PURcast HE
HYDRO-EXPANSIVE
POLYURETHANE RESIN
SPECTON CONSTRUCTION PRODUCTS LTD.
T E C H N I C A L D ATA
SPECTON PURcast HE RECOMMENDED FOR FEATURES / BENEFITS
Producing cast-in-place waterstops Safe 鈥?
A special purpose two-component
and filling injectable tubing systems in: 100% solids and harmless to the
polyurethane injection resin designed
environment.
鈥? Parking Garages
for constructing remedial waterstops and
Adjustable Accelerator Dosage 鈥?
鈥? Processing Plants
filling of prefabricated injection tubes.
Controlling the accelerator dosage
鈥? Industrial, Commercial and
PURcast HE cures to form a flexible
allows the applicator to react to a
Residential Poured Concrete
Hydro-Expansive elastomeric polymer variety of changing site conditions.
Foundations
Accelerator is optional when using
that has the capacity to swell after curing.
鈥? Hydro Dams and Powerhouses
PURcast HE.
Subsequent contact with water causes
鈥? Waste Water Treatment Plants
Stable 鈥?
the hydrophilic material to swell or
鈥? Canals
Cured elastomer withstands thermal
expand up to between 40% to 100%, in a
鈥? Tunnels (Subways and Highways) expansion/contraction, wet/dry cycles,
controlled and stable manner. PURcast HE
freeze/thaw cycles and crack
鈥? Underground Utility Vaults.
is compatible with a variety of parking movement without degradation.
deck and waterproofing membranes.
Chemically Resistant 鈥?
Excellent resistance to fungi, gases
and chemicals typically found in soil
COMPOSITION / CHARACTERISTICS and sewer effluent. Resistant against
biological attack.
SPECTON PURcast HE 鈥? A Component
Proven Track Record 鈥?
Appearance Yellow Pale Liquid
PURcast HE has been successfully
Viscosity at 25藲C ASTMD-4878-98 950 cps 卤 50 used for over 10 years in North America
and remains the product of choice by
Relative Density at 25藲C ASTMD-789-98 1.050 卤 0.005
engineers, owners and specialty sewer
Flashpoint ASTMD-1310-86 156藲C restoration contractors.
Applicator Friendly 鈥?
SPECTON PURcast HE 鈥? B Component No unpleasant odors, and PURcast HE
can be injected using single or plural
Appearance Yellow Liquid
component injection equipment.
Viscosity at 25藲C ASTMD-4878-98 25 cps 卤 20
Relative Density at 25藲C ASTMD-789-98 1.020 卤 0.005
Flashpoint ASTMD-1310-86 180藲C
SPECTON PURcast HE 鈥? Mixture Uncured (mixing ratio-volume 7:1)
Viscosity at 25藲C ASTMD-4878-98 500 cps 卤 50
Pot Life at 20藲C approx. 25 min
SPECTON PURcast HE 鈥? Mixture Cured
Shore A Hardness ASTMD-2240-00 卤 30 Shore A
Elongation ASTMD-1623-78 50%
PURcast HE
HYDRO-EXPANSIVE
POLYURETHANE RESIN
MIXING AND HANDLING SAFETY PRECAUTIONS PACKAGING
鈥? Avoid contact with skin or eyes. Specton PURcast HE
1 Wear rubber gloves and safety
A Component 鈥? 20 Kg PAILS
鈥? Familiarize yourself with
glasses and/or a safety shield when
B Component 鈥? 2.6 Kg BOTTLES
the MSDS and follow safety
mixing or handling the products.
precautions indicated.
Familiarize yourself with the MSDS
鈥? Mix and apply the materials All recommendations, data and statements contained within this
guidelines and information. document are based on tests we believe to be correct, but are not to be
in a well ventilated area. construed as a warranty either expressed or implied. The user shall rely
Mix and install the materials in on his or her own tests and information to determine the suitability of
the product for the application and assumes all risk and liability resulting
a well ventilated area. 鈥? In addition to conventional from his or her use of the product. The seller鈥檚 and manufacturer鈥檚 sole
responsibility shall be to replace that portion of product that is proven
construction safety equipment, to be defective. Neither the seller nor the manufacturer shall be liable
2 Using clean and dry graduated to the buyer or any third person for any injury, loss or damage directly
wear rubber gloves and or indirectly resulting from the use or inability to use the product.
measuring equipment, measure out a safety visor.
A and B components precisely. Add 7
volumes of PURcast HE A component
to1volume of PURcast HE B component.
3 Mix the A and B components
thoroughly until a homogeneous
mixture has been obtained. When
using single component injection
equipment, mix small batches of
PURcast HE at a time to minimize the
chances of the mixture flash setting.
The pot life can be estimated to be
approximately 25 minutes at 20藲C.
We always recommend that a small
cup test be performed on site to
determine a more accurate pot life.
4 Install or inject the resin mixture
PLEASE CONTACT US
using a single or plural component
FOR ADVICE AND
pump.
PRODUCT INFORMATION
5 Clean the injection pump with
Specton Technical Representatives
Specton Pump Flush as required.
are available to assist you with specific
APPLICATION guidelines for your project and product
requirements. We can be reached at:
Contact a Specton Technical
Representative for specific application SPECTON CONSTRUCTION PRODUCTS LTD.
guidelines for your injection project. 12 WALLACE STREET, ACTON, ONTARIO
CANADA L7J 2V6
STORAGE TEL: 519-853-9118
Specton polyurethane resins and 1-866-SPECTON (773-2866)
accelerators are moisture sensitive and
FAX: 519-853-1732
should be stored in their unopened
EMAIL: info@specton.com
original packages in dry conditions at
temperatures below 24藲C (75藲F). WEB: www.specton.com
Do not allow the polyurethane resins
and accelerators to freeze or to be
stored in temperatures below 0藲C (32藲F).
SPECTON CONSTRUCTION PRODUCTS LTD.
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