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Henan Hengda Paper Co., Ltd.

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Core board paper

Parameters : Moisture

Unit : mm

Value : unbleached brown

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Professional Quality Control Industrial Paper

Engineered for high-performance industrial applications, this paper offers superior structural integrity. With over 30 years of export expertise, our product ensures high pressure resistance, exceptional stiffness, and reliable bonding strength for demanding manufacturing environments.

High Durability: Hard stiffness with strong break and wear resistance.

Superior Bonding: Stable glue absorbing ability and high bonding strength.

Water Resistance: High COBB value ensuring excellent performance in moisture.

Export Ready: Standard export seaworthy packing with proven global reliability.

Product Attributes

Packaging: Standard export seaworthy packing

Color: Unbleached brown

Quality: Professional Quality Control System

Technical Specifications

Parameter	Unit	Value
Basis weight	gsm	360-510±5%
Thickness	mm	≥0.50-0.73
Density	g/cm3	≥0.70
Ply bond	J/m2	≥200-350
Ring crush index	N.m/g	≥12-18
COBB	g/m2	400±50
Moisture	%	6±5%
Smoothness	sec	≥10
PH value	-	8

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