C13 CC950_ds

Chem-Calk 950
®
PRODUCT NAME
Bostik® Chem-Calk® 950—A OneComponent, Polyurethane, Elastomeric
Sealant; Pourable; Traffic Grade.
PRODUCT DESCRIPTION
Bostik® Chem-Calk® 950 sealant is a
one-component architectural grade
polyurethane sealant capable of
dynamic joint movement totaling
50% of original joint geometry
(+25°%). The sealant cures to a tough,
flexible rubber when exposed to
moisture present in the atmosphere.
110 minutes
4 hours
Curing Time @ 77˚F
6 days
Flow, Sag or Slump
Self-Leveling
Staining
None
Bostik Test Method
TT-S-00230C
ASTM C 679
Varies w/relative
humidity
TT-S-00230C
ASTM C 639
TT-S-00230C
ASTM C 510
* Values above are not intended to be used in specification preparation.
TABLE 2: CHEM-CALK 950 TYPICALPROPERTIES*
(After 7 days cure at 77˚F & 50% RH)
Test Method/Note
Hardness (Shore A)
Modulus @100%
Tensile Strength
Elongation
Adhesion in Peel
48
140 psi
171 psi
500%
>30 piw
Stain & Color Change
None
ASTM D 2240
ASTM D 412
ASTM D 412
ASTM D 412
TT-S-00230C
ASTM C 794
TT-S-00230C
ASTM C 510
Ozone Resistance
Joint Movement Capability
Excellent
+25%
Basic Uses:
UV Resistance
Good
Chem-Calk ® 950 self-leveling
polyurethane sealant is designed for
sealing expansion, control and
perimeter joints in parking decks,
pavements, plazas, malls, patios,
driveways, factory and institutional
floors or any other areas subject to foot
and light vehicle traffic.
* Values above are not intended to be used in specification preparation.
is a pourable traffic grade sealant, some
tooling may be required to provide a
smooth joint surface. Read the priming
section of this data sheet for more
primer information.
Some substrates have variable surface
characteristics depending on their
source. The unpredictability of such
surface characteristics makes it
desirable to have a Pretested Adhesion
to Substrates Test (PATS Program) on
appropriate samples by Bostik’s
Technical Service Department.
TT-S-00230C
ASTM C 719
ASTM C 793-75
Application Limitations:
a)
Chem-Calk 950 sealant is not
recommended for use in sealing
submerged joints, particularly
where porous surfaces permit
water infiltration to bond surfaces.
b) Chem-Calk 950 sealant is not
recommended for exterior or
interior structural sealing below the
waterline in marine applications.
c)
Chem-Calk 950 sealant requires
atmospheric moisture to cure
properly. It should not be used in
totally confined or air free spaces.
d) Chem-Calk 950 sealant should not
August 3, 2003—Supersedes all
previously published literature
The sealant cures to form to a durable,
flexible, watertight bond with most
building materials in any combination:
stone, masonry, ceramics, marble,
wood, aluminum and many plastics.
Priming is required on all applications
that are on or below grade. Priming is
required if intermittent water exposure
is expected. Although Chem-Calk 950
C13-08/04/03
Work Time
Tack Free Time
Value
Chem-Calk 950 polyurethane sealant
has a smooth consistency. Its physical
properties will remain stable over time
and in severe weather conditions. Its
physical properties are relatively
unchanged over a wide temperature
range, -20°F to 150°F (-29°C to 66°C).
211 Boston Street
Middleton, MA 01949-2128 U.S.A.
TEL. 888-603-8558
http://www.bostikfindley-us.com
Test Method/Note
Property
Composition:
BostikFindley, Inc.
Value
Joint Sealers
One Component; Polyurethane
Bostik Findley, Inc.
211 Boston Street
Middleton, MA 01949-2128
Phone: (888) 603-8558
Technical Service: (800) 523-2678
Technical FAX: (215) 957-0716
http://www.bostikfindley-us.com
Property
®
MANUFACTURER
TABLE 1: CHEM-CALK 950
TYPICAL UNCURED PROPERTIES*
Bostik 7
CONSTRUCTION GRADE; URETHANE SEALANT
INSTALLATION
Chem-Calk ® 950 has no food status.
(See Chem-Calk® 1200 silicone sealant or
Chem-Calk® 900 polyurethane sealant.)
More joint movement can be
accommodated in a thin bead of
sealant than in a thick bead.
Chem-Calk 950 polyurethane
sealant should be no thicker than
1/2" (12.7 mm) and no thinner
than 1/4" (6.4 mm). In joints
between 1/2" and 1", the ratio of
sealant width to depth should be
approximately 2:1. Sealant depth
in joints between 1/4" and 1/2"
should be 1/4" deep. Joints with
dynamic movement should not be
designed in widths less than 1/4".
