Bostik 1200

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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

Best Practices for Bostik 1200

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Technical Data for Bostik 1200

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Overview

Application Type
- Adhesive - Bond
- Sealant - Sealing
1 Part or 2 Part
- 1-Part
Material Form
- Paste
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
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
Chemistry
- Silicone
Application Method
- Caulking gun
- Brush - Hand
- Other - Easy gunning
Cure Method
- Moisture / Condensation Cure - Moisture
Color
- Translucent
- Black
- Clear / Transparent - Clear
- White
- Yellow - Bronze
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

*See Terms of Use Below
1. 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”.
2. 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.
3. 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.
4. 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).
Comparable Materials for Bostik 1200

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Spec Engine^® Results
- Silastomer 343(Hernon)
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  Good weatherability; resilient; long life reliability; unprimed adhesion; seals irregular surfaces; non-slump.
- 0SAC241 (AC Plus White 10.3 OZ CTG)(Sika)
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