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Technical Data Sheet - Gripstone™
Product Name
Bonstone® Gripstone Polyester
Manufacturer
Bonstone Materials Corporation
Product Description
A catalyzed interior grade patching compound. A peroxide
cure unsaturated polyester (Family Includes 200, 220, 230, 275-X, 290,
and L-200).
Basic Uses
- Stone patching and cavity filling
- Can be polished
- Thick paste ideal for adding additional stone dust when
a knifegrade product is needed
Limitations
Use on stone free of oil, grease, wax, coatings and other contaminates.
Color
Six stock colors. L-200 is clear and flowing.
Technical Data
Cured Properties
| Mix ratio |
98 parts Gripstone to 2 parts hardener by weight. |
| Mixed viscosity |
Creamy Paste |
| Pot life @ 75°F |
10 minutes |
Mixed Properties
| Initial Set Time @ 75°F |
10 to 15 minutes |
| Full cure time @ 75°F |
within 24 hours |
| Property Value |
Test Methods |
Installation
General Instructions
See separate doweling, laminating,
and patching instructions for more specific instructions. CSI format specifications
are available.
Surface Preparation and Use
Use gloves, wear eye protection, and avoid skin contact. When grinding
cured patches or non-structural joints, wear a dust mask. Substrates
must be completely
dry and dust-free. Mix only the amount of Gripstone which can be used in 10 minutes.
Avoid stressing joint before complete cure of Gripstone. Mask areas which must
be kept free of Gripstone. Clean tools with toluene or xylene.
Use caution, these solvents are flammable. Ensure local ventilation.
Mixing
Instructions
All materials should be at or above 45°F. Combine the two ingredients
at the following weight ratio: two parts hardener to 98 parts Gripstone.
Mix thoroughly.
Prepare only as much material as can be immediately used.
Temperature Dependency
Temperature will affect the working properties of the material. Approximately
every 10°F results in doubling the speed of cure. Therefore, at 85°F
set time is cut in half, at 65°F the set time is doubled.
Coverage
Approximately 30 square feet per gallon when applied at 50 mils (1/16th
of an inch). 231 cubic inches per gallon when mixed at 50 mils (1/16th
of an inche).
231 cubic inches per gallon.
Availability
Packaging and Storage
Gripstone is available in quarts and gallons. Gripstone has a shelf life
of six
months at 70°F in unopened containers. Under no circumstances should the
hardener be allowed to get above 100°F.
Warranty
This warranty is limited to replacement of defective material
and freight charges to destination only. Bonstone Materials Corp. is
not responsible
for consequential
damages.
Maintenance
Designed for interior application in areas inaccessible to
maintenance procedures.
Technical Service
Specification Service
- Specifications on file
- Development of proposed specifications for special
projects.
Lab Service
- Spectrophotometric color matching is available.
- Sample patches can be
made on stone forwarded to lab.
This information is furnished without
warranty, representation, inducement, or license of any kind, except
that is is accurate to the best
of Bonstone Material
Corporation's (BMC) knowledge or obtained from sources believed
by BMC to be accurate, and BMC does not assume any legal responsibility
for use
of reliance
upon same. User must determine if the product, process, or
information described is suitable to the intended application. Before
using any
chemical, read
its label and Material Safety Data Sheet.
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