PETG Plate Extrusion Line

Name: PETG Plate Extrusion Line
Brand: JWELL
SKU: petg-plate-extrusion-line

Key Features

PETG Plate Extrusion Line: Related JWELL Extrusion Lines

Seeing Jwell PETG Plate Extrusion Line FAT

PETG's Amorphous Structure Eliminates Crystallization — Save $80K-150K in Capital & 4-6 Hours per Cold Start

The CHDM (cyclohexane dimethanol) comonomer in PETG interrupts the polymer chain’s ability to crystallize, which has a practical consequence most extrusion engineers immediately appreciate: PETG does not require the crystallization and pre-drying steps that standard PET demands. Unlike standard PET, where residual moisture hydrolyzes the polymer at processing temperatures causing intrinsic viscosity loss and bubble formation, and where amorphous PET pellets must be crystallized before drying to prevent them from fusing together, PETG can be fed directly from sealed gaylords or silos into the extruder hopper.

This eliminates three significant operational burdens:

1. Capital Cost Elimination: A crystallizer and desiccant dryer system for a 500 kg/h PET line costs $80,000-150,000. PETG skips this investment entirely.

2. Energy Reduction: The crystallizer’s heater and dryer’s regeneration blower consume 80-120 kW of installed power. PETG production runs without this energy overhead — a 15-20% reduction in total energy consumption versus equivalent PET production.

3. Startup Speed: PET crystallizer and dryer warm-up requires 4-6 hours before every cold start. PETG cold starts reach production stability in under 1 hour. For converters running multiple short production campaigns per week, this operational flexibility directly improves machine utilization rates.

The PETG plate line shares the same basic process architecture as the PET plate line — extruder, melt pump, screen changer, T-die, three-roll calendar, cooling, haul-off, cutter — but omits the crystallization and drying front-end, simplifying the line and reducing both capital and operating costs.

配图建议: PETG 产线从料仓直接进挤出机的流程示意 vs PET 产线需结晶+干燥系统流程对比图

Flexible Screw Architecture — Single-Screw or Twin-Screw for Material Range and Output Optimization

Jwell offers the PETG plate line in two extruder architectures, each optimized for different converter profiles:

Single-Screw Configuration: The standard configuration uses a single-screw extruder with a PETG-specific barrier flight screw geometry. This architecture is simpler, lower cost, and easier to maintain — the right choice for converters whose production is primarily or exclusively PETG. The single-screw design provides excellent melt homogenization for PETG’s amorphous structure and operates efficiently across the 250-500 kg/h output range.

Twin-Screw Configuration: For converters who need material flexibility — processing PETG, PET, and potentially other thermoplastics from the same line — the twin-screw configuration provides superior mixing, devolatilization (via vacuum venting), and material changeover capability. The co-rotating twin-screw’s self-wiping design prevents material cross-contamination during grade changes, and the vacuum venting zone removes residual volatiles that could cause bubbles in thick transparent plate.

Both architectures use Jwell-manufactured screws from 38CrMoAlA nitrided steel (single-screw) or W6Mo5Cr4V2 high-speed tool steel (twin-screw elements), with barrel hardness HV>=940. The screw design maintains controlled shear rates that preserve PETG’s impact properties while ensuring complete melting and homogeneous melt delivery to the die.

配图建议: 单螺杆 vs 双螺杆挤出机对比照片

Precision Three-Roll Calendar — 42CrMo Rollers, HRC58-62, Ra≤0.016μm, ±0.5°C Control

The three-roll calendar is the primary determinant of PETG plate surface quality, thickness uniformity, and optical clarity. Each roller is manufactured from 42CrMo forged steel, providing high hardenability, excellent toughness, and dimensional stability under the thermal cycling inherent in PETG processing.

