC Resin If:
    You need custom formulations (e.g., medical, food-grade, or high-performance products).
    You have in-house compounding facilities and cost-saving goals.
    Your production scale justifies raw material processing.

Choose PVC Granules If:
    You are an SME without mixing/pelletizing equipment.
    You produce standardized items (e.g., generic PVC fittings).
    You prioritize fast production (skip compounding steps).

4. Common Market Types

 

PVC Granule Type Typical Formula Applications Rigid (UPVC) PVC resin + Ca/Zn stabilizer + CaCO₃ Drain pipes, building profiles Flexible PVC resin + 30% DOP + ESBO plasticizer Flooring, inflatable products Transparent PVC resin + organotin + MBS impact modifier Blister packs, shrink films Flame-Retardant PVC resin + Sb₂O₃ + phosphate FR Cable sheaths, enclosures

5. Cost & Sustainability
    Cost Comparison:
       PVC resin: Lower material cost but higher processing expenses.
       PVC granules: Higher price but reduced processing time/energy.

    Eco-Trends:
       Shift toward lead-free stabilizers (e.g., Ca/Zn) and bio-plasticizers.
       Recycled PVC granules gaining traction in non-critical uses (e.g., planters, pallets).

Summary Table: PVC Granule Types & Uses

Type of PVC Granules Key Properties Common Applications Rigid (UPVC) Granules High strength, chemical resistance Pipes, window frames, electrical conduits Flexible (Soft PVC) Granules Elastic, soft, durable Flooring, hoses, footwear, medical tubing Flame-Retardant Granules Self-extinguishing, low smoke Cables, automotive wiring, building materials Transparent Granules Clear, impact-resistant Blister packs, food packaging, medical devices Recycled PVC Granules Eco-friendly, cost-effective Non-critical products (e.g., garden hoses, traffic cones)

Why Choose PVC Granules Over PVC Resin?
1.Ready-to-use - No need for additional compounding.
2.Consistent quality - Pre-mixed for uniform performance.
3.Faster production - Directly fed into extruders/injection molding machines.
4.Customizable - Available in rigid, flexible, flame-retardant, and transparent grades.

Future Trends in PVC Granules
1.Bio-based plasticizers (replacing phthalates for eco-friendly products).
2.Recycled PVC granules (supporting circular economy initiatives).
3.Smart PVC compounds (with antimicrobial/self-healing properties).
 

Physical Properties

ParameterRigid PVC (uPVC)Flexible PVCTest Standard Density1.3-1.45 g/cm³1.1-1.35 g/cm³ISO 1183 Tensile Strength40-60 MPa10-25 MPaASTM D638 Elongation at Break2-40%100-400%ASTM D638 Flexural Modulus2,500-4,000 MPa10-100 MPaASTM D790 Shore HardnessD75-D85 (Shore D)A50-A95 (Shore A)ASTM D2240 Notched Izod Impact2-10 kJ/m²N/AASTM D256

Thermal Properties

ParameterRigid PVCFlexible PVCTest Standard HDT (1.8 MPa)65-80°C50-60°CASTM D648 Continuous Use Temp-10°C to +60°C-30°C to +70°C (short-term up to 90°C)ISO 2578 Vicat Softening Point70-90°C60-80°CISO 306 CLTE5-8 ×10^-5/K7-15 ×10^-5 /KASTM D696

 

Comparative Specifications of PVC Resin Grades (SG3/SG5/SG7/SG8)

ParameterSG3SG5SG7SG8Test Standard Polymerization Degree (DP)1300-15001000-1100700-800500-600GB/T 3402 K-value72-7568-7162-6558-61ISO 1628-2 Avg. Molecular Weight (×10⁴)9.5-11.07.5-8.55.5-6.54.0-5.0GPC Method Apparent Density (g/cm³)0.42-0.480.45-0.520.48-0.550.50-0.58GB/T 3402 Oil Absorption (DOP, %)12-1818-2525-3230-38GB/T 3400 Thermal Stability (min)≥40 (180°C)≥30 (180°C)≥20 (180°C)≥15 (180°C)GB/T 2917

   

 

 

Weifang Phoenix New Material Co., Ltd

                                      Weifang Phoenix New Material Co., Ltd is a high-tech chemical enterprise integrating research and development,

                                    production, sales and technical services. Headquartered in Weifang, Shandong Province. Its production facilities are

                                                      ocated in Weifang Binhai Chemical Industry Park, a state-approved chemical industry park.
 

                                         Our mission is to be the leading sustainable "one-stop shop" chemical solutions company, providing customers

                               with innovative, science-led, differentiated products and solutions. To this end, we provide a safe and healthy working

                                              environment for our employees and comply with all local, national and international regulations.