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Weatherproofing UV Resistant Silicone Sealant for Stone Curtain Wall

Categories Curtain Wall Silicone Sealant
Brand Name: GUIBAO
Model Number: 997
Certification: ISO, SIRIM
Place of Origin: CHINA
MOQ: 2000pcs
Price: Negotiable
Payment Terms: T/T
Supply Ability: 20000pcs/4 work days
Delivery Time: 4 work days
Packaging Details: Sausage :500ml
Feature: No Staining
Usage: Construction
Type: silicone
Other names: Silicone Sealant
Application: Stone Curtain Wall
Material: Silicone Sealant
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Weatherproofing UV Resistant Silicone Sealant for Stone Curtain Wall

Silicone Weatherproofing Sealant for Stone Curtain Wall


FEATURES


One part, neutral cure, easy for application

Non-staining to natural stones and other porous substrates

Outstanding UV and weathering resistance


BASIC USES


GB 997 Silicone Sealant for Stone Applications is specially formulated for

Weatherseal in stone curtain walling and cement panel precasting

Bonding and caulk seal in ceramic engineering

Sealing the joints between stone and other construction materials such as glass and metals etc.


COLOURS


GB 997 is available in black, gray and other customized colours.


PACKAGING


GB997 is available in cartridges(net 300ml),24 pieces to a carton or in sausages (net 500ml),20 pieces to a carton


TYPICAL PROPERTIES


Test MethodPropertyUnitStandardResult
GB/T 13477 (ISO 7390)Slumpmm

≤3

0

GB/T 13477 (ISO 8394)Extrusion rateml/min.≥80

373

GB/T 13477 (ASTM D 2377)Tack free timeh≤3

1.2

GB/T 13477 (ISO 7389)Extension recovery%≥80

90

GB/T 13477 (ISO 8339)Modulus at 23℃MPa>0.40.74
GB/T 13477 (ISO 11600)Movement capability%±20±20
GB/T 13477Adhesion at fixed stretchNo failureNo failure
GB/T 13477Adhesion after heat contract and cold extensionNo failureNo failure
GB/T 13477Adhesion at fixed stretch after water immersionNo failureNo failure
GB/T 23261StainingStain depthmm

≤2.0

0
Stain widthmm

≤2.0

0
GB/T 13477 (ISO 10563)Weight loss%≤5.03.0

*GB: Chinese National Standard

ASTM: American Society for Testing and Materials

ISO: International Standardization Organization


SPECIFICATIONS


GB 997 is designed to meet or even exceed the requirements of

Chinese national specification GB/T 23261-2009 20HM

Complies with ASTM C 1248


LIMITATIONS


GB 997 should not be applied:

As structural sealant

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

In totally confined spaces as sealant requires atmospheric moisture for cure

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, surface dirt, protective coatings.


Application Method

Install back-up materials or joint fillers, setting blocks, spacer shims, and tapes. Mask areas adjacent to joints to ensure neat sealant lines. Primer is generally not required for non-porous surfaces, but may be necessary for optimal seal performance of certain porous surfaces. So adhesion test is always recommended.


Apply GB 997 in a continuous operation using dispensing guns. Before a skin forms, tool the sealant with light pressure to spread the sealant against the backing materials and joint surfaces. Remove masking tape as soon as the bead is tooled.


SAFETY INFORMATION


GB 997 is a chemical product, not edible, no implantation into body and should be kept away from children.

Cured silicone rubber can be handled without any risk to health.

Should uncured silicone sealant contact with eyes, rinse thoroughly with water and seek medical treatment if irritation persists.

Avoid prolonged exposure of skin to uncured silicone sealant.

Good ventilation is necessary for work and cure places.


TECHNICAL SERVICES


Complete technical information and literature, adhesion testing, stain testing and compatibility testing are available from Guibao.


DISCLAIMER


The information presented herein is offered in good faith and is believed to be accurate. However, because conditions and methods of using our products are beyond our control, this information should not be used in substitution for customer’s tests to ensure that our products are safe, effective, and fully satisfactory for intended specific applications.

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