Overview
High-transparency plastic granules are engineered thermoplastic materials designed for applications requiring exceptional optical clarity. These polymer pellets serve as raw material for injection molding, extrusion, and blow molding processes. Commonly based on polycarbonate (PC), polymethyl methacrylate (PMMA), or cyclic olefin copolymers (COC), they combine transparency with mechanical strength and thermal stability. The material's development responds to growing demand in premium packaging and optical industries, where glass-like clarity with plastic's lightweight advantages is essential. Modern high-clarity formulations achieve light transmission exceeding 90% with haze values below 2%, rivaling glass performance while offering superior design flexibility and impact resistance.
Physical and Chemical Properties
These granules exhibit refractive indices typically between 1.49-1.59, closely matching glass to minimize light scattering. Advanced formulations maintain stability across temperatures from -40°C to 120°C, with some specialty grades resistant to thermal degradation up to 150°C. The materials demonstrate Rockwell hardness values of M60-M90, balancing scratch resistance with processability. Chemically, high-clarity polymers show excellent resistance to water and aqueous solutions but may be susceptible to strong acids, bases, or organic solvents depending on the base resin. UV-stabilized versions incorporate additives to prevent yellowing while maintaining over 88% light transmission after prolonged outdoor exposure. The granules' melt flow index (MFI) ranges 5-30 g/10min, optimized for different processing methods.
Main Applications
Primary use occurs in food-grade packaging, particularly for containers requiring content visibility like beverage bottles and cosmetic jars. Medical applications include IV components and diagnostic device housings where clarity facilitates fluid monitoring. The electronics industry utilizes these materials for display light guides, touch panel substrates, and LED diffusers. Optical applications encompass precision lenses, prisms, and light pipes in automotive lighting and camera modules. Emerging uses include augmented reality visors and transparent structural components in architectural designs. Specialized anti-fog formulations serve refrigeration displays and protective face shields, while static-dissipative grades prevent dust accumulation in cleanroom environments.
Safety and Storage
In pellet form, the material poses minimal hazard but requires standard dust control measures during handling. Thermal processing generates fumes necessitating local exhaust ventilation, with temperatures strictly controlled below polymer decomposition points (typically 280-350°C). Food-contact grades must comply with FDA 21 CFR or EU 10/2011 regulations. Storage recommendations include sealed moisture-proof containers with desiccant packs to prevent hydrolysis degradation in hygroscopic resins like PET. Pallets should be stacked no more than three layers high to prevent pellet deformation. Optimal shelf life is 12 months when stored below 30°C at relative humidity under 50%, with PMMA particularly sensitive to humidity absorption affecting processability.
B2B Procurement Guide
Industrial buyers should specify optical properties (transmittance, haze, yellowness index), regulatory certifications (FDA, USP Class VI, RoHS), and processing parameters (recommended melt temperature, drying requirements). For consistent production, request certificates of analysis for each batch verifying key parameters like MFI and intrinsic viscosity. Consider ordering trial quantities to test processing behavior before large purchases. Major manufacturers typically offer technical support for processing optimization. Bulk shipments (25kg bags or 500-1000kg supersacks) provide cost advantages, while some suppliers offer customized additive packages for specific application requirements. Lead times average 2-6 weeks depending on grade specificity and order volume.
