Description

Admil PROSIL 40 is a premium one part moisture curing, 100% calcium carbonate filled, high performance neutral cure silicone sealant(oxime) designed to give superior adhesion and durability in a wide range of materials and applications.

It will bond to form a strong weatherproof seal on most common building materials such as: glass, cement, concrete, ceramic, steel, aluminium, brick, concrete, most plastics etc. Weathering and UV resistance is excellent and its superior physical properties are retained over many years exposure.

ADVANTAGES

PROSIL 40 has excellent adhesion properties superior to most other silicones and will adhere to most common building materials including: glass, aluminium, concrete, plastics, wood, masonry and most powder coated surfaces.

10minute skin time
5-10minute skin time
Matt Colours
Movement capability ±25%
Superior Adhesion
Will not corrode metals

APPLICATIONS

PROSIL 40 is ideal in glazing applications where a matt finish is required:

General purpose glazing, colonial bars, and structural butt joints
Suitable for expansion joints and saw cuts in concrete floors and blockwork
Weather – sealing of high rise buildings, Installation of solar panels
It is also often used in truck and caravan assembly due to its excellent adhesion

TECHNICAL

SPECIFICATIONS
Cure type	Neutral Cure (100%)
Skin Time	5-10 mins
Cure Time	2mm per day
Movement	+/- 25%
Hardness	48 Shore A
Operating Temp	-40°C to 140°C
Uses	Internal / External

BS 5889 building approved

SUBSTRATES

PROSIL 40 will have excellent adhesion to many substrates. Admil Adhesives always recommends to conduct “Pre-Adhesion” Tests on substrates to ensure adequate bond is achieved.

Glass
Aluminium
Galvanised steel
Concrete
Wood
Ceramics plastics
Most powder coatings
Fibreglass
Steel
Stainless steel
Zincalume
Floor Joints
Blockwork

SURFACE PREPARATION

All surfaces must be clean, dry, sound, and free from dust, oil, rust, or any other contamination.

Metals should be cleaned with a non-oily solvent soaked clean cloth, such as PROSIL CLEANER 1. Excess solvent should be wiped from the surface with a clean dry cloth. When used on remedial work all existing sealant must be removed. In some instances further cleaning or etching maybe required.