Name: Bulk Expanded Perlite For Board Insulation Roof System
Brand: Ningshu
Availability: InStock

Product Details

Bulk Expanded Perlite For Board Insulation Roof System

Product Description

What is Perlite ?

Perlite is not a trade name but a generic term for naturally occurring siliceous rock. The distinguishing feature which sets Perlite apart from other volcanic glasses is that when heated to a suitable point in its softening range, it expands from four to twenty times its original volume.

Perlite Size: Powder: 80-120mesh, 100mesh, 150mesh, 200mesh,etc
Granular: 1-3mm, 2-4mm,3-6mm,4-8mm or also customized size as 1-6mm, 1-8mm etc.

Expanded Perlite Powder

Expanded Perlite Granular

Specification

Perlite

1. Characters:

Inert, neutral PH and incombustible
Can be sterilised for re-use by heat ,flame or steam
Provides strong capillary lift
High surface area for moisture be an option And nutrient absorption
Relatively high compression strength with dark peat or sand In all directions due to cellular structure
High surface area for moisture be an option And nutrient absorption
High air holding capacity etc.

2. Chemical composition

Item

SiO2

AL2O3

Na2O

K2O

Fe2O3

MgO

CaO

Content

(%)

70-75%

12-16%

2.5-4.0%

1.0-3.0%

0.15-1.5%

0.2-0.5%

0.3-1.8%

Application

Bulk Expanded Perlite For Perlite Board Insulation Roof System

In reroofing as a base for a variety of membranes installed over existing roof systems.
As an overlay board where an existing roof insulation is still functioning and could retained.
Where a tear-off would create unwarranted risks to operations or materials in the building.
To separate a new membrane from a rough or irregular substrate.
Perlite Board roof insulation is suitable for use under built-up, modified bitumen and some single ply roofing systems etc.

Packaging & Shipping

Perlite

Packing: 100L/1000L/1500L, palletized packing or as customer's request.