Related Manufacturers
- 主营：PA66原料、无卤阻燃PA66、PA6改性料、PSU塑料颗粒、工程塑料、阻燃PA66、改性塑料、改性尼龙、特种塑料、PEEK原料、PPS原料、PA6原料、TPEE塑料、PEI改性料、TPE、TPU、导电防静电塑料、PEEK板棒、PEI板棒、铁氟龙原料、3D打印耗材、PSU、PPSU、PES、PEEK粉末、导电塑料
- 主营：POM、PPS、PA、共聚物透PP颗粒、PP、PMMA、PE、PET、PC、ABS、PC/ABS、PBT、LCP、PPA、TPU、PA66、塑胶原料、PEEK
- 主营：塑胶原料
- 主营：70度绝缘护套料、90度热塑性低烟无卤阻燃护套料、90度热塑性低烟无卤阻燃绝缘料、PVC颗粒料、辐照交联低烟无卤料、UL 80度绝缘护套料、UL 105度绝缘护套料
- 主营：粘接剂、树脂粉、abs韩国、塑料颗粒、pvc塑胶、纯圆棒、pok韩国、asa韩国、加铁氟龙、ppa长碳纤、abs合金料、纤导电pom、pa6长碳纤、长纤塑料、紫外线pok、分子pe粉末、韩国lg塑料、加石墨填充、食品级树脂、灰黑色塑料、导电防静电、防静电塑料、酰亚胺棒材、聚酰亚胺树脂、抗紫外线塑胶
- 主营：阻燃ABS、阻燃PC/ABS系列、阻燃环保PC/ABS合金、高透TPU强粘PC、PBT系列、阻燃PP
- 主营：pvc粒子、pvc新料、pvc材料、pvc挤出颗粒、pvc配方、注塑pvc、黑色pvc、pvc软质、一款pvc、pvc塑料、pvc料粒、pvc注朔、pvc环保、环保阻燃abs、阻燃合金abs、阻燃abs粒子、阻燃abs塑料、阻燃abs合金料、pvc注塑料、阻燃abs注塑、pvc管件材料、挤出pvc
- 主营：塑料原料、PP、PA66、塑胶原料塑料颗粒、TPEE、PC
- 主营：[]
- 主营：POM、PC、ABS、PC/ABS、PA66、PBT、工程塑料、热塑弹性体、通用塑料
- 主营：木工胶、热熔胶、包覆热、无填料高温、高粘度无填料、高品质无填料、填料高温封边、pvc包覆胶、pvc护墙板、力无填料、装订热熔、木材类无、环保木工、pvc贴面胶、木工包覆胶、纸箱礼盒无、无填料包覆、木工封边胶、木门专用胶、环保无填料、纸箱礼盒包覆、家具木工封边
- 主营：PE再生料、聚乙烯PE回料、中空PE再生料、再生HDPE颗粒、改性再生PE颗粒、聚乙烯pe管道颗粒、高密度聚乙烯PE颗粒、pe再生颗粒、低压聚乙烯PE颗粒、吹塑HDPE再生颗粒、再生PE低压颗粒、HDPE再生颗粒、HDPE中空颗粒、塑木HDPE颗粒、再生pe低压颗粒、改性HDPE再生颗粒、HDPE再生塑料颗粒、环保HDPE再生颗粒、防水卷材HDPE颗粒、聚乙烯HDPE、吹膜HDPE再生料、户外家具HDPE专用、低压聚乙烯PE再生料、HDPE再生料、HDPE回料
- 主营：HDPE再生料、低压聚乙烯HDPE、中空吹塑HDPE、环保HDPE再生颗粒、聚乙烯再生颗粒、改性再生PE颗粒、改性HDPE再生颗粒、HDPE再生塑料颗粒、HDPE再生颗粒、高密度低压聚乙烯、改性再生HDPE颗粒、可追溯GRS认证颗粒、消费后回收再生颗粒、耐候HDPE颗粒、防水卷材HDPE颗粒、塑木专用HDPE颗粒、户外家具HDPE颗粒、HDPE回料、牛奶瓶HDPE再生料、吹膜HDPE再生料、HDPE低压再生料、OBP海洋塑料、PCR再生原材料、抗老化HDPE再生料
- 主营：白色色母、塑料抗氧化剂、颜料、高浓度色母、高光填充料、高光黑色母、彩色色母、色母、色母批发、色母定制、珠光颜料、ABS色母、电线电缆色母、珠光色母、荧光颜料、吹膜色母、注塑色母、流纹色母、发泡剂、大理石色母、经济型白色色母、珍珠棉专用色母、注塑通用色母、化工桶色母、pe色母
- 主营：特种工程塑料、弹性体塑料、通用塑料、工程塑料、合金塑料