Packaging:
Priming:
Chem-Calk 950 polyurethane sealant is
available in 30-oz. (885 ml) foil lined
cartridges, 12 cartridges per carton.
Priming is always required for any
on or below grade application or
where standing water is expected to
accumulate. Priming is required on
all ferrous-based metals and in all
applications exposed to intermittent
or continuous water immersion. If
sealant is to be applied to a material
with specially treated surfaces or of
particularly unusual surface
characteristics, or if the sealant
system will be exposed to
intermittent ponded water, consult
Bostik Findley Technical Service for
primer recommendations. Prior to
any use, however, it is always
recommended that the sealant be
applied on the surface to test
adhesion. See Pretested Adhesion
to Substrates Program.
e)
Chem-Calk 950 sealant may form air
bubbles when applied to porous or
damp substrates. Bubble formation
may be minimized if porous substrates
are primed prior to sealant application.
Food Status:
Colors:
Chem-Calk 950 is available in these
standard colors:
Limestone
Aluminum Stone
Applicable Standards:
Chem-Calk 950 sealant meets or exceeds
the test requirements of TT-S-00230C
(COM-NBS) for one-component sealants
as Type I, Class A; ASTM C920
Standard Specification for Elastomeric
Joint Sealants as Type S, Grade P, Class
25, Use T, A and M.
TECHNICAL DATA
Chem-Calk 950 polyurethane sealant is
virtually unaffected by normal weathering
conditions such as rain, sunlight, snow,
sleet, ultraviolet radiation, ozone,
atmospheric contamination and pollution.
Its excellent weatherability enables it to
retain its original properties after years
of exposure.
Joints formed with this sealant can be
expected to extend and compress a total of
50% of the installation width with no more
than 25% movement in a single direction
without affecting the seal or adhesive bond.
Chem-Calk 950 sealant may be used with
bulk dispensing equipment. Bulk
pumping equipment should have a
minimum pumping ratio of 20:1. Consult
Bostik Technical Services or the
equipment manufacturer for assistance in
designing bulk pumping systems for
pourable sealants.
following with a commercial solvent such
as xylol, toluol, or methyl ethyl ketone.
Should sealant accidentally begin to cure on
adjacent porous surfaces, the excess sealant
should be allowed to progress through the
initial cure or setup. It should be removed
promptly by abrasion or other mechanical
means.
CURED SEALANT IS USUALLY VERY
DIFFICULT TO REMOVE WITHOUT
ALTERING OR DAMAGING THE
SURFACE TO WHICH THE SEALANT
HAS BEEN MISAPPLIED.
Precaution:
On contact, uncured sealant causes irritation.
Avoid contact with eyes and skin. Contact
lens wearers take appropriate precautions.
IN CASE OF CONTACT, FLUSH EYES
WITH WATER. CALL A PHYSICIAN.
Remove from skin with dry cloth or paper
towel. KEEP OUT OF REACH OF
CHILDREN. Chem-Calk 950 is
manufactured for industrial use only. Use in
accordance with Material Safety Data Sheet.
No maintenance should be needed. If
sealant becomes damaged, replace
damaged portion. Clean surfaces in
damaged area, and repair with fresh
Chem-Calk 950.
TECHNICAL SERVICES
Pretested Adhesion to Substrates
(PATS) Program:
The program is intended to eliminate
potential field problems by pretesting
Bostik Findley's construction sealants
with samples of building materials on
which the sealant will be applied. The
Width, Inches
Shelf Life:
Install back-up material or joint filler
as specified in the Bostik Sealant
Application Guide.
WARRANTY
Limited Warranty:
All statements, technical information
and recommendations set forth herein
are based on tests which Bostik Findley,
Inc. believes to be reliable. However,
Bostik Findley, Inc. does not guarantee
their accuracy or completeness. The
buyer should conduct its own tests of
this product before use to determine
proper preparation technique and suitability for proposed application. Any
sale of this product shall be on terms and
conditions set forth on Bostik Findley's
order acknowledgment. Bostik Findley,
Inc. warrants that the product conforms
with Bostik Findley written specifications, and is free from defects. BOSTIK
FINDLEY, INC. DISCLAIMS ALL
tests will aid in determining the proper
surface preparation method, effective
solvents for cleaning and whether
priming is necessary to achieve optimum adhesion. Following this procedure will remove many of the unknown variables that affect field success. Test samples or coupons should
be identified as to manufacturer, origin, designed use, building project,
person and firm originating the request. Appropriate sketches or drawings showing the intended use can be
helpful. Contact your Bostik Findley
representative or Bostik Findley Technical Service.
ESTIMATING REQUIREMENTS
30 fl. oz. cartridges (885 ml)
Approximate linear feet per cartridge
Chem-CaIk 950 polyurethane sealant is
available through Bostik Findley
distributors in the United States. For the
name of your nearest distributor contact
Bostik Findley, Toll Free 1-888-603-8558.
