Bonstone Materials Corporation Page 1 of 2
1. Product Nam e 5. Installation 6. Availability
Bonstone庐 Crack Repair 28 (A -028/B-405) General Instructions Packaging and Storage
(If using cartridges, additional Bonstone庐 A-028/B -405 is
2. Manufacturer
usage directions are available. Seeavailable in quarts, gallons, and
our information sheet labeled 5 gallon pails, and 300ml and
Bonstone Materials Corporation "Cartridge use directions".) See 150ml cartridges. Shelf life is
separate doweling, laminating, and approximately one year if kept
patching instructions for more in unopened cans in a dry area
3. Product Description
specific instructions. CSI format at 75掳F.**If BONSTONE庐 A-
specifications are available. 028 is exposed to below
A two -component, exterior grade, clear, room te mperature conditions
medium viscosity epoxy.
for extended periods of time,
Surface Preparation and Use
it m ay crystallize, giving it a
Basic Uses stiff, grainy consistency. The
Use gloves, wear eye protection, product must be
and avoid skin contact. When reconstituted before use by
Stone or concrete crack injection, grinding cured joints, wear a dust heating it to 150 掳F degrees.
patching and mending mask. Substrate to be bonded must Stir until it becomes a
be completely dry and dust-free.
Bonding stone or hardened concrete to homogeneous liquid.
Mix only the amount of epoxy
hardened concrete
which can be used in 10 minutes.
Bonding new concrete to existing 7. Warranty
Avoid stressing joint before
concrete complete cure of epoxy. Mask
Anchor bolt adhesive areas which must be kept free of This warranty is limited to
epoxy. Clean uncured epoxy from
Bonding stone and concrete to other re placement of defective
tools with toluene or xylene. material and freight charges to
construction materials
Remove cured epoxy mechanically. destination only. Bonstone
Bonding stone to stone
Materials Corp. is not
General purpose adhesive for wood, re sponsible for consequential
Mix ing Ins truc tions
concrete, metal damages.
All ma terials should be at or above
Lim itations 8. Maintenance
55掳F. Co mbine the two ingredients
at the following volume ratio: two
Use on stone free of oil, grease, wax, coatings parts A -028 to one part B-405. Mix Designed for application in
and other contaminates. thoroughly--- in gredients must be areas inaccessible to
blended homogeneously for proper maintenance procedures.
cure.
Color
9. Technical Service
Temperature Dependency
Clear
Specification Service
Temperature will affect the working
Applicable Standards
properties of the material.
Approximately every 15掳F re sults in Specifications for
Meets ASTM C-881, Types I, II, IV, V; Class C, doubling the speed of cure.
various applications
Gra de 2 Therefore, at 90掳F set time is cut in
Specification writing
half, at 60 掳F the set time is
dept. for unique
doubled. Do not use on a substrate
4. Technical Data applications
at a temp. below 55 掳F.
Cured Properties Cov erage
2 parts A-028 to 1 part B -405
Mix ratio
by volum e
Approximately 30 square feet per
gallon when applied at 50 mils
Pot life
25 minutes
@ 75 掳F (1 /16th of an inch). 231 cubic
in ches per gallon.
Mix ed Properties
Init ial Set T ime
3 hours
@ 75 掳F
Full cu re time @ 75 掳F: Within 24 hours
Test
Pro p erty Value
Meth o ds
Tensile Stre ngth 9469 p si ASTM D -638
228000
Tensile Modu lus ASTM D -638
psi
Tensile Elo ngation 0.027 ASTM D -638
Comp ressive Strengt h 13010 psi ASTM D -695
327000
Comp ressive M odulus ASTM D -695
psi
Flexura l Strength 17180 psi ASTM D -790
498000
Flexura l M odulus ASTM D -790
psi
ASTM D -
Shore D H ardn ess 80
2240
Heat D isto rtion
135掳F ASTM D -648
Tem pera ture
http://www.bonstone.com/tds/technical data.asp 3/4/2004
Bonstone Materials Corporation Page 2 of 2
Thi s i nfo rm a tio n i s fu rn is he d w ith o ut w a rra n ty, re pr es e nta tio n , in d uc em e n t, o r l ice n se o f a n y k in d , e x ce pt th a t i s i s
ac cu ra te to the b e st of B on s to n e Ma te ria l C o rp o ra tio n 's ( BM C ) kn o wl e dg e o r ob ta in e d fr om so u rce s b e li e ve d b y B MC to
be a ccu ra te , an d BM C do e s n o t a ss u me a ny le g al re sp o ns ib il ity fo r u se o f re li an ce u p on sa m e. U se r m u st d ete rm in e if
th e p ro du ct, p ro ce ss , o r i n fo rm a tio n de sc ri be d is s u ita bl e to th e i n te n d ed a p pl ic a ti o n. B efo re u si ng a ny ch e mi ca l, re a d i ts
la b el an d Ma te ri al Sa fe ty D ata Sh e e t.
Bonstone庐 Materials Corporation
707 Swan Drive 鈥? Mukwonago, WI 53149
Local (262) 363-9877 鈥? Toll-Free (800) 425-2214
Fax (262) 363-9879 鈥? Email general@ bons tone.com
漏 1999-2002 Bonstone Materials Corporation.
http://www.bonstone.com/tds/technical data.asp 3/4/2004
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