Key roller specifications:

For PETG transparent plate, the roller surface finish directly determines the plate’s surface quality. PETG’s excellent surface reproduction means any imperfection on the roll surface transfers to the plate. Jwell’s Ra≤0.016 μm mirror finish produces PETG plate with a glossy, glass-like surface suitable for POP displays, medical trays, and high-end packaging applications.

Roller temperature is controlled to ±0.5-1°C across the full face width by individual closed-loop pressurized water circuits for each roll. PETG’s glass transition temperature of approximately 81°C creates a specific roll polishing requirement: PETG must be polished on both surfaces while the melt is still above Tg, requiring roll temperatures between 70°C and 90°C. This precision eliminates the gloss variation bands that appear as visible stripes on transparent PETG plate when roll temperature is non-uniform.

配图建议: 三辊压光机近景，展示镜面辊筒表面

PID-Controlled Gear Pump — ±1 Bar Die Pressure for Zero-Gel, Zero-Die-Line PETG Plate

PETG transparent plate quality demands defect-free surfaces — gels, die lines, bubble lines, and thickness bands are all unacceptable under the controlled lighting inspection conditions used by medical and display buyers. Jwell’s systems-level approach to defect elimination includes a PID-controlled gear pump (melt pump) between the extruder and the die.

The melt pump absorbs the extruder’s natural pressure pulsations (±5-8 bar amplitude at the extruder head) and delivers melt to the die entry at pressure stabilized within ±1 bar. This pressure stability directly eliminates the die lines and thickness bands that pulsating melt pressure creates across the web width. The pump’s positive displacement also decouples extruder output from downstream pressure variations caused by filter screen changes or viscosity shifts, maintaining consistent plate quality throughout production campaigns.

Three melt pump options are available: Jwell self-manufactured (cost-optimized), Maag (Switzerland) for premium European precision, or Nordson (USA) for global serviceability. The gear pump is sized to match the line’s output range (250-500 kg/h) with minimal pressure drop.

配图建议: 熔体泵安装位置示意或近景

Technical Specifications

Extruder

Parameter	Specification
Extruder Type	Single-screw (standard) or Twin-screw (option)
Screw Diameter Options	90 mm / 120 mm (single-screw)
L/D Ratio	33:1 (single-screw) / 40:1 (twin-screw)
Screw Material	38CrMoAlA nitrided steel (single) / W6Mo5Cr4V2 (twin)
Screw Surface Hardness	HV >=740 (single) / HV >=900 (twin)
Barrel Surface Hardness	HV >=940
Feeder Type	Volumetric or gravimetric feeder
Vacuum Venting	Optional (twin-screw standard)

Melt Pump & Screen Changer

Parameter	Specification
Melt Pump Brand Options	Jwell (self-developed) / Maag (Switzerland) / Nordson (USA)
Melt Pump Pressure Stability	±1 bar at die entry
Screen Changer Type	Hydraulic, continuous operation
Screen Changer Configuration	Single-column or double-column
Screen Change Time	<2 seconds (double-position design)

Die

Parameter	Specification
Die Type	Coat-hanger manifold, flexible-lip
Die Material	High-quality mold steel
Flow Channel Chrome Plating	0.03-0.05 mm
Die Cavity Surface Roughness	Ra 0.1 μm
Die Lip Surface Roughness	Ra 0.05 μm

Roller (Three-Roll Calendar)

Parameter	Specification
Configuration	Three-roll vertical or horizontal calendar
Roll Material	42CrMo forged steel
Coaxiality	≤0.005 mm
Surface Roughness	Ra ≤0.016 μm (mirror polish)
Surface Hardness	HRC 58-62
Chrome Plating	0.08 mm
Roll Temperature Range	70-120°C (PETG optimal: 70-90°C)
Temperature Deviation	±0.5-1°C across full face width
Temperature Medium	Pressurized hot water (max 120°C)

