Bostik CC-900

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Description for Bostik CC-900

One-component, architectural grade sealant capable of dynamic joint movement; properties remain stable in severe weather and temperature changes.

*See Terms of Use Below

Application Type	Bond, Repair, Seal
1 Part or 2 Part	1 Part
Material Form	Paste
Substrate	Ceramics, Metals, Plastics, Steel, Wood
Manufacturer	Bostik
Chemistry	Polyurethane
Cure Method	Moisture
Cure Temperature (°C)	25
Cure Time (min)	4,320 to 10,080
Viscosity (cPs)	Non-Sag, Slump
Color	Black, Medium Bronze, Limestone, Limestone, Antique White, Bronze, Tan, Stone, White, Medium Bronze
High Temperature Resistance (°C)	66
Low Temperature Resistance (°C)	-40
Durability	Tough

Best Practices for Bostik CC-900

*See Terms of Use Below

Design

In general, more joint movement can be accommodated in a thin bead of sealant than a thick bead. Chem-Calk® 900 polyurethane sealant should be no thicker than 1/2" (12.7mm) and no thinner than 1/4" (6.4mm). 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".
Surface Preparation

See limitations about surface preparation. Surfaces must be structurally clean, dry (no frost) and structurally sound, free of contaminants, including but not limited to dust, dirt, loose particles, tar, asphalt, rust, mill oil, etc. If substrate is painted or coated, scrape away all loose and weakly bonded paint or coating. Any paint or coating that cannot be removed must be tested to verify adhesion of the sealant or to determine the appropriate surface preparation if needed. (See ASP section on next page for details.) To remove laitance and any other loose material, clean concrete, stone or other masonry materials with nonalcoholic-based solvent by washing, grinding, sandblasting or wire brushing as necessary . Do not use water to clean substrates. Dust must be thoroughly removed after cleaning.
Curing

Chem-Calk 900 is a moisture cure, polyurethane sealant. On wood, with ambient air at 50% relative humidity and at 73°F, polyurethane sealants will generally skin within four hours and cure 1/16 of an inch per day. Lower temperature and lower relative humidity will significantly increase the skin time and cure time of a polyurethane sealant.
Clean-Up

After dry-wiping uncured sealant from substrates and tools, remaining uncured sealant can be removed by using Xylene, Toluene or similar aromatic solvents. Please refer to the MSDSs provided for these solvents before use. Bostik® Hand and Tool towels can also remove uncured sealant. Cured sealant is usually very difficult to remove without altering or damaging the surface to which the sealant has been misapplied. Cured sealant can be removed by abrasion or other mechanical means (scrapers, putty knives).

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Technical Data

Overview

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Specifications

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Best Practices

*See Terms of Use Below
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Comparable Materials

*See Terms of Use Below
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Cure Temperature Test Methods

Cure Temperature	Cure Time Test Method
25°C	Uncured, Varies w/relative humidity

Cure Time Test Methods

Cure Time	Test Method
4,320 to 10,080 min	Uncured, Varies w/relative humidity

Tack Free Time Test Methods

Tack Free Time	Test Method
360 min	Uncured, TT-S-00230C/ASTM C 679

Work / Pot Time Test Methods

Work / Pot Time	Test Method
70 min	Uncured, Bostik Test Method

Tensile Strength Test Methods

Tensile Strength	Cure Time	Cure Temperature	Cure Humidity	Test Method
180 psi	20,160 min	25°C	50 %	@ Break, ASTM D 412, After 14 days cure at 77°F and 50% RH

Peel Strength Test Methods

Peel Strength	Cure Time	Cure Temperature	Cure Humidity	Test Method
>35 piw	20,160 min	25°C	50 %	TT-S-00230C/ASTM C 794, After 14 days cure at 77°F and 50% RH

UV Resistance Test Methods

UV Resistance	Test Method
Pass	ASTM C 793

Elongation Test Methods

Elongation	Test Method
950 %	ASTM D 412, at break, After 14 days cure at 77°F and 50% RH

Modulus Test Methods

Modulus	Test Method
70 psi	@ 100% Elongation ASTM D 412, After 14 days cure at 77°F and 50% RH

Shore A Hardness Test Methods

Shore A Hardness	Shore Hardness Test Method	Hardness Temperature
38	ASTM D 2240, After 14 days cure at 77°F and 50% RH	25°C

Bostik CC-900

Description for Bostik CC-900

Best Practices for Bostik CC-900

Design

Surface Preparation

Curing

Clean-Up

Register for FREE to view more details

Why register?

Sign up now Already registered? Sign in!

Technical Data

Overview

magna.

nonummy tincidunt dolore.

sed laoreet.

dolor.

diam.

sed consectetuer sed.

Specifications

lorem.

dolor.

consectetuer elit sit elit.

sed ipsum.

elit diam.

sit adipiscing adipiscing consectetuer.

Best Practices

elit erat lorem nonummy nibh euismod.

aliquam sed nonummy aliquam lorem nonummy.

consectetuer amet dolor elit adipiscing aliquam.

sed ipsum diam sit tincidunt.

laoreet diam tincidunt.

Comparable Materials

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Gluespec Poll

When you're researching or sourcing materials online, what device are you using?

Cure Temperature Test Methods

Cure Time Test Methods

Tack Free Time Test Methods

Work / Pot Time Test Methods

Tensile Strength Test Methods

Peel Strength Test Methods

UV Resistance Test Methods

Elongation Test Methods

Modulus Test Methods

Shore A Hardness Test Methods

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