Detailed Project Report (DPR) on stone paper manufacturing

Detailed Project Report (DPR) on stone paper manufacturing
Code #3975
Original
India
Countries
Translation provided by Google AI

Industry Overview

Stone paper, also known as rock paper, mineral paper, rich mineral paper, or paper from waste marble, is a paper-like material manufactured primarily from calcium carbonate rather than plant fibers. Calcium carbonate can be sourced from limestone, waste rock, marble, and tiles and is combined with a polymer binder, commonly high-density polyethylene (HDPE), to form a durable synthetic paper.

Stone paper is designed to combine the writing and printing characteristics of conventional paper with selected properties associated with plastic materials. It is strong, tear-resistant, water-resistant, moisture-resistant, oil-resistant, and suitable for applications including stationery, books, magazines, posters, labels, packaging, bags, trays, containers, and industrial products. Its resistance to water also allows it to remain writable in wet conditions.

The technology was developed by Lung Meng Tech Co. of Taiwan during the late 1990s and has subsequently been commercialized under various trade names. The manufacturing process generally involves finely powdered calcium carbonate and polymeric materials processed through extrusion, pelletizing, film forming, coating, and finishing operations. Unlike conventional paper manufacturing, the process does not rely on wood pulp and is described as requiring little or no process water, reducing the need for conventional water-treatment infrastructure. Stone paper is therefore positioned as an alternative material for applications traditionally served by wood-pulp paper and certain plastic products.

Cost Estimation

Particulars Cost / Value
Plant Capacity 8.5 Ton/Day
Land & Building (2000 sq.mt.) Rs. 1.28 Cr
Plant & Machinery Rs. 16.72 Cr
Working Capital for 2 Months Rs. 1.54 Cr
Total Capital Investment Rs. 20.02 Cr
Rate of Return 21%
Break Even Point 62%

Content Index

  • INTRODUCTION
  • PROPERTIES OF STONE PAPER
  • CLASS OF STONE PAPER
  • TABLE. SEVERAL PRODUCT VARIANTS OF S-CLASS AND R-CLASS
  • USES AND APPLICATION OF STONE PAPER
  • CHALLENGES OF STONE PAPER MARKET
  • CHARACTERISTICS OF STONE PAPER
  • TECHNICAL BENEFITS OF STONE PAPER
  • ORIGIN AND TECHNOLOGY
  • MARKET POSITION OF STONE PAPER
  • U.S. STONE PAPER MARKET REVENUE, BY APPLICATION, 2013 - 2024 (USD MILLION)
  • MARKET FORECAST OF STONE PAPER
  • PRESENT MANUFACTURE OF STONE PAPER
  • PRESENT MANUFACTURERS/SUPPLIERS OF STONE PAPER {GLOBAL}
  • ADVANTAGE AND FEATURES OF STONE PAPER (SYNTHETIC PAPER)
  • THE ADVANTAGE AND THE FEATURE
  • THE APPLICATION FIELD.
  • THE DEVELOPMENT FOREGROUND OF THE SYNTHETIC PAPER
  • MATERIAL SAFETY DATA SHEET (MSDS) OF RAW MATERIALS
  • CALCIUM CARBONATE
  • 1. PRODUCT IDENTIFICATION
  • 2. COMPOSITION/INFORMATION ON INGREDIENTS
  • 3. HAZARDS IDENTIFICATION
  • EMERGENCY OVERVIEW
  • POTENTIAL HEALTH EFFECTS
  • 4. FIRST AID MEASURES
  • 5. FIRE FIGHTING MEASURES
  • 6. ACCIDENTAL RELEASE MEASURES
  • 7. HANDLING AND STORAGE
  • 8. EXPOSURE CONTROLS/PERSONAL PROTECTION
  • PERSONAL RESPIRATORS (NIOSH APPROVED):
  • SKIN PROTECTION:
  • 9. PHYSICAL AND CHEMICAL PROPERTIES
  • 10. STABILITY AND REACTIVITY
  • 11. TOXICOLOGICAL INFORMATION
  • 12. ECOLOGICAL INFORMATION
  • 13. DISPOSAL CONSIDERATIONS
  • 14. TRANSPORT INFORMATION
  • 15. REGULATORY INFORMATION
  • OVERVIEW OF STONE PAPER MANUFACTURE
  • RAW MATERIALS
  • ENVIRONMENTAL COMPARISON OF STONE PAPER
  • WATER CONSUMPTION
  • USE STONE PAPER!
  • PRODUCTION WASTE
  • USE STONE PAPER!
  • LARGE TRASH BAGS!
  • GREENHOUSE GAS EMISSION
  • MANUFACTURING PROCESS OF STONE PAPER
  • ROLLING PROCESS
  • THE FEATURE OF ROLLING PROCESS:
  • CURTAIN COATING PROCESS:
  • TWO WAY STRETCH
  • DETAILS OF STONE PAPER PROCESSING
  • FIGURE 1. LAYER SCHEMATIC PICTURE OF STONE PAPER
  • FIGURE 2. FLOW CHART OF SINGLE-LAYERED STONE PAPER MANUFACTURING PROCESS
  • REPROCESS OF RECYCLABLE STONE PAPER
  • THERE, THE FOLLOWING PROCESS STEPS ARE CARRIED OUT:
  • STONE MADE TO MANUFACTURE GREEN ENERGY PAPER
  • A STONE-MADE GREEN ENERGY PAPER, COMPRISING:
  • COMPARING TO THE TRADITIONAL PAPERS, THE STONE PAPER INCLUDES THE ADVANTAGES OF:
  • FORMULATION OF STONE PAPER
  • PROCESS FLOW DIAGRAM
  • SEQUENCES IN STONE PAPER MANUFACTURING
  • GRIND POWDER PROCESS
  • PELLETIZING PROCESS
  • BLOWN FILM PRODUCTION
  • COATING PROCESS
  • PAPER MAKING
  • CUTTING & FINISHING
  • STANDARDIZED STONE PAPER MANUFACTURING
  • STONE PAPER PRODUCTION AND MATERIAL COMPOSITION
  • TECHNICALITIES AND SPECIFICATION OF STONE PAPER PROCESSING LINE
  • THE PELLETIZING FLOWING CHART
  • THE PAPER EXTRUSION FLOWING CHART
  • STONE PAPER PRODUCT SPECIFICATION
  • MACHINE SPECIFICATION
  • I. OUTLINE
  • II. EQUIPMENT LIST
  • ENVIRONMENTAL ASPECT OF STONE PAPER
  • SUPPLIERS OF RAW MATERIALS (INDIAN)
  • SUPPLIERS OF CALCIUM CARBONATE (LIME STONE)
  • SUPPLIERS OF POLYETHYLENE RESIN
  • SUPPLIERS OF PLANT & MACHINERIES (GLOBALLY)