Method of Application:
Excess sealant should be dry-wiped
from all surfaces while still uncured,
MAINTENANCE
AVAILABILITY
When stored at or below 80°F (27°C),
Chem-Calk 950 polyurethane weatherproofing sealant has a shelf life of six
months from date of shipment from Bostik
Findley's warehouse facilities.
Chem-Calk 950 is pourable sealant
and seeks its own level. Tooling of
the uncured sealant will aid the
wetting of the sealant to the
substrate. The pourable sealant
should not be used in joints with
more than a two degree slope.
Also, check one-half hour or so after
the sealant has been applied to be
sure that no runout has taken place
through voids in the bottom of the
joint. Such an occurrence is easily
repaired at this time by topping with
new material.
OTHER WARRANTIES, EXPRESSED
OR IMPLIED, INCLUDING THE
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE BUYER'S
SOLE REMEDY FOR NONCOMPLIANCE WITH THIS WARRANTY
SHALL BE FOR THE REPLACEMENT
OF THE PRODUCT OR REFUND OF
THE BUYER'S PURCHASE PRICE. IN
NO CASE WILL BOSTIK FINDLEY
BE LIABLE FOR DIRECT, CONSEQUENTIAL, ECONOMIC OR OTHER
DAMAGES.
DEPTH,
INCHES
be applied to unpredictably absorptive
surfaces such as marble, limestone or
granite unless a standard of appearance
has been agreed upon as a result of
testing for stain and/or discoloration.
1/8”
1/4”
3/8”
1/2”
5/8”
3/4”
7/8”
1”
1/8”
290
14.5
95
71
58
48
40
36
1/4”
-
71
58
36
29
23
20.5
17.5
3/8”
-
-
32
23
19
16
13
8.5
1/2”
-
-
-
17.5
14.5
11.5
10
8
BostikFindley, Inc.
211 Boston Street
Middleton, MA 01949-2128 U.S.A.
TEL. 888-603-8558
http://www.bostikfindley-us.com
C13-08/04/03
INSTALLATION
Chem-Calk ® 950 has no food status.
(See Chem-Calk® 1200 silicone sealant or
Chem-Calk® 900 polyurethane sealant.)
More joint movement can be
accommodated in a thin bead of
sealant than in a thick bead.
Chem-Calk 950 polyurethane
sealant should be no thicker than
1/2" (12.7 mm) and no thinner
than 1/4" (6.4 mm). In joints
between 1/2" and 1", the ratio of
sealant width to depth should be
approximately 2:1. Sealant depth
in joints between 1/4" and 1/2"
should be 1/4" deep. Joints with
dynamic movement should not be
designed in widths less than 1/4".
Packaging:
Priming:
Chem-Calk 950 polyurethane sealant is
available in 30-oz. (885 ml) foil lined
cartridges, 12 cartridges per carton.
Priming is always required for any
on or below grade application or
where standing water is expected to
accumulate. Priming is required on
all ferrous-based metals and in all
applications exposed to intermittent
or continuous water immersion. If
sealant is to be applied to a material
with specially treated surfaces or of
particularly unusual surface
characteristics, or if the sealant
system will be exposed to
intermittent ponded water, consult
Bostik Findley Technical Service for
primer recommendations. Prior to
any use, however, it is always
recommended that the sealant be
applied on the surface to test
adhesion. See Pretested Adhesion
to Substrates Program.
e)
Chem-Calk 950 sealant may form air
bubbles when applied to porous or
damp substrates. Bubble formation
may be minimized if porous substrates
are primed prior to sealant application.
Food Status:
Colors:
Chem-Calk 950 is available in these
standard colors:
Limestone
Aluminum Stone
Applicable Standards:
Chem-Calk 950 sealant meets or exceeds
the test requirements of TT-S-00230C
(COM-NBS) for one-component sealants
as Type I, Class A; ASTM C920
Standard Specification for Elastomeric
Joint Sealants as Type S, Grade P, Class
25, Use T, A and M.
TECHNICAL DATA
Chem-Calk 950 polyurethane sealant is
virtually unaffected by normal weathering
conditions such as rain, sunlight, snow,
sleet, ultraviolet radiation, ozone,
atmospheric contamination and pollution.
Its excellent weatherability enables it to
retain its original properties after years
of exposure.
Joints formed with this sealant can be
expected to extend and compress a total of
50% of the installation width with no more
than 25% movement in a single direction
without affecting the seal or adhesive bond.
Chem-Calk 950 sealant may be used with
bulk dispensing equipment. Bulk
pumping equipment should have a
minimum pumping ratio of 20:1. Consult
Bostik Technical Services or the
equipment manufacturer for assistance in
designing bulk pumping systems for
pourable sealants.
following with a commercial solvent such
as xylol, toluol, or methyl ethyl ketone.
