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Rigid Polyurethane Foam


ECOFIL 40
All Water Blown Foam System

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Product Description

Mix Ratio 1 / 1.5 ( 40 / 60 ) : Resin / Isocyanate [by weight].
Mix Ratio by Volume = 40 / 54 : Resin / Isocyanate.

ECOFIL 40 is a two component, all water blown, polyurethane rigid foam system. At typical moulded densities of 40 to 50 Kg/m³, the Ecofil 40 system produces a fine celled foam with low friability and good adhesion to substrates.

Approvals

ECOFIL 40 Buoyancy foams have been tested and evaluated for use in life saving appliances according to the International Convention For Safety At Sea “SOLAS” chapter III & International Maritime Organisation ( IMO ). This certification was issued by Lloyd’s Registered Shipping on behalf of the Maritime Safety Agency ( MSA ) and Type Approval on behalf of the UK Government Department of Transport ( DOT ).

IMO Resolution A 689 (17)
IMO Resolution MSC 81 (70) Part 1. (Copies available on request).

Equipment

Process through suitable dispense machinery to produce polyurethane foam for use in free rise, pour - in - place, or moulding applications. The machine should be capable of maintaining the mix ratio at ± 2% accuracy and temperature at 20-25ºC. Consult Isothane technical Staff for machine manufacturer recommendations.

Component Description

ECOFIL 40 Resin component is a fully formulated liquid mixture. It should be stored in sealed tanks or drums and heated to 20ºC prior to use. Viscosity @ 20ºC = 1000cps. Specific Gravity @ 20ºC = 1.11.

ECOFIL 40 Iso is a liquid mixture containing crude Diphenyl – methane – diisocyanate. It should be stored in sealed tanks or drums and heated to 20ºC prior to use. Viscosity @ 20ºC = 325 cps. Specific Gravity @ 20ºC = 1.23.

Typical Properties

ECOFIL 40 when processed through suitable foam machinery gives a product of nominal overall density: 40 to 50 Kg/m³.

Typical Laboratory Cup Test Results @ 20ºC (40 parts Resin / 60 Parts Isocyanate by weight)

Cream Time 30 Seconds
Rise Time 250 Seconds
Free Density 38 kg/m³

Typical Physical Properties of Ecofil 40

Core Density 36 kg / m³ BS 4370
Compressive strength -    
A. Parallel to Rise Direction 240 KN / m² BS4370
B. Perpendicular to Rise 180 Kn / m² BS4370
Water Absorption @ 1.5m /    
head 7 days (weight absorbed/ total surface area) 0.342 kg / m² IMO STD
Buoyancy 958 kg / m³  
Tensile Strength 200 KN / m² BS4370
Dimensional Stability Maximum    
% Linear Change    
24Hr @ 100º C -2.5% BS4370
24Hr @ -20º C -0.05% BS4370
Closed Cell Content 94% BS4370
Thermal Conductivity @ 23º C 0.030 W / mº C ( aged ) ASTM C-518
(Anacon)    
Extent if Burn Characteristics* < 125 mm BS4735
 
* Note. This is an indicative small-scale laboratory fire test and not intended to be used to evaluate the potential fire hazard of a material composite when used in situ.

Storage, Handling and Personal Protection

The recommendations in our Safety Data Sheet for this product must be followed at all times. More general information is included in our publication “A Guide to the Safe Handling of Polyurethane Chemicals” and in the following Technical Data Sheets which are available on request:-

  • Fire safety when Storing, Handling and Installing Polyurethane Foam.
  • Decontamination of Isocyanates using Isothane Decontaminant.