Home > Products > Paper & Film Cores > Requirements & Specifications

Paper & Film Cores

Paper Core for winding of Paper, Polyester Film, Metallic Film, CRCA sheet etc

  • Paper Cores
  • Poly Cores

Biltube Paper Cores are high on strength, performance and dimensional stability. These cores are manufactured in state of the art plants to ensure global standards.

  • D3fit
  • D6firm

Series for 3 inch Dia Core

Applications

Functional performance of 3" winding cores are delivered by Team Biltube which has over 20 years of experience in this field. These precision cores with high strength and dimensional stability for the paper and packaging industries are key components of Biltube's products portfolio.

Salient features

  • Dimensional stability
  • Customised developed adhesive for hardness of paper core
  • Special bottom paper for chuck holding
  • Straightness throughout the length
  • Reusability
  • Specialised drying technology to prevent shrinkage
  • Pre-cut as per customer requirements
  • Defect free unwinding

Standard Product Range

  Min Max
ID 3"  
Thickness 3 mm 20 mm
Length 500 mm 10000 mm
Strength Customised for larger diameter rolls
Moisture 6% 8%
Edges Smooth edges
Colour As required
Application Winding of packaging papers, hygiene papers, laminated papers, coated and impregnated papers, decoration and technical papers, carpet and textile fabrics.

Series for 6 inch Dia Core

Applications

Heavy-duty cores for paper and packaging industries; free of bending and ovality. For wider web width, faster press speeds and larger diameter rolls. Biltube takes pride in customising these series of cores for the paper industry.

Salient features

  • Perfectly straight even at lengths of up to 10 meters
  • Smooth top layer for tight and scratch free winding
  • Controlled moisture for shrink free performance
  • Unique and absolute packing for damage free transportation and storage
  • Bottom layer hardness to resist chuck pressure at high-speed winding
  • Full length unwinding of roll
  • Reusablity

Standard Product Range

  Min Max
ID 6"  
Thickness 3 mm 20 mm
Length 500 mm 10000 mm
Strength Customised to withstand higher loads at winding
Moisture 6% 8%
Edges Smooth edges
Colour As required
Application Winding of packaging papers, hygiene papers, laminated papers, coated and impregnated papers, decoration and technical papers and gravure jumbo reels.

 

Biltube Poly core is high on strength, performance and dimensional stability. Exhaustive quality systems are in place to ensure global standards.

  • OPPsmooth
  • PETsatin

Series for Thin BOPP Film Cores

Applications

A Biltube research team development that delivers high strength and cost effective, smooth winding for OPP films.

Salient features

  • Smooth top layer to ensure scratch free winding of OPP film
  • Burr free edge to avoid breakage of film
  • Ensures complete unwinding of film
  • Cost effective seamless core
  • Free of ovality and bendness for wrinkle free winding
  • Free from dents, damages, scratches and spiral marks

Standard Product Range

  Min Max
ID 50 mm 200 mm
Thickness 3.8 mm 15 mm
Length 515 mm 10000 mm
Moisture 6% 8%
Straightness deviation Average 0.75 mm/m
Roundness deviation Average 0.50 mm/m
Waviness deviation Average 100 µm
Roughness Average 1.50 µm

Series for PET Film Cores

Applications

Biltube PET satin core is our workhorse formulated for the most sensitive films. Used for all kinds of films and foils of less than 10 microns thickness, for wrinkle-free winding and delivery management.

Salient features

  • Dimensional stability for automated core handling equipment
  • Ovality free to prevent film stretching and web break
  • Straightness across the length for uniform winding tension and smooth unwinding
  • Best end-cut which is free of burrs, dust, and sealed for cleanliness
  • Controlled moisture to prevent core shrinkage and loose winding
  • Dust free glass like surface finish to provide 100% unwinding
  • Waviness free core surface
  • Specially designed packing for core protection
  • Free from dents, damages, scratches and spiral marks

Standard Product Range

  Min Max
ID 3" 6"
Thickness 10 mm 15 mm
Length   3000mm
Straightness Deviation Average 0.5 mm/m
Roundness Deviation Average 0.3 mm/m
Waviness Deviation Average 60 µm
Roughness Average 1.35 µm
Moisture 6% 8%

 

Packaging Sustainability
Research and Development
Global Reach