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Description for Bostik 1200
One-component, RTV moisture cure silicone sealant; exhibits good flexibility in joint movement.Application Type Bond, Sealing 1 Part or 2 Part 1-Part Material Form Paste Substrate Aluminum, Glazed ceramic tile, Glass, Metal alloys, Plastics, Polycarbonate glazing sheet, Stainless Steel, Non-porous surfaces, Ceramics, Insulating glass, Metals, Laminated glass Industry Perimeter sealing around other exterior building components, Sealing windows, Perimeter sealing around doors, Aluminum window frames, Perimeter sealing around windows Manufacturer Bostik Chemistry Silicone Cure Method Moisture Cure Temperature (°C) 25 Cure Time (min) 20,160, 10,080 to 30,240 Viscosity (cPs) Non-Sag Color Black, Clear, White, Bronze, Translucent Ozone Resistance Excellent Ozone resistance Durability Tough Key Specifications ASTM (American Standard Test Method): C920: ASTM C920, Type S, Grade NS, Class 25, TT (U.S. Federal Specification): TT-S-00230C, TT (U.S. Federal Specification): S-001543A: TT-S-01543A, Class A, Type II, FDA (U.S. Food & Drug Administration) and/or CFIA (Canadian Food Inspection Agency): Complies with FDA Food Additive Regulation Title 21 on Indirect Food Additive as found in part 174 CFR 175.105; Complies with FDA Food Additive Regulation Title 21 on Indirect Food Additive as found in part 175 CFR 175.105 -
Technical Data for Bostik 1200
Overview
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1 Part or 2 Part
- 1-Part
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Material Form
- Paste
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Substrate
- Ceramic - Glazed ceramic tile, Ceramics
- Non-Porous Substrates - Non-porous surfaces
- Glass - Insulating glass, Laminated glass
- Metal - Metal alloys, Metals
- Aluminum
- Plastic - Plastics
- Polycarbonate - Polycarbonate glazing sheet
- Stainless Steel
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Industry
- Industrial - Glass partitions, Mullion joints, Wall joints
- Construction - Sealing skylights, Perimeter sealing around other interior building components, Sealing dissimilar building materials
- Construction Exterior - Perimeter sealing around other exterior building components
- Construction Window - Aluminum window frames, Sealing windows, Perimeter sealing around windows
- Construction Door - Perimeter sealing around doors
- Other - Sealing metal frames, A wide array of applications
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Chemistry
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Application Method
- Caulking gun
- Brush - Hand
- Other - Easy gunning
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Cure Method
- Moisture / Condensation Cure - Moisture
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Color
- Translucent
- Black
- Clear / Transparent - Clear
- White
- Yellow - Bronze
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Key Specifications
- ASTM (American Standard Test Method) : C920 : Class 25 - ASTM C920, Type S, Grade NS, Class 25
- TT (U.S. Federal Specification) : S-00230C - TT-S-00230C
- TT (U.S. Federal Specification) : S-001543A : Class A - TT-S-01543A, Class A, Type II
- FDA (U.S. Food & Drug Administration) and/or CFIA (Canadian Food Inspection Agency) : 175.105 - Complies with FDA Food Additive Regulation Title 21 on Indirect Food Additive as found in part 174 CFR 175.105; Complies with FDA Food Additive Regulation Title 21 on Indirect Food Additive as found in part 175 CFR 175.105
Specifications
Cure Specs
Cure Temperature (°C) 25 Test Method Cure Time (min) 20,160, 10,080 to 30,240 Test Method Viscosity (cPs) Non-Sag Tack Free Time (min) 25 Test Method Work / Pot Time (min) 10 Test Method Thixotropic Thixotropic Bond Strength
Peel Strength (piw) >25 Test Method Tensile Strength (psi) 290 Test Method Material Resistance
Ozone Resistance Excellent Ozone resistance UV Resistance Excellent Hardness
Durability Tough Elasticity Elastomeric Shore A Hardness 17 Test Method Elongation (%) 570 Test Method Flexibility Flexible Modulus (psi) 58 Test Method Business Information
Shelf Life Details Shelf life of Chem-Calk® 1200 must be checked prior to using the product, do not use past its shelf life. Caulk past its shelf life may not perform or adhere as described by this data sheet. High temperature and high relative humidity may reduce significantly the shelf life of polyurethane sealants. Not Good For
Don't Use For Horizontal joints or traffic-bearing joints where abrasion resistance is required (walkways, driveways, runways, etc.), Submerged joints, Exterior or interior structural sealing below the waterline in marine applications. Don't Use With Concrete, Marble, Limestone, Lead, Lead coated surfaces, Zinc coated metals (galvanized), Copper, Construction materials that may exude oils, resins, plasticizers or solvents., Uncleaned or wet surfaces -
Best Practices for Bostik 1200
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Design
In general, more joint movement can be accommodated in a thin bead of sealant than a thick bead. Chem-Calk® 1200 Silicone 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”.
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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 non-alcoholic 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. Alcohol is not compatible with polyurethanes and its use can cause irreparable damage to the sealant. If alcohol is used as a cleaning solvent, all traces of alcohol must thoroughly be removed prior to the installation of the polyurethane sealant. Lastly, alcohol is not recommended as a tooling medium.
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Curing
Bostik 1200 is a silicone sealant. On wood, with ambient air at 50% relative humidity and at 73°F, polyurethane sealants will generally skin within one hour 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 silicone sealant.
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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 Towel & Specialty Adhesive Remover 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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Cure Temperature Test Methods
Cure Temperature | Cure Time Test Method |
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25°C | After 14 days cure at 77°F and 50% RH |
Cure Time Test Methods
Cure Time | Test Method |
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20,160 min | After 14 days cure at 77°F and 50% RH |
10,080 to 30,240 min |
Tack Free Time Test Methods
Tack Free Time | Test Method |
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25 min | Uncured, Skin Time, Bostik Test Method |
Work / Pot Time Test Methods
Work / Pot Time | Test Method |
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10 min | Uncured, Tool/Work Time, Bostik Test Method |
Peel Strength Test Methods
Peel Strength | Cure Time | Cure Temperature | Cure Humidity | Test Method |
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>25 piw | 20,160 min | 25°C | 50 % | TT-S-001543A/ASTM C 794, After 14 days cure at 77°F & 50% RH |
Tensile Strength Test Methods
Tensile Strength | Cure Time | Cure Temperature | Cure Humidity | Test Method |
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290 psi | 20,160 min | 25°C | 50 % | ASTM D 412, After 14 days cure at 77°F & 50% RH |
Elongation Test Methods
Elongation | Test Method |
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570 % | ASTM D412, After 14 days cure at 77°F and 50% RH |
Modulus Test Methods
Modulus | Temperature | Test Method |
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58 psi | 25°C | Modulus 100% Elongation, After 14 days cure at 77°F and 50% RH |
Shore A Hardness Test Methods
Shore A Hardness | Shore Hardness Test Method | Hardness Temperature |
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17 | ASTM D 2240, After 14 days cure at 77°F & 50% RH | 25°C |