Appendix

  • APPENDIX – A:
  • 01. PLANT ECONOMICS
  • 02. LAND & BUILDING
  • 03. PLANT AND MACHINERY
  • 04. OTHER FIXED ASSESTS
  • 05. FIXED CAPITAL
  • 06. RAW MATERIAL
  • 07. SALARY AND WAGES
  • 08. UTILITIES AND OVERHEADS
  • 09. TOTAL WORKING CAPITAL
  • 10. TOTAL CAPITAL INVESTMENT
  • 11. COST OF PRODUCTION
  • 12. TURN OVER/ANNUM
  • 13. BREAK EVEN POINT
  • 14. RESOURCES FOR FINANCE
  • 15. INSTALMENT PAYABLE IN 5 YEARS
  • 16. DEPRECIATION CHART FOR 5 YEARS
  • 17. PROFIT ANALYSIS FOR 5 YEARS
  • 18. PROJECTED BALANCE SHEET FOR (5 YEARS)

Frequently Asked Questions

Stone paper is a synthetic paper-like material made primarily from calcium carbonate and a polymer binder. Unlike conventional paper, it does not rely on wood pulp or plant fibers as its principal raw material. Calcium carbonate may be obtained from limestone, marble, waste rock, or tiles and is processed with polymeric materials to produce a durable sheet. Stone paper is used for stationery, printing, packaging, labels, bags, posters, books, magazines, and other applications requiring water resistance and mechanical strength.

Stone paper is manufactured by processing finely powdered calcium carbonate with polymeric binders and additives through specialized equipment. The reported production sequence can include grinding, pelletizing, extrusion, blown-film production, coating, paper making, cutting, and finishing. Depending on the product specification, rolling, curtain coating, stretching, and recycling operations may also be incorporated. The process differs from conventional paper manufacturing because it is based on mineral powder and polymer processing rather than the preparation and formation of wood pulp fibers.

The principal raw material for stone paper is calcium carbonate, generally obtained from limestone or other mineral sources, together with polymeric binder materials and selected additives. The report describes formulations containing substantial proportions of calcium carbonate combined with polymer materials. One formulation specifically refers to super-fine calcium carbonate powder combined with additives to make a master batch. The exact composition can vary according to the desired grade, thickness, flexibility, strength, surface characteristics, and end-use application.

Stone paper is used across printing, stationery, packaging, labeling, and specialized industrial applications. Reported uses include office paper, commercial and cultural paper, books, magazines, leaflets, posters, bags, packaging, wallpaper, adhesives, tags, in-mould labels, plates, trays, and containers. Its resistance to water, moisture, oil, tearing, and cracking can make it suitable for applications where conventional paper may require additional protection. The report also identifies potential specialized uses in fieldwork, underwater operations, underground mining, and other demanding environments.

Stone paper offers several reported advantages, including water resistance, moisture resistance, tear resistance, oil resistance, and resistance to cracking. It does not use wood pulp as its primary raw material and its manufacturing process is described as requiring no conventional paper-making water consumption. The report also highlights the absence of bleaching, strong acid, and alkali additions in the described process. These characteristics can reduce certain resource and process requirements while providing a material that combines paper-like printability with selected properties associated with polymer-based products.

Stone paper can be reprocessed under suitable recycling systems and product specifications. The report includes a dedicated section on the reprocessing of recyclable stone paper and describes recycling as one of its environmental characteristics. Because stone paper combines mineral content with polymeric materials, recycling requirements can differ from those of conventional fiber-based paper. Appropriate collection, sorting, processing, and end-of-life systems are therefore important when evaluating its overall environmental performance and recyclability for a particular application.

A stone paper manufacturing plant generally requires equipment for mineral powder preparation, compounding, pelletizing, extrusion, film or sheet formation, coating, stretching, cutting, and finishing. The report specifically covers grinding powder processing, pelletizing, blown-film production, coating, paper making, and cutting and finishing, along with technical specifications for the processing line. Depending on the selected manufacturing route and product grade, the equipment configuration can vary considerably, so machinery selection should be based on the required capacity, product dimensions, formulation, surface properties, and end-use requirements.

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