OLV4900 Low Modulus High Movement Weatherproofing Silicone Sealant

Short Description:

OLV4900 Low Modulus High Movement Weatherproofing Silicone Sealant is one component, low modulus, neutral oxime cured weatherproof silicone sealant for acrylic sealing exclusively. Adhere to acrylic panel without prime coat. Meet the demand of joints of acrylic swimming pool where could sustain water pressure from 10-meter. Meet the demand of long term soaking in water for aquarium. With remarkable properties of weatherproof, ageing resistance and long service life. Can withstand erosion of UV radiation, ozone, rainwater and hail. It can maintain good performance in temperature range 40°C-150°C after fully cured.

Add: NO.1, AREA A, LONGFU INDUSTRY PARK, LONGFU DA DAO, LONGFU TOWN,SIHUI,GUANGDONG, CHINA

Tel: 0086-20-38850236

Fax: 0086-20-38850478

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Product Detail

Product Tags

Main purposes

1. It’s for exclusive use for lap joint and but joint sealing for acrylic panel and non-structural glass curtain wall;
2. On joint sealing of various aluminum and aluminum sheet curtain wall and etc.;
3. On joint sealing of concrete, tile, ceramics, plastics and plate metals;
4. And other construction sealing.

Characteristics

1. One-component, neutral-cured with excellent adhesion, weatherability and elasticity for weather sealing in curtainwall and building facades;
2. Excellent weatherability and high resistance to ultraviolet radiation, heat and humidity, ozone and temperature extremes;
3. With good adhesion and compatibility with most building material;
4. Remain flexible over a temperature range of -40⁰C to 150⁰C.

Application

1. Clean with solvents such as toluene or acetone to keep the substrate surfaces completely clean and dry;
2. For better appearance cover outside of joint areas with masking taps before application;
3. Cut nozzle to desired size and extrudes sealant to joint areas;
4. Tool immediately after sealant application and remove masking tape before sealant skins.

Limitations

1. Unsuitable for curtain wall structural adhesive;
2. Unsuitable for the airproof location, because it is required to absorb moisture in air to cure for the sealant;
3. Unsuitable for the frosty or moist surface;
4. Unsuitable for the continually soggy place;
5. Can’t be used if the temperature is below 4°C or above 50°C on the surface of the material.

Shelf life: 12 months if keep sealing, and stored below 27⁰C in cool, dry place after the date of production.
Volume: 300ml

Technical Data sheet(TDS)

The following data are only for reference purpose, not intended for use in preparing specification.

OLV4900 Low Modulus High Movement Weatherproofing Silicone Sealant
Performance		Standard	Measured Value	Testing Method
Test at 50±5% RH and temperature 23±2℃:
Density (g/cm³)		1.3-1.4	1.35	GB/T 13477.2-2002
Skin-Free Time (min) 25℃,50%RH		≤60	15	GB/T 13477.2-2002
Extrusion (g/5s)		8-25	10	GB/T 13477.4-2002，0.4MPa，25℃，3mm
Slumpability (mm) vertical 50±2℃		≤3	0	GB/T 13477.6-2002
Slumpability (mm) horizontal 50±2℃		≤3	0	GB/T 13477.6-2002
Curing Speed (mm/24h)		3-5	3.5	/
As Cured -After 21 days at 50±5% RH and temperature 23±2℃:
Tensile Adhesive Strength (Mpa) 23℃		》0.6	0.6	GB/T 13477.10-2017
Failure Area of Adhesiveness %23℃		≤5	0
Elongation of Rupture (%)		》400	600	GB/T 13477.10-2017
Hardness (Shore A)		20-40	22	T/FSI 015-2019 4.3.4
Mass Loss (%)		≤8	2.93	GB/T 13477.19-2017
Elastic Recovery Rate (%)		》70	87	GB/T 13477.17-2017
Tear Strength (KN/m)		》4	4.2	GB/T 529-2017
Tensile Strength under Standard Conditions (Mpa)		/	0.6	GB/T 13477
Movement Capability (%)		/	+100, -50
Storage	12 Months