HPL Decorative Paper Printing Machinery

-- Steady & Reliable Manufacturer --

Introduction

HPL decorative paper printing machinery refers to rotogravure press lines optimized for producing the printed face sheet used in High Pressure Laminate panels. HPL is one of the most demanding surface materials in the building and interiors industry — used on kitchen countertops, laboratory benches, hospital wall cladding, retail display fixtures, and exterior facade panels — and the decorative paper at its core must survive extreme pressing conditions while delivering accurate, consistent color.

The HPL pressing process subjects the decorative paper to temperatures above 150 °C and pressures exceeding 70 bar for 20–45 minutes per cycle. This means the printed inks must be thermally stable, the base paper must be dimensionally consistent enough to register perfectly under phenolic resin impregnation, and the color must remain accurate after resin cure changes the optical properties of the paper.

Zhejiang Meige's HPL paper printing lines address each of these requirements: high-temperature-stable water-based gravure inks, precise tension control to minimize paper stretch variation, and a closed-loop color monitoring system calibrated to compensate for the optical shift introduced by phenolic impregnation.

Specification

Printing Process	Rotogravure, electromechanically engraved chrome cylinders
Web Width	1,280 mm / 1,600 mm / 2,100 mm / 2,500 mm
Color Stations	4 / 6 / 8 / 10
Print Speed	60 – 180 m/min
Register Accuracy	± 0.1 mm (ELS servo)
Substrate	Alpha-cellulose base paper 60–150 g/m² (HPL face grade)
Ink Compatibility	Water-based gravure inks, thermally stable to 160 °C post-cure
Drying System	Multi-zone impingement 80–165 °C; full ink cure verified by IR sensor
Tension Control	Closed-loop load-cell, ±1 N; critical for heavy HPL base papers
Cylinder Repeat	400 – 1,000 mm (covers large-format slab patterns)
Unwind / Rewind	Cantilever shafted, Ø up to 1,500 mm; auto-tension
Control System	Siemens S7-1500 PLC + 21" HMI; optional inline spectrophotometer
Optional Stations	Primer / ground coat inline flexo unit before print stations
Certification	CE, ISO 9001:2015

Application

Kitchen and bathroom countertop laminates — wood grain, stone, and solid-color HPL face papers for horizontal surface applications requiring high abrasion and moisture resistance.
Wall cladding and furniture panels — large-format wood and stone pattern printing for vertical surface HPL used in commercial interiors, retail fit-out, and healthcare facilities.
Exterior HPL facade panels — UV-stable ink formulations for printed HPL used in building exterior cladding systems (CGI / compact grade).
Laboratory and industrial work surfaces — solid color and texture-pattern HPL face papers for chemical-resistant laboratory bench tops.
Locker and cubicle panels — high-durability printed HPL for school lockers, toilet cubicles, and changing room partitions.
Transport interior surfaces — lightweight HPL panels for train, bus, and marine interior cladding requiring printed décor papers with fire-retardant resin compatibility.

Advantages

Post-impregnation color compensation — our commissioning process includes a resin-cure color shift calibration step, adjusting cylinder depths and ink formulations so the final pressed HPL panel matches the design target, not just the unimpregnated paper.
Heavy-paper tension handling — HPL base papers at 120–150 g/m² are heavier than typical furniture papers; our press uses oversized load cells and high-torque servo drives sized for this weight range without compromising register accuracy.
Large-repeat cylinder support — cylinder circumferences up to 1,000 mm accommodate large-format stone slab and concrete patterns with single repeat lengths matching standard HPL panel sizes, eliminating visible seam lines.
Thermal ink stability verification — drying tunnel exit temperature monitoring confirms full ink cure before rewinding, preventing blocking (layers sticking together on the roll) that is a common problem with high-grammage HPL base papers.
Primer station option — an inline flexo primer unit ahead of the gravure stations applies a uniform ground coat, improving ink adhesion on high-porosity HPL base papers and reducing ink consumption by up to 15%.

Payment & Shipping

Payment Terms: 30% T/T deposit; 70% T/T before shipment. L/C at sight for orders ≥ USD 200,000.
Lead Time: Standard configuration 110–130 days; wide-web (2,100–2,500 mm) or 10-color: 140–160 days.
Packaging: Full VCI anti-corrosion protection; export-grade wooden crates; all precision assemblies individually foam-cushioned.
Shipping: FOB Ningbo or Shanghai. Wide-web press sections require flat-rack or open-top containers — we manage all out-of-gauge booking and documentation.
Commissioning: FAT at Zhejiang factory. 2–3 engineers on-site 18–28 days including post-impregnation color calibration trial if customer's impregnation line is available during commissioning.
Warranty: 12 months from commissioning or 18 months from B/L date.