Production Parameters

Parameter	Specification
Materials	PETG (glycol-modified PET)
Output Capacity	250-500 kg/h (configuration & material dependent)
Plate Thickness Range	1.0-12.0 mm
Plate Width	600-1,200 mm
Thickness Tolerance	±2% (with automatic die lip control)
Light Transmission	≥90% at 2mm thickness
Haze	<2% at 2mm thickness
Downstream Equipment	Cooling bracket → Haul-off → Cutter → Conveyor
Control System	Siemens S7-1500 PLC + 15″ HMI
Certifications	CE, ISO 9001

Line Performance

Parameter	Specification
Total Installed Power	180-350 kW (configuration dependent)
Recipe Storage	Configurable slots, time-stamped parameter logging
Process Parameters Logged	50+ at 10-second intervals

Certifications & Utilities

Parameter	Specification
Certifications	CE, ISO 9001
Available as	Complete line turnkey solution
After-Sales	Global engineer certification system, 48-hour spare parts dispatch

[I] MATERIAL COMPARISON — PETG vs GPPS vs ABS vs PMMA

Property	PETG / GPPS (Crystal PS) / ABS / PMMA (Acrylic)
Transparency	≥90% ✅ / ≥88% ✅ / Opaque ❌ / ≥92% ✅
Impact Strength (Izod, J/m)	80-100 (no break) ✅ / 15-20 (brittle) ❌ / 20-40 / 15-20 (brittle) ❌
Pre-Drying Required	No ✅ / No ✅ / Yes (3-4 hr) / No ✅
Thermoforming Temp	60-80°C ✅ / 100-130°C / 120-140°C / 140-160°C ❌
Deep-Draw Capability	Excellent ✅ / Poor (cracks) ❌ / Good / Moderate (thins)
Chemical Resistance	Excellent ✅ / Poor (solvents) / Good / Good
UV Resistance	Good (with additive) / Poor (yellows) ❌ / Poor (yellows) ❌ / Excellent ✅
Material Cost (relative)	1.2-1.5× / 0.6-0.7× (lowest) / 1.0× / 1.0×
Service Temp (max)	65°C / 70°C / 105°C / 80°C
Key Advantage	Impact + clarity + thermo + no-dry / Lowest cost + clarity / Impact + heat resistance / Highest clarity + UV

[J] MARKET POSITION — PETG厚板市场定位与差异化

维度	PETG Plate 线定位 / 说明
Impact + Clarity	Better impact than GPPS, clearer than ABS / Unique performance intersection no other material matches
Process Simplification	No crystallizer, no dryer, no 4-6 hr warm-up / Eliminates 3 major PET processing burdens
Thermoforming Premium	60-80°C forming, excellent sag resistance / Fastest cycle times for deep-draw applications
Capital Advantage	$80K-150K dryer cost eliminated vs PET / Lower total investment for equivalent output
Application Premium	Medical + POP + deep-draw + protective / Markets where impact + clarity + formability intersect
Architecture Flexibility	Single-screw or twin-screw options / Material range and output optimization

[L] RELATED PRODUCTS 相关产品

卡片	产品名称 / 链接 / 关系
1	PETG Sheet Extrusion Line / /sheet-extrusion/petg-sheet-extrusion-line/ / 同材料薄片产线（0.2-2mm），互补厚度范围
2	PET Sheet Extrusion Line / /sheet-extrusion/pet-sheet-extrusion-line/ / 材料同族（PETG = glycol-modified PET），多材料平台选择
3	GPPS Plate Extrusion Line / /sheet-extrusion/gpps-plate-extrusion-line/ / 同类透明厚板，成本/耐冲替代选择

