ADCOTHERM™ PIB 29 is a black polyisobutylene based sealant that exhibits excellent long-term stability and remains permanently flexible, even at low temperatures. Like all ADCOTHERM™ PIB sealants, ADCOTHERM™ PIB 29 exhibits low argon permeability and inherently low moisture vapor transmission along with excellent adhesion to aluminum, stainless steel and tin-plated steel spacer substrates.

Performance Properties
Typical Values		Test Method
Moisture Vapor Transmission	0.09 g/m2/24 hr		ASTM F1249 2mm thickness
Argon Diffusion	0.02 L/m2/24h/760mm		ASTM D3985 3mm thickness
Press Flow Extrusion Viscosity	13 seconds		ASTM D2452 110oC (230oF), 8.6mm orifice
Physical Properties
Cone Penetration	55 dmm		ASTM D217, 150g added load
Solids Content		100%
Specific Gravity	1.10		ASTM D71
Weight per gallon		9.2 lb
Application Properties
Service Temperature		-45 to 80oC (-50 to 176oF)
Suggested Application Temperature		100 to 130oC (212 to 265oF)

NOTE:

The foregoing information is published as general information only. The listed properties and performance characteristics are typical values and are not to be interpreted as manufacturing specifications.

Features	Benefits
Low moisture vapor transmission rate (MVTR)	Increases unit life expectancy
Excellent resistance to weathering	Does not degrade upon exposure to environmental conditions
Low gas permeability	Increases argon gas retention beyond industry standards
Excellent adhesion to glass, stainless, aluminum, tin-plated steel, and many plastics	Can be used with all commercially accepted metal spacer systems and most plastic spacer systems
Ultra low volatile content	No chemical fogging. No discoloration of low-e coatings
Lower press flow viscosity	Suitable for high-volume fully automated production lines
High cohesive strength	Reduced offset shear failures resulting in less rework and better in-plant unit handling

ADCOTHERM™ PIB 29 is specifically formulated to be used as a primary sealant in insulating glass units for commercial construction. PIB 29 is compounded with high levels of carbon black to provide maximum protection in exposed application such as direct glazing.

ADCOTHERM™ PIB 29 has very low moisture vapor transmission rates (MVTR) and gas permeability rates. Properly constructed dual-seal units incorporating ADCOTHERM™ PIB 29 will retain argon insulating gas and maintain a dry interior unit airspace for decades. Insulating glass units produced with ADCOTHERM™ PIB 29 routinely pass ASTM E2188, E2189, E2190 (HIGS) standards.

ADCOTHERM™ PIB 29 offers high application rates without sacrificing strength performance. Optimized for performance on European assembly equipment (Bystronic and Lisec),

ADCOTHERM™ PIB 29 will also run well on manual extruders. PIB 29 may be used with most commercially available urethane, silicone, polysulfide, or butyl hot melt insulating glass secondary sealants.

Limitations

• ADCOTHERM™ PIB 29 is not intended for use as a structural sealant. 
   
• ADCOTHERM™ PIB 29 is not resistant to attack by solvents, oils, and plasticizers. When constructing IG with siliconesecondary sealants, care must be taken to insure that theglazing environment (including setting blocks, compressiongaskets, glazing sealants, and weatherproofing sealants) isfree from solvents, oils and plasticizers. These chemicals canmigrate through silicone secondary sealants and attack theprimary sealant resulting in premature IG unit failure.

• The surfaces to be bonded must be dry, clean and free from dust and grease. Glass surfaces should be thoroughly cleaned by hand or machine with non-film forming, low residue detergent and rinsed thoroughly with clean hot water.

 

Glazing Compatibility

It is recommended that glazing materials be tested for compatibility and that all units be glazed in accordance with GANA (Glass Association of North America) and IGMA

(Insulating Glass Manufacturers Alliance) recommendations. Contact with any solvent, oil, or plasticizer-containing glazing materials should be avoided.

Application Instruction

See ADCOTHERM™ PIB Application Guidelines

ADCOTHERMTM

PIB 29 is available in the following standard packages:

Package              Weight                     Physical Form                    Part #

4 slugs/case      58 lb 14.5 lb (6.6 kg)          slug                      PB-059B-58

Steel drum             430 lb                        Solid drum             PB-059B-430S

Storage and Shelf Life

Store material in original unopened packaging at temperatures between 40°F-100°F. Shelf life is 24 months when stored as recommended.

Prior to working with this or any product consult product label and Material Safety Data Sheet (MSDS) for necessary health and safety precautions.

CAUTION:
All statements and technical information in this document are based on tests or data that ADCO believes is reliable. However, ADCO does not warrant or guarantee the accuracy or completeness of this information. The user has sole knowledge and control offactors that can affect the performance of ADCO’s products in the user’s intended application. It is the user’s

responsibility to conduct tests to determine the compatibility of ADCO’s product with the design, structure, and materials of the user’s end product and the suitability of ADCO’s product for the user’s method of application and intended use. The user assumes all risk and liability arising out of such use.

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