Q: Why does HPL pressing change the color of the printed paper?
A: Phenolic or melamine resin impregnation introduces additional optical density and a slight amber shift to the paper. The degree of shift depends on resin type, pick-up percentage, and cure temperature. Our calibration process involves printing test runs, impregnating and pressing samples at the customer's facility, measuring the Delta-E shift, then adjusting cylinder engraving depths and ink formulations to pre-compensate, so the pressed panel hits the color target.

Q: What base paper grammage range does this press handle?
A: Our HPL paper press handles alpha-cellulose base papers from 60 g/m² (thin overlay face sheets) up to 150 g/m² (heavy HPL face paper for exterior facade grade). The tension system is re-profiled per grammage via recipe settings.

Q: Can the same press also produce décor paper for LPL (low pressure laminate)?
A: Yes. LPL melamine papers typically use lighter base papers (60–90 g/m²) and the same gravure process. Switching between HPL and LPL production is a recipe change, not a hardware change. Many of our customers run both product types on the same press to maximize utilization.

Q: Are exterior-grade UV-stable inks available for facade HPL production?
A: UV-stable pigment gravure ink sets are available from ink suppliers we can recommend. These inks use lightfast pigments rated to withstand multi-year exterior exposure. We advise on ink supplier selection and carry out drying tunnel calibration to ensure full cure of UV-stable formulations, which often require higher dryer temperatures than standard interior-grade inks.

Q: What is the typical production output for a 1,600 mm, 8-color HPL paper press?
A: Running at a conservative average speed of 100 m/min over a 20-hour operating day (allowing for roll changes and color changeovers), output is approximately 120,000 linear meters or 192,000 m² of 1,600 mm paper. At a production efficiency of 85%, annual output at three-shift operation exceeds 60 million m².

since 1999

Zhejiang Meige Machinery Co., Ltd.

Zhejiang Meige Machinery Co., Ltd., founded in 1999 and located in Lin'an District. Hangzhou City, Zhejiang Province, is a national high-tech enterprise specializing in the research and development of intelligent and automated series gravure printing machines and the production and sales of prepress and post-press supporting equipment. After more than 20 years of development and technology accumulation, a variety of series of products have been formed. As China HPL Decorative Paper Printing Machinery Manufacturers and HPL Decorative Paper Printing Machinery Factory, the main products are drum decorative paper intaglio printing machine series, PVC, PP decorative film intaglio printing machine series, PVC film multi-layer non adhesive composite embossing production line, textile transfer printing paper (film) intaglio printing machine series, etc, lt is widely used in Engineered wood decorative materials, ubiquitous household industry, and textile transfer printing industry. Megger Machinery has a market share of about 60% in domestic Engineered wood decorative paper printing presses; The market share of PVC and Pp decorative film printing composite production lines is about 50%, The textile transfer printing paper (film) equipment is leading domestically, and the products have been exported to international markets such as Europe. America, the Middle East, and Southeast Asia.
The company currently has a large number of professional and technical research teams, including doctors, experts, professors, senior engineers, and school enter-prise cooperation. The company leads the development of the enterprise through technological innovation, continuously improving and leading the launch of high-performance high-speed automation, intelligence, and digital control printing machine products, as well as research on high-quality development projects for traditional industrial digitization. At the same time, the company has a complete product quality system and ERP information network material control management system, as well as a complete after-sales service system.
The company has passed the "Quality, Environment, and Occupational Health Management System Certification". Obtained more honorary titles such as the world's home furnishing award "Lingju Award", "National High Tech Enterprise", "Provincial High tech Enterprise Research and Development Center", "Provincial Science and Technology Enterprise", "Zhejiang Provincial Industrial Design Center", "Hangzhou Patent Demonstration Enterprise", "Zhejiang Provincial Specialized, Precision and New Center Enterprise", "Top 100 Chinese Home Furnishing Brands with Com-prehensive Strength", "Zhejiang Manufacturing Quality Product Logo", and so on, At the same time, it has also won three "high-tech new products in Zhejiang Province"two "the set of major technical equipment manufacturing industry in China" and more than 100 List of Chinese inventions patents, Chinese utility model patents, and Chinese design.ln addition, it has also won many provincial and municipal science and technology innovation awards and China's forestry industry Engineeredwood industry science and technology innovation awards. The company is a member of the National Printing Machinery Standardization Technical Committee and is responsible for formulating three national standards for energy efficiency evaluation of drum decorative paper, transfer printing paper gravure printing machines. printing machinery ink drying and curing devices, eight national industry standards. and two local standards for Zhejiang manufacturing as the main drafting unit.

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