[N] INQUIRY FORM 询价表单

#	字段 / 类型 / 必填 / 说明
1	Name / text / ✅ / placeholder: “Your full name”
2	Email / email / ✅ / placeholder: “your@company.com”
3	Country / select / ✅ / 200+国家
4	Phone / tel / — / 含国际区号
5	Company / text / — / placeholder: “Your company name”
6	Application / select / ✅ / Deep-Draw Thermoforming / POP Displays / Medical Trays / Protective Barriers / Multiple / Other
7	Extruder Architecture / select / ✅ / Single-screw / Twin-screw / Not sure / Recommend for me
8	Required Output (kg/h) / select / ✅ / <250 / 250-350 / 350-500 / >500 / Not sure
9	Plate Thickness (mm) / select / — / 1-3 / 3-6 / 6-8 / 8-12 / Not sure
10	Required Plate Width (mm) / select / — / <600 / 600-900 / 900-1200 / >1200 / Not sure
11	Medical Validation Needed / select / — / Yes (ISO 13485) / No / Not sure
12	Melt Pump Preference / select / — / Jwell / Maag (Switzerland) / Nordson (USA) / Not sure / Recommend for me
13	Message / textarea / — / placeholder: “Tell us about your production requirements, target markets, and any special material grades…”
—	CAPTCHA / — / ✅ / reCAPTCHA v3
—	Submit / submit / — / “Request Quote & Configuration”

4.1 On-Page 元素

#	检查项 / 状态
1	唯一 H1，含完整产品名 + 核心关键词 / ✅
2	H2 技术关键词覆盖: PETG plate, high-impact, clear sheet, no crystallization, deep-draw thermoforming, 42CrMo roller / ✅
3	规格表为 HTML <table> 文本 / ✅
4	所有图片有描述性 alt 属性 / ✅
5	面包屑用 Schema BreadcrumbList / ✅
6	FAQ 用 Schema FAQPage (6个Q&A) / ✅
7	产品信息用 Schema Product + 详细 Organization / ✅
8	视频用 Schema VideoObject + 本站托管 / ✅
9	Material Comparison 区块覆盖 PETG/GPPS/ABS/PMMA 对比关键词 / ✅
10	Canonical 自引用 / ✅
11	Title tag 50-60 chars / ✅
12	Meta description 含性能数据 + 关键词 / ✅
13	Open Graph 完整 / ✅

4.2 E-E-A-T 信号强化

信号	体现方式
Experience	25000+ 产线交付、29年行业经验、120+国家安装
Expertise	PETG专用螺杆设计、42CrMo镜面辊筒Ra≤0.016μm全自产、单/双螺杆架构选择、1000+专利
Authoritativeness	8大生产基地、3500员工、$700M年营收、ISO/CE认证
Trustworthiness	CE + ISO 9001认证、全球工程师认证体系、48小时备件发货、医疗验证文档支持

4.3 技术性能

检查项	目标值
LCP	< 2.5s
CLS	< 0.1
INP	< 200ms
Mobile-friendly	✅
图片格式	WebP (待补充)

5.1 已有图片资源

文件夹	文件 / 用途 / 状态
主图/	— / — / ❌ 空文件夹，需补充主图
详情图/	— / — / ❌ 空文件夹，需补充应用场景图

5.2 已有视频资源

文件	用途 / 状态
视频/PETG Plate Extrusion Line FAT.mp4	[D] FAT 视频 / ✅

5.3 尚需补充的资源

用途	建议 / 优先级
Hero 主图 ×2	PETG整线全景 + 主机特写 / 高
应用场景图 ×4	深拉伸热成型 / POP展示 / 医疗托盘 / 防护屏障 / 高
F1 无需结晶对比图	PETG直接进料 vs PET需结晶+干燥系统流程对比 / 高
F2 螺杆架构配图	单螺杆 vs 双螺杆对比 / 中
F3 三辊压光配图	压光辊近景 / 高
F4 熔体泵配图	熔体泵安装位置 / 中
F5 PETG光泽对比图	PETG片材光泽度对比（正常 vs 温度偏差） / 中
F6 冷却托架配图	多区温控冷却段近景 / 中
F7 全球组件配图	电控柜 + 品牌 logo 组合 / 低
FAT 视频封面图	PETG plate FAT 视频 poster 图 / 高
相关产品卡片图	PETG Sheet/PET Sheet/GPPS Plate 缩略图 / 中

