Name: Waterproof Backing Board
SKU: 0

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Waterproof Backing Board

Waterproof, durable, and moisture-resistant core board for interior & exterior applications. Ideal for tiles, panels, and wall substrates.

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Product Parameters

Core Material	High-Strength XPS Extruded Board
Surface Material	Modified Polymeric Mortar &Alkali-resistant Fiberglass Mesh
Thickness of XPS Composite Board	10/12/20/30/40/50mm,or customized
Size of XPS Composite Board	6002500mm/12202440mm(L*W),or customized
Color	Yellow,White,or customized

XPS Core Material Specifications
Density(kg/m³)	≥35
Fire Rating	Not less than B1 Grade
Compressive strength(deformation 10%)kPa	≥350
Thermal conductivity(averagetemperature 25℃)W/(m.K)	≤0.030
Water absorption(mmersionin water 96h)%	≤1.0
Water vapor transmission coefficient ng/(Pa.m.s)	≤3.0
Dimensional stability (70±2℃ 48h)%	≤2.0
Foaming agent content(%)	Don't use HCFC blowing agent
Flame retardant type mg/kg	Without Hexabromocyclododecane
Smoke toxicity grade	Achievement of para-safety level 1ZA,Grade

XPS Board Specifications
Surface water absorption g/m²	≤200
Impermeability	No penetration from the inside of
Impact resistance,times	≥10
Moisture deformation %	≤0.07
Shear strength,kPa	≥250
nterlayer bond strength,MPa	≥0.15 Core Damage
Flexural load,N	Not less than self weight
Free formaldehyde release	≤0.025
Total volatile organc compound release mg/(m²h)	≤1.000
Weighted Normaized Impact Sound Pressure Class dB	≤55
Antimicrobial property	≥90%
Mildew resistance	No Mildew tested (0 Grade or 1 Grade)