IOTA 882 Silicone Insulating Glass Sealant

IOTA 882 Silicone Insulating Glass Sealant

Details

IOTA 882 Silicone Insulating Glass Sealant 

Special for the secondary seal of insulating glass units used for window and door etc.

 

Features

1.Two part, neutral fast cure rate, suitable for factory application  

2. High level of tensile strength and mechanical properties

3. Excellent adhesion to a wide range of substrates including coated glass, low -E glass, tempered glass, laminated glass, aluminum and steel spacers etc.

4. Excellent weatherability and high resistance to ultra-violet radiation ,heat and humidity, and ozone

5. Excellent resistance to temperature extremes, unaffected performance from –50 ℃ to +150 ℃

6. Excellent unprimed adhesion to wide range of substrates Good compatibility with other neutral silicone sealants

 

COLOURS

Part A (base) of IOTA 882 is available in white, part B (curing agent) in black, black color after mixing.

 

PA    C                    PACKAGING

IOTA 882 is available in kit: part A in 200L drums (net 180L), part B in 20L pails (net 18L).

 

SPECIFICATIONS

IOTA 882 is designed to meet or even exceed the requirements of Chinese corporate specification Q/71304249-7.004-2009

 

Typical properties

These values are not intended for use in preparing specifications.

Test Method

Property

Unit

Standard

Result  

GB/T 13477 (ISO 7390)

Slump

mm

≤3

0

GB/T 13477 (ISO 9048)

Working time

(after 20 min.)

s

≤10

1.4

GB/T 13477(ASTM D 2377)

Tack free time

h

≤3

1.0

GB/T 531.1 (ISO 7619 )

53113477

Hardness

Shore A

3060

47

GB/T 13477

Tensile strength

MPa

≥0.6

1.2

GB 16776

Adhesion failure

%

≤10

0

GB 16776 (ASTM C 792)

Heat aging

 

 

 

weight loss

%

≤10

4.5

chalking

 

Nil

Nil

cracking

 

Nil

Nil


STORAGE AND SHELF LIFE

IOTA 882 should be stored at or below 27℃ in original unopened containers. It has a shelf life of 12 months from the date of manufacture.

 

LIMITATIONS

IOTA 882 should not be applied:

For structural glazing;

To the materials that bleed oils, plasticizers or solvents, such as impregnated wood, oil-based caulks;

To frost laden or damp surfaces;

For continuous water immersion;

When surface temperature below 4℃ or over 50

 

HOW TO USE

Surface Preparation

Clean all joints removing all foreign matter and contaminants such as oil, grease, dust, water, frost, old sealants, surface dirt, or glazing compounds and protective coatings.

 

Mixing and Dispensing

To obtain the optimal performance of IOTA 882, it is recommended that base and curing agent thoroughly mixed using a two-part silicone dispensing machine.

IOTA 882 should be mixed at a ratio of 9:1~11:1 base to curing agent by volume, or 11:1~13:1 base to curing agent by weight for optimal performance. 

Lot matching of IOTA 882 base to curing agent is not required. Before use, it is recommended that curing agent be stirred to ensure the homogeneity of all components.

IOTA 882 part B curing agent will react with atmospheric moisture, therefore should not be exposed to air for prolonged periods of time. 

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