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Olive C-25m – Neutral wood silicone

Olive C-25m – Neutral wood silicone is a one-part, low modulus neutral-curing, ready-to-use silicone elastomer suitable for weather-sealing in construction applications. It cures at room temperature in the presence of air moisture to give a flexible and strong seal. OLIVE C-25m preserves all properties of elasticity and adherence with no aging problems, remaining stable in front of atmospheric agents OLIVE C-25m is available in several wood colors.

Product Type: 1K (1 component) Sealant

Compatible Substrates & Surfaces: Aluminum, Brick, Ceramic, Concrete, Glass, Metal, Plastics, Wood

Cure Method: Air Dry

Application Method: Gun

Chemical Family: Silicones

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Identification & Functionality

Chemical Family
Basis
Neutral Oxime Silicone
Consistency
Non-Slump Paste

Features & Benefits

Benefits
  • Wood color appearance.
  • Low modulus and high elasticity.
  • Excellent adhesion to a wide range of substrates without priming.
  • UV radiation, weather and aging resistant
  • Extremely long service life.
  • Low odor.
  • Non-corrosive.

Applications & Uses

Application Method
Cure Method
Fields of Applications
  • Suitable as a joint sealant on porous and non-porous substrates including concrete, masonry, brick, aluminum, PVC, glass, ceramics and most plastics.
  • Provide a color matched seal between walls and imitation wood window/ door frames.
  • Sealing of joints between wooden floors and walls.
  • Perimeter and connection joints in aluminum, wood and PVC carpentry.
Direction for Use

Surface preparation and sealant application:

Cleaning and joint preparation:
Substrates joint flanks) must be clean, dry, and free of dust, grease and other contaminant which may affect the adhesion. Non
porous surfaces (such as aluminum, glass, etc.) should be cleaned with a suitable solvent and thoroughly dried with a clean cloth.
Porous substrates (such as concrete, brickwork, etc.) must be mechanically cleaned from loose particles. Mask off the joint edges.
Primer
OLIVE C-25m adheres to most common construction materials without primer. However, a preliminary adhesion test is recommended
on every surface. Sometimes, it may be necessary to treat the joint surfaces with a primer to obtain better adhesion performances.
 

Product Application
Olive PRIMER 10
Porous surfaces. (e.g. concrete, cement, marble, natural and artificial stone, etc.)
Olive PRIMER 20:
Non-porous surfaces. (e.g. aluminum, iron, stainless steel, zinc, copper, brass, painted surfaces and most plastics)
Olive PRIMER 80DS:
All surfaces. Substrates exceptionally difficult