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Moisture Proof Layer Mastic Vapor Barrier Material For Cold Insulated Piping

Brand Name:	JSHESOL
MOQ:	20 Cubic Meters
Price:	Negotiable
Payment Terms:	EXW/FOB/CIF
Supply Ability:	According to products

Detail Information

Product Description

Detail Information

Place of Origin:

Changzhou, Jiangsu,China

Certification:

SGS

Application:

HVAC, Plumbing, Industrial Pipes

Manufacturer:

Various Manufacturers Available

Uv Resistance:

Yes

Color:

White, Black, Gray

Chemical Resistance:

Yes

Installation Method:

Self-adhesive, Adhesive Tape, Mechanical Fasteners

Temperature Range:

-40°F To 250°F

Size:

Various Sizes Available

Sound Absorption:

NRC 0.75

Water Vapor Permeability:

0.02 Perm-in

Material:

Fiberglass, Polyurethane, Rubber, Foam, Mineral Wool

Fire Rating:

ASTM E84 Class A

Certifications:

ASTM, UL, FM, Greenguard

Thickness:

1/2 Inch, 1 Inch, 2 Inch, 3 Inch

Corrosion Resistance:

Yes

Packaging Details:

Carton packaging/Wooden case packaging/according to the requirements

Highlight:

Moisture Proof Layer Mastic

Mastic For Cold Insulated Piping

Moisture Proof Pipe Insulation Mastic

Product Description

Moisture Proof Layer Mastic Vapor Barrier Material For Cold Insulated Piping

Mastic is a moisture-proof and vapor barrier material made from bitumen as the base material, added with mineral fillers and flame retardants. This waterproof flame retardant mastic possesses characteristics such as air tightness, waterproofing, frost resistance, corrosion resistance, resistance to aging and cracking, and flame retardancy after cold construction at room temperature.

Moisture-proof mastic plays a crucial role in pipeline insulation projects, especially in cryogenic pipeline insulation for LNG and other applications where it demonstrates unique advantages.

Material Properties Analysis

Basic Composition and Structure

Mastic is a composite material mainly composed of asphalt or polymer resin as the base material, with added mineral fillers, flame retardants, plasticizers, and thickeners. Cold insulation mastic is typically a black paste with higher density and lower operating temperature range.

Physical Properties

Density: 1.5-1.7 g/cm³ (cold insulation type)
Application Thickness: 3-6 mm
Drying Time: 48-60 hours (finger-drying ~1 hour)
Water Absorption: ≤1.0% (cold insulation type)
Environmental Adaptability: -40℃ to +60℃

Chemical Properties

Flame Retardancy: B2 grade, oxygen index >30%
Temperature Range: -40℃ to 90℃ (special formulas to -170℃)
Adhesion Strength: 1.5-2.5 kg/cm² at 20℃
Corrosion Resistance: High-performance corrosion inhibitors

Technical Parameters

Parameter	Cold Insulation Mastic	Thermal Insulation Mastic
Appearance	Black Paste	Blue/White Paste
Density	1.5-1.7g/cm³	1.1-1.3g/cm³
Operating Temperature	-40℃ to 90℃ (special to -170℃)	-25℃ to 120℃
Water Absorption	≤1.0%	≤2.0%
Application Thickness	3-6mm	3mm
Flame Retardancy	B2 grade, OI >30%	-

Application and Construction Techniques

Application Methods

Mastic is used as a moisture barrier in pipeline insulation projects, typically combined with insulation materials like foam glass, polyurethane, and rigid microporous calcium silicate.

Construction Process

Substrate treatment: Clean surface, remove dust/oil, ensure ≤8% moisture content
Material Configuration: Heat to 180-190℃ for hot application
Layered Coating: First layer (1-3mm), then reinforcing material, second layer (2-3mm)
Special Area Treatment: Use scraper for complex areas like valves/flanges

Application rate: 6-8 kg/m² (including losses). Ensure good ventilation during construction and proper storage of unused material.

Performance Comparison with Other Materials

Material	Air Tightness	Low Temp Resistance	Lifespan
Mastic	Excellent (≤1% absorption)	-40℃ (special -170℃)	25 years
Aluminum Foil/PAP	Good	-20℃	10-15 years
Polyurethane Membrane	Excellent	-20℃ (special -180℃)	10-15 years

Selection Recommendations

For LNG/cryogenic pipelines (-162℃): Mastic is preferred due to its ultra-low temperature capability and excellent airtightness.

For coastal high-corrosion environments: Mastic with high-performance corrosion inhibitors is recommended.

Tags:

Pipe Insulation Materials

Pipe Insulation Supports

Pipe Insulation Auxiliary Materials

Building Insulation Materials

Polyisocyanurate Foam Pipe Insulation

Hard Polyurethane

Foam Glass Insulation

Sealant Putty

PIR Insulated Pipe Supports

products details

Moisture Proof Layer Mastic Vapor Barrier Material For Cold Insulated Piping

Moisture Proof Layer Mastic Vapor Barrier Material For Cold Insulated Piping

Moisture Proof Layer Mastic

Mastic For Cold Insulated Piping

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