Name: 450gsm C1S Coated Grey Back Duplex Board Jumbo Roll 1300mm Width For Shoe Box Carton Packaging Printing
Brand: Sunxiang Industry (International) Limited
SKU: SUNXIANG01
Availability: InStock

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450gsm C1S Coated Grey Back Duplex Board Jumbo Roll 1300mm Width For Shoe Box Carton Packaging Printing

Product Details:

Place of Origin:	China
Brand Name:	Sunxiang
Certification:	FSC ISO SGS
Model Number:	SUNXIANG01

Payment & Shipping Terms:

Minimum Order Quantity:	1TON
Price:	Negotiation
Packaging Details:	Sheet & roll packing
Delivery Time:	7days
Payment Terms:	T/T,Western Union
Supply Ability:	6000tons

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Detailed Product Description

Paper Type:	Clay Coated Duplex Board	Basic Grams:	200 / 230 / 250 / 300 / 350 / 400 / 450 Gsm
Roll Width:	1000mm, 1100mm, 1160mm, 1300mm	Coating:	C1S Grey Back Paper (CCNB)
Style:	Sheets Or Rolls	Usage:	Packaging, Printing, Cartons
Material Pulp:	100% Recycled Wood Pulp	Printing Suitability:	Offset Printing
Highlight:	450gsm C1S coated grey back duplex board , 1300mm width duplex board jumbo roll , duplex board for shoe box packaging

450gsm C1S Coated Grey Back Duplex Board Jumbo Roll

Core Product Specifications

Specification Item	Full Details
Official Product Name	Single Coated Grey Back Duplex Board (C1S Grey Back Paper) Jumbo Roll
Alternative Names	Clay Coated Duplex Board, Grey Back Clay Coated Board, Grey Chipboard
Available Grammage Range	200 / 230 / 250 / 300 / 350 / 400 / 450 gsm Custom laminated board over 450gsm supported
Standard Jumbo Roll Width	1000mm, 1100mm, 1160mm, 1300mm, customizable width available
Standard Sheet Sizes	61×86cm, 70×100cm, 57×85cm, 60×90cm, custom sheet sizes acceptable
Raw Material	100% Recycled Wood Pulp
Core Advantages	Excellent folding endurance, moderate water resistance, smooth coated top for high-definition printing
Loading Capacity	20GP container: 18-20 tons 40GP container: 25-26 tons
Sample Service	Free A4 test samples; large sheets / jumbo roll samples on request

Complete Technical Performance Data

Performance Index	Unit	Tolerance / Standard Value
Grammage Tolerance	g/m²	Matched per weight grade: 193-210 / 220-241 / 242-260 / 260-282 / 290-315 / 385-415 / 428-465
Caliper Thickness	μm	230±15 ~ 550±15 (varies by gsm)
Moisture Content	%	6.5 ~ 8.0 ±1.5
Taber Stiffness (SD / MD)	≥ g.cm	13/26 up to 85/170 (450gsm)
Top COBB Water Absorption	g/m²	≤ 50
Back COBB Water Absorption	g/m²	≤ 300
Grammage Thickness Deviation	%	≤ 3.5
Surface Roughness	μm	≤ 2.0
Top Brightness	%	≥ 76
Cross-Direction Folding Times	times	≥ 12
75° Surface Gloss	%	≥ 35
Printing Gloss After Ink	%	≥ 80
Ply Bonding Strength	J/m²	≥ 130
Blister Speed	m/s	≥ 0.9
K&N Ink Absorption Value	%	23 ± 5
Top Surface Color Value	L≥86.5; A=0.0±0.5; B=-4.5±0.5
Allowable Dirt Count ≥0.3mm²	per m²	≤ 40
Allowable Dirt Count ≥1.5mm²	per m²	≤ 40
Printing Repeat Test Cycles	times	≥ 2

Main Applications

Retail packaging boxes: shoe boxes, coffee gift boxes, tissue paper boxes, food packaging cartons
Printed stationery: wall calendars, notebook covers, hardcover book jackets
Garment accessories: clothing templates, shoe insole mold making
Custom printed cartons, luxury product outer packaging, die-cut finished packaging blanks

Standard Packaging Solutions

Flat Sheet Packing: Wrapped with waterproof kraft paper + plastic film, loaded on solid wooden pallets, four-corner protective angles added for anti-collision during transit.
Jumbo Roll Packing: Outer layer: waterproof kraft paper + PE film for moisture-proof storage; loaded on wooden pallets or pallet-free as customer demands.

Factory Introduction

Founded in 2004, our factory owns over 22 years professional manufacturing experience in various paperboards, including C1S grey back duplex board.

Monthly production capacity up to 10,000 tons; customized size lead time only 7-10 working days
Equipped with two sets of 4-layer laminating machines and automatic die-cutting machines in Dongguan factory, support one-stop die-cutting processing for finished packaging blanks with clean cutting edges, ready for direct final product assembly
Multiple board grades to match different printing and packaging usage scenarios
Main export markets: Southeast Asia, Middle East, South America, Africa, South Korea, Vietnam, Malaysia, India, Ghana, Argentina, Turkey
Professional sales team & full after-sales service, stable supply for global packaging distributors, printing factories and box manufacturers

Full Product Range

Frequently Asked Questions

Q1: Can I get free test samples?

A: Free A4 size samples are available, customers only bear the freight cost. You may provide your own courier account for delivery; we also offer our cooperative shipping channels. Large size sheets (70×100cm) or small jumbo roll samples can be arranged upon inquiry with our sales manager.

Q2: What is your normal production lead time after deposit?

A: 10-15 working days after receiving your deposit. We will prioritize customized orders with special width, grammage or lamination requirements to meet your schedule.

Q3: What payment terms do you accept?

A: Main payment term: T/T wire transfer; 30% deposit before mass production, full balance paid before container loading. Small trial orders support Western Union payment.

Product Tags

grey back duplex board jumbo roll 450gsm C1S coated duplex cardboard grey back clay coated board for carton packaging printing duplex board jumbo roll shoe box packaging duplex paper custom width duplex board roll recycled pulp grey chipboard

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Contact Person: Mary

Tel: +8619902632027