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Double Component Silicone Structural Sealant

FOB Reference Price:Get Latest Price
US $1,000 - 1,500 / Barrel | 10 Barrel/Barrels (Min. Order)
Supply Ability:
200000 Kilogram/Kilograms per Month
Port:
Shanghai / Ningbo
Seller Support:
Payment protection
On-time shipment
Product quality protection
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Quick Details

Place of Origin:
Zhejiang, China (Mainland)
Classification:
Double Components Adhesives
Main Raw Material:
Silicone
Usage:
Construction
Brand Name:
JOIN LEADER
Model Number:
JOIN LEADER 998
two part:
structural use

Packaging & Delivery

Packaging Details: Part A: 180L/190L/260KG (NET WEIGHT) in drum
Part B: 18L/19.5L/20KG (NET WEIGHT) in pail
Delivery Detail: two weeks

Specifications

1. special for curtain wall
2. excellent unprimed adhesion to glass and metal substrates
3. Perfect weatherproof ability

JOINLEADER 998  Double Component Silicone Structural Sealant 

 

PRODUCT DESCRIPTION

JOINLEADER 998 Two Part Structural Silicone Sealant is a two-component, high quality, neutral and room-temperature cured Silicone Structural Sealant.

JOINLEADER 998 Two Part Structural Silicone Sealant is especially for structural glass assembly with excellent unprimed adhesion to most common building materials.

High ultimate tensile strength sealant ideally suited for structural bonding and protective glazing applications

 

FEATURES

Odorless, neutral and non-corrosive cure at room temperature.

Excellent resistance to weather, over 50 years’ duration under normal climatic conditions

Excellent resistance to low and high temperature, performance changes little between -50°C~200°C

Excellent mechanical properties

Very good adhesion and compatibility, especially to metals (non-corrosive) and various paint systems.

Be compatible to most membrane-plated glass or hollow glass.

Successfully tested for use in protective glazing applications

Excellent unprimed adhesion to wide range of substrates.

Meets global standards for structural glazing (American, China, Europe)

 

TECHNICAL DATA

BEFORE CURED:

Bases as supplied:

Aspect:                           Viscous white Paste

Gravity, g/ cm3:                        1.3~1.4

Viscosity, mPa.s                    130,000~170,000

 

Curing agent as supplied:

Aspect:                         Viscous black Paste

Gravity, g/ cm3:                         1.0~1.1

Viscosity, mPa.s                    12,000~17,000

 

As mixed:

Color and Consistency                 Black, non-slump paste

Gravity, g/ cm3                         1.3~1.4

Viscosity, mPa.s                        35,000~45,000

Working Time ,Min                     10 to 30 (23°C/75°F, 50% RH)

Tack-Free Time ,Min                   80 to 100 (23°C/75°F, 50% RH)

Corrosiveness                         Non-corrosive

 

AFTER CURED: 23°C±2°C, RH50%±5% 14 days

SERVICE TEMPERATURE:       -50°C to +250°C

No.

Properties

Target

Test method

1

Slump, mm

≤1

GB/T 13477.6-2002

2

Extrudability, s

≤6

GB/T 13477.3-2002

3

Tack-free time, h

≤2

GB/T 13477.5-2002

4

Hardness (Shore)

30~60

GB/T 531-1999

5

Mass loss by heat, %

≤5

GB 16776-2005

6

Tensile

properties

Standard, MPa

≥0.80

GB/T 13477.8-2002

90°C, MPa

≥0.45

GB/T 13477.8-2002

-30°C, MPa

≥1.00

GB/T 13477.8-2002

Flooded, MPa

≥0.45

GB/T 13477.8-2002

Flooded-UV, MPa

≥0.40

GB/T 13477.8-2002

7

Joint Movement Capability,%

±50

ASTM C719

8

Tear Strength, kN/m

≥5

ASTM D0624

9

Peel Strength ,ppi

≥30

ASTM C0794

10

Tensile at 25% Elongation,MPa

≥0.25

ASTMC1135

Tensile at 50% Elongation,MPa

≥0.40

ASTMC1135

11

Elongation at break,%

≥120

ISO 8339

 

APPLICATIONS

JOINLEADER 998 2-Component Structural Silicone Sealant can be used for structural glazing and sealing for glass, stone, aluminum panel curtain wall.

For silicone structural glazing and protective glazing applications.

It can also be used for secondary seal of insulating glass, filling and sealing for complex edge.

 

SHELF LIFE

Part A and B of JOINLEADER 868 each have a shelf life of at least 12 months. If stored in tightly closed original containers in a dry place at temperatures not exceeding 27°C, the “best used before end” date of each lot is shown on the product label. If the material is kept beyond the recommended shelf life, it is not necessarily unusable, but a quality control should be performed on the properties relevant to the application.

 

MAINTENANCE

Maintenance is not necessary. If the seam of sealant is damaged, remove it with solvent. After removing the piled scale, JOINLEADER 998 2-Component Structural Silicone Sealant will conglutinate with solidified silicone sealant.

 

TECHNICAL SERVICE

The complete technical data and presswork can be procured from JOINLEADER and its authorized agent. JOINLEADER provides adhesive and compatible test.

 

COLOR

Part A (Base): White, grey

Part B (Curing Agent): Black

 

PACKAGING

Machine use:

Part A: 180L/185L

Part B: 18L/18.5L

 

Hand use:

Part A: 18L

Part B: 300ml×6

 

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