230-450gms Duplex Paper Gray/White Paperboard

• Classification: Duplex Board
• Usage: Packing and Printing
• Size: 61*86cm,70*100cm or Customozed
• Feature: Moisture Proof
• Printing Mode: Cardboard
• Coating: Coated
• Shape: Square
• Material: Wood
• Brand: Kelai
• Surface Finish: Coated
• Printing Type: Offset Printing
• Book Cover: Hard Cover
• Moisture: 6-9%
• Smoothness: 120s
• Bulk: 0.80g/cm3
• Ink Absorption: 18-30%
• Price Terms: Fob,CNF,CFR,CIF
• Sample: for Free
• Transport Package: in Sheets or in Reels, on Pallets
• Specification: 230-450gsm
• Trademark: KeLai
• Origin: China
• HS Code: 4810920000
• Production Capacity: 60000 Tons/Month

Product Description

230-450gms Duplex Paper Gray/White Paperboard

 

1.Product Description
1) Product range: 230-450GSM available in different quality grade.

2) Size: Sheets and reels are both available, 700X100, 0mm and any special sizes available.
3) Features: Standard weight, high-standard stiffness, even thickness, coated surface, good smoothness and PPS, etc.
4) Typical applications: Widely used in packaging and printing like Shoe boxes, wine packages, cigarette middle packages, matchboxes, toothpaste boxes, cosmetics outer packaging, or whatever packaging the item may be suitable for.
5) Material: Imported waste paper and imported pulp.
6) Chemicals used: As per different requirement for said article.


2.Technical Specifications:

TECHNICAL DATA FOR DUPLEX BOARD WITH GREY BACK
Item		Unit	Test Method	Grade AA	Grade A
Basis Weight		G/M^2	ISO 536:1995	230           250                300           350 ±  3% 400           450
Density	≤300 G/M^2	G/M^3	ISO 534:1998	0.82	0.83
	>300 G/M2			0.80	0.81
Brightness  (face)	≥	%	ISO2470:1999	94.0	92.0
Smoothness	≥	s	ISO5627:1995	200.0	150.0
PPS Roughness	≤	μm	ISO8791-4:1992	1.80	2.00
Printing Gloss	≥	%	GB/T 12032	90.0	88.0
Oil Absorbance (K&N Value)		%	GB/T 12911	15~28
Resistance to picking ( Middle Viscosity) ≥		m/s	ISO 3783:1980	1.50	1.40
Cobb Water absorptiveness	face    ≤	G/M^2	ISO 535:1991	50
	back    ≤			120
Stiffness CD ≥	230 G/M2	mN·m	ISO2493:1992	2.50	2.30
	250 G/M2			3.20	3.00
	300 G/M2			5.40	5.20
	350 G/M2			7.90	7.60
	400 G/M2			11.00	10.60
	450 G/M2			15.20	14.50
Dust (Spot) ≤	0.2~1.0mm^2	each/m^2	GB/T 1541	10	12
	>1.0~2.0mm^2			0	0
	>2.0mm^2			0	0
Moisture	≤300 G/M^2	%	ISO 287:1991	7.0±1.0
	>300 G/M2			7.5±1.0
*Test conditions: ISO 554 - 1976 (23 ± 1 °C / 50 ± 2 %)
*MD= Machine Direction CD= Cross Direction

3.FAQ
1) What is your terms of payment ? 
     T/T 50% deposit and the balance against copy of B/L or L/C at sight.
  2) What is your terms of delivery ? 
      FOB , CNF,CFR , CIF 
  3) How about your delivery time ? 
     Generally it will take 21 days after receiving your advance payment . the specific delivery time depends on the items and the quantity of your order . 
   4) Can you produce according  to the samples ? 
        Yes , we can produce by your samples or technical drawings .
   5) What is your sample policy ? 
       We can supply the sample if we have ready parts in stock, but the customers have to pay the courier cost .
  6)  Do you test all your goods before delivery ? 
      Yes , we have 100% test before delivery . 
  7) How do you make our business long-term and good relationship ? 
      (1)We keep good quality and competitive price to ensure our customers benefit .
      (2)we respect every customer as our friend and we sincerely do business and make friends with them .