Should sealant accidentally begin to cure on
adjacent porous surfaces, the excess sealant
should be allowed to progress through the
initial cure or setup. It should be removed
promptly by abrasion or other mechanical
means.
CURED SEALANT IS USUALLY VERY
DIFFICULT TO REMOVE WITHOUT
ALTERING OR DAMAGING THE
SURFACE TO WHICH THE SEALANT
HAS BEEN MISAPPLIED.
Precaution:
On contact, uncured sealant causes irritation.
Avoid contact with eyes and skin. Contact
lens wearers take appropriate precautions.
IN CASE OF CONTACT, FLUSH EYES
WITH WATER. CALL A PHYSICIAN.
Remove from skin with dry cloth or paper
towel. KEEP OUT OF REACH OF
CHILDREN. Chem-Calk 950 is
manufactured for industrial use only. Use in
accordance with Material Safety Data Sheet.
No maintenance should be needed. If
sealant becomes damaged, replace
damaged portion. Clean surfaces in
damaged area, and repair with fresh
Chem-Calk 950.
TECHNICAL SERVICES
Pretested Adhesion to Substrates
(PATS) Program:
The program is intended to eliminate
potential field problems by pretesting
Bostik Findley's construction sealants
with samples of building materials on
which the sealant will be applied. The
Width, Inches
Shelf Life:
Install back-up material or joint filler
as specified in the Bostik Sealant
Application Guide.
WARRANTY
Limited Warranty:
All statements, technical information
and recommendations set forth herein
are based on tests which Bostik Findley,
Inc. believes to be reliable. However,
Bostik Findley, Inc. does not guarantee
their accuracy or completeness. The
buyer should conduct its own tests of
this product before use to determine
proper preparation technique and suitability for proposed application. Any
sale of this product shall be on terms and
conditions set forth on Bostik Findley's
order acknowledgment. Bostik Findley,
Inc. warrants that the product conforms
with Bostik Findley written specifications, and is free from defects. BOSTIK
FINDLEY, INC. DISCLAIMS ALL
tests will aid in determining the proper
surface preparation method, effective
solvents for cleaning and whether
priming is necessary to achieve optimum adhesion. Following this procedure will remove many of the unknown variables that affect field success. Test samples or coupons should
be identified as to manufacturer, origin, designed use, building project,
person and firm originating the request. Appropriate sketches or drawings showing the intended use can be
helpful. Contact your Bostik Findley
representative or Bostik Findley Technical Service.
ESTIMATING REQUIREMENTS
30 fl. oz. cartridges (885 ml)
Approximate linear feet per cartridge
Chem-CaIk 950 polyurethane sealant is
available through Bostik Findley
distributors in the United States. For the
name of your nearest distributor contact
Bostik Findley, Toll Free 1-888-603-8558.
Method of Application:
Excess sealant should be dry-wiped
from all surfaces while still uncured,
MAINTENANCE
AVAILABILITY
When stored at or below 80°F (27°C),
Chem-Calk 950 polyurethane weatherproofing sealant has a shelf life of six
months from date of shipment from Bostik
Findley's warehouse facilities.
Chem-Calk 950 is pourable sealant
and seeks its own level. Tooling of
the uncured sealant will aid the
wetting of the sealant to the
substrate. The pourable sealant
should not be used in joints with
more than a two degree slope.
Also, check one-half hour or so after
the sealant has been applied to be
sure that no runout has taken place
through voids in the bottom of the
joint. Such an occurrence is easily
repaired at this time by topping with
new material.
OTHER WARRANTIES, EXPRESSED
OR IMPLIED, INCLUDING THE
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE BUYER'S
SOLE REMEDY FOR NONCOMPLIANCE WITH THIS WARRANTY
SHALL BE FOR THE REPLACEMENT
OF THE PRODUCT OR REFUND OF
THE BUYER'S PURCHASE PRICE. IN
NO CASE WILL BOSTIK FINDLEY
BE LIABLE FOR DIRECT, CONSEQUENTIAL, ECONOMIC OR OTHER
DAMAGES.
DEPTH,
INCHES
be applied to unpredictably absorptive
surfaces such as marble, limestone or
granite unless a standard of appearance
has been agreed upon as a result of
testing for stain and/or discoloration.
1/8”
1/4”
3/8”
1/2”
5/8”
3/4”
7/8”
1”
1/8”
290
14.5
95
71
58
48
40
36
1/4”
-
71
58
36
29
23
20.5
17.5
3/8”
-
-
32
23
19
16
13
8.5
1/2”
-
-
-
17.5
14.5
11.5
10
8
BostikFindley, Inc.
211 Boston Street
Middleton, MA 01949-2128 U.S.A.
Tel.: 888-603-8558 - Fax: 978-750-7329
http://www.bostikfindley-us.com
C13-08/04/03