本页链接到 (Outbound)

目标页面	位置 / 锚文本
PETG Sheet Line	[L] Related Products / “PETG Sheet Extrusion Line”
PET Sheet Line	[L] Related Products / “PET Sheet Extrusion Line”
GPPS Plate Line	[L] Related Products / “GPPS Plate Extrusion Line”
Sheet Extrusion Pillar Page	[A] Breadcrumb / “Sheet Extrusion”

从其他页面链接到本页 (Inbound)

来源页面	链接上下文
Sheet Extrusion Pillar Page	片材挤出分类页
Medical Device Packaging Guide	医疗包装解决方案页
PET vs PETG Comparison Guide	PET与PETG对比选择页
Thermoforming Materials Overview	热成型材料概览
PETG Sheet Extrusion Line	厚板/薄片产线对比

八、与 ABS 线页面结构的关键差异

维度	ABS 线 / PETG Plate 线
Hero 卖点重点	市场份额 + 客户规模（90%份额 + 300线 + 海尔） / 材料差异化 + 性能优势（无需结晶 + 耐冲 + 透明 + 深拉伸）
标签页数	5 个 (+Case Studies) / 4 个（无Case Studies）
功能区块	8 个（冰箱高产能 + 自动化堆垛 + 共挤） / 7 个（无需结晶 + 单/双螺杆 + 高温辊 + 厚板冷却 + 熔体泵）
视频数	2 个 (FAT + 案例) / 1 个 (FAT only)
独特区块	Case Studies [I] + Market Position (客户数据) / Material Comparison [I] (PETG vs GPPS vs ABS vs PMMA)
FAQ 重点	冰箱线产能 + ABS干燥 + 全球服务 / PETG无需结晶 + PETG vs GPPS/ABS + 深拉伸优势 + PET兼容性
表单字段	11 个 (Application + Timeline) / 13 个 (+Extruder Architecture + Medical Validation + Plate Width)
E-E-A-T 重心	市场地位 + 规模验证 / 材料专业性 + 性能精度 + 医疗验证支持
特色数据	300+冰箱线 + 90%份额 + 海尔20年 / 无需结晶 + 耐冲>GPPS + 透明>ABS + 60-80°C热成型
应用首位	Refrigeration (冰箱板) / Deep-Draw Thermoforming (深拉伸热成型)
产能定位	300-3000 kg/h (volume-driven) / 250-500 kg/h (performance-driven)
厚度范围	0.5-6.0 mm / 1.0-12.0 mm (thick plate specialist)

Deep-Draw Thermoforming — PETG Plate for Complex Formable Parts with Superior Sag Resistance

PETG plate at 2-6 mm thickness is the material of choice for deep-draw thermoformed products where the draw depth exceeds 3× the sheet thickness — luggage inner shells, equipment housings, automotive interior panels, and large display enclosures. PETG’s amorphous structure gives it a wide thermoforming window and excellent sag resistance — the material stretches uniformly without thinning excessively at deep-draw corners, which is the primary failure mode for GPPS (cracking) and PMMA (thinning) in deep-draw tooling.

PETG’s optimal thermoforming temperature range of 60-80°C is substantially lower than GPPS (100-130°C), ABS (120-140°C), or PMMA (140-160°C), meaning faster heating cycles, lower energy consumption, and better detail reproduction from fine mold features. The material’s impact resistance (Izod notched 80-100 J/m) ensures that deep-draw thermoformed parts maintain structural integrity through demolding, trimming, and end-use handling — a critical advantage over GPPS, whose brittleness causes cracking during demolding of deep-draw parts.

The Jwell line’s thickness tolerance of ±2% ensures uniform wall distribution in deep-draw thermoformed parts — thickness variation causes thin spots in deep-draw corners that fail under mechanical load.

