Engineered for extreme optical clarity, precise Shore hardness, low volatile migration, and high-speed automated extrusion lines.
In modern industrial polymer engineering, selecting the best transparent plastic granules supplier & factories requires an in-depth understanding of melt rheology, plasticizer migration kinetics, thermal stabilization matrixes, and optical transmission parameters. Transparent plastic granules—primarily comprised of tailored Polyvinyl Chloride (PVC) compounds, Ethylene-Vinyl Acetate (EVA) copoly-resins, and specialized thermoplastic elastomers—serve as the foundational raw materials for medical fluid delivery systems, rigid pharmaceutical blister packaging, optical-grade architectural glass lamination, and heavy-duty wear surfaces.
The global demand for high-clarity thermoplastic compounds has evolved significantly due to stringent global environmental regulations, such as EU REACH, RoHS 3, and US FDA 21 CFR standards. Enterprise procurement teams no longer evaluate suppliers solely on unit price per metric ton. Instead, sourcing decisions are dictated by long-term chemical consistency, thermal degradation resistance during high-shear processing, batch-to-batch color stability, and supply resilience.
China has solidified its position as the world's primary hub for transparent polymer pellet manufacturing. Through vertical integration—connecting chlor-alkali chemical processing directly to automated compounding extruders—Chinese state-of-the-art facilities achieve unprecedented production efficiencies while adhering to internationally recognized quality standards like ISO 9001 and ISO 13485 (Medical Devices).
To assist polymer engineers and supply chain directors in technical evaluation, the following table details the physical and rheological differences across key transparent plastic compound categories:
| Polymer Compound Type | Typical Durometer / Hardness | Light Transmittance (%) | Tensile Strength (MPa) | Key Chemical Additives | Primary Applications |
|---|---|---|---|---|---|
| Translucent Soft PVC Granules | Shore A 60 - 70 | 88% - 91% | 15 - 22 MPa | DOTP, Ca-Zn Eco-Stabilizer | Shoe soles, hot water bags, rain boots |
| Medical-Grade Soft PVC Pellets | Shore A 50 - 85 | > 92% | 18 - 25 MPa | Trioctyl Trimellitate (TOTM), Epoxidized Soybean Oil | 2000ml Urine bags, ENFit feeding bags, IV tubing |
| Rigid PVC Thermoforming Compounds | Shore D 78 - 85 | 89% - 93% | 45 - 60 MPa | Organotin Stabilizer, Acrylic Impact Modifier | Pharma blister packs, upright rigid sheets (0.15-0.8mm) |
| Super-Clear EVA Lamination Film Resin | Flex Modulus 45 MPa | > 93.5% | 20 - 30 MPa | Silane Coupling Agents, UV Blockers | 1.14mm Laminated glass, solar encapsulation |
| SPC Wear Layer Vinyl Granules | Shore D 82 - 88 | Translucent/Clear | > 50 MPa | Alumina Trihydrate, Cross-linked Polyurethanes | Rigid vinyl flooring protective surface layers |
Chinese polymer compounding facilities leverage substantial structural advantages that translate into tangible business value for international buyers:
Utilizing co-rotating twin-screw extruders equipped with loss-in-weight gravimetric feeders ensures exact dosing of liquid plasticizers, optical brighteners, and thermal stabilizers within ±0.1% tolerance.
State-of-the-art testing hubs featuring Agilent Gas Chromatography (GC-MS) for phthalate compliance verification, universal mechanical testers, and precision haze-meters prevent batch deviation.
Facilities with over 100,000 metric tons of annual output enable massive economy of scale, offering raw material cost reductions of 15% to 25% compared to European or North American compounders.
Established in 1996 | Enterprise Grade Polymer & PVC Film Manufacturing Pioneer
Founded in 1996, Jiangsu Dahai Plastics Co., Ltd. stands as a premier high-tech enterprise specializing in the research, compounding, and extrusion of high-performance PVC films, transparent plastic granules, and flexible medical polymers. Spanning a state-of-the-art industrial footprint of over 120,000 square meters, our facilities operate more than 20 advanced environmental extrusion lines.
Backed by a workforce of 450+ dedicated employees—where technical R&D management comprises 30% of total personnel—Dahai delivers an impressive annual production capacity exceeding 100,000 metric tons, generating annual sales over 1 Billion RMB ($140M+ USD total assets).
Our commitment to quality is reinforced by our CNAS accredited laboratories, equipped with Agilent GC analyzers, precision gloss meters, universal testing equipment, and environmental cold-tolerance chambers. All compounding processes strictly comply with international benchmarks including EN-71, ASTM-F-963, CONEG, RoHS, and REACH directives.
From healthcare fluid bags to architectural laminated glass, examine how customized transparent plastic granules drive modern end-products.
Transparent soft PVC granules formulated with medical-grade non-DEHP plasticizers enable production of 2000ml urine drainage bags and ENFit enteral feeding bags featuring ultra-low cytotoxicity, biocompatibility, and high seal integrity after high-frequency welding.
Rigid PVC compounds and SPC flooring wear layer granules offer superior scratch resistance, high optical transparency to showcase printed decorative wood/stone films, and long-term anti-yellowing against direct daylight UV exposure.
High-performance natural translucent PVC pellets (Shore 60-70A) deliver excellent flex resistance, abrasion resistance, and anti-slip traction ideal for injection-molded crystal shoe soles, rain boots, and fashion accessories.
Explore the extensive industrial sectors powered by our clear PVC films and custom granule formulations.
Our total registered capital reaches 40 Million USD, total assets reach 140 Million USD, supplying over 400 cities across domestic and international markets.
Make green materials, create a good and healthy life!
To become the domestic polymer material application industry leader, to build a world-class brand!
Independent innovation, intelligent future! Team style: people-oriented, safety first!
Integrity, pragmatic, efficient, win-win!
We import all kinds of testing machines, such as universal testing machines, Agilent GC analyzers, gloss meters, and cold-tolerance testing machines. All products conform to EN-71, ASTM-F-963, CONEG, and RoHS standard regulations.
Select from our certified range of pharmaceutical packaging films, medical feeding bags, EVA interlayer laminates, and SPC wear layers.
Expert answers regarding transparent plastic granules compounding, quality standards, and OEM supply logistics.
Dahai Plastic