POP Displays — High-Impact Clear PETG Plate for Retail Visual Merchandising

Retail display manufacturers use PETG plate at 3-8 mm thickness for transparent shelves, product risers, signage panels, and display box components where the material’s combination of clarity, toughness, and ease of fabrication allows rapid assembly without the brittleness issues of GPPS or the cost of PMMA.

PETG’s impact resistance — approximately 4-5× that of GPPS at equivalent thickness — prevents display component breakage during assembly, transportation, and the inevitable handling impacts in active retail environments. Display components fabricated from GPPS crack when dropped from display height; PETG components survive the same impact without damage, reducing replacement cost and maintaining display integrity throughout the retail campaign.

The material’s solvent bonding capability (using MEK or tetrahydrofuran) enables fast, strong joint construction for display assembly without specialized welding equipment. PETG’s excellent edge polishing capability — cut edges can be polished to optical clarity using mechanical buffing or flame polishing — creates the premium “crystal edge” appearance that high-end retail displays demand.

Jwell PETG lines can produce plate in custom colors and with UV-blocking additives for window-display applications subject to direct sunlight exposure, preventing the yellowing that acrylic develops under UV exposure over time.

Frequently Asked Questions

Does PETG require pre-drying or crystallization before extrusion? -

No. PETG’s CHDM comonomer prevents crystallization, which means PETG can be fed directly from sealed gaylords or silos into the extruder hopper without the 4-6 hour pre-drying and crystallization step required for standard PET. This eliminates the capital investment in a crystallizer and desiccant dryer system (typically $80,000-150,000 for a 500 kg/h capacity), reduces total installed power by 80-120 kW, and shortens cold-start time from 4-6 hours to under 1 hour. The PETG plate line shares the same basic process as the PET plate line but omits the crystallization and drying front-end.

How does PETG plate compare to GPPS and ABS? +

PETG plate occupies a unique performance intersection between GPPS and ABS. PETG offers better impact resistance than GPPS (Izod notched 80-100 J/m vs 15-20 J/m for GPPS), meaning PETG plate does not shatter or crack when dropped. PETG offers better optical clarity than ABS (light transmission ≥90% vs opaque for ABS). PETG also offers superior thermoformability at lower temperatures (60-80°C) compared to both GPPS (100-130°C) and ABS (120-140°C), enabling faster thermoforming cycles and better detail reproduction for deep-draw applications.

What thickness and width range can the PETG plate line produce? +

The line produces PETG plate from 1.0 to 12.0 mm thickness with plate width from 600 to 1,200 mm. Output capacity ranges from 250 to 500 kg/h depending on screw configuration, material grade, plate thickness, and width. Thickness tolerance is ±2% with the optional online thickness gauge. The thickness range covers thin thermoforming sheet (1-3 mm) through thick structural plate (8-12 mm for POP displays and protective barriers).

What makes PETG excellent for deep-draw thermoforming? +

PETG’s amorphous structure gives it a wide thermoforming window and excellent sag resistance — the material stretches uniformly without thinning excessively at deep-draw corners, which is the primary failure mode for GPPS and PMMA in deep-draw tooling. PETG’s optimal thermoforming temperature of 60-80°C is substantially lower than GPPS, ABS, or PMMA, meaning faster heating cycles, lower energy consumption, and better detail reproduction. The material’s impact resistance ensures deep-draw thermoformed parts maintain structural integrity through demolding and handling.

Can the PETG plate line also process standard PET? +

The line can process standard PET, but with two caveats. First, the line as configured for PETG does not include a crystallizer and desiccant dryer — these would need to be added ($80,000-150,000). Second, the screw geometry optimized for PETG’s higher melt viscosity would not achieve optimal throughput with standard PET. For converters needing maximum flexibility, Jwell recommends the PET Sheet Extrusion Line, which can process both PET and PETG through recipe changes. The PETG-dedicated plate line is the right choice when production is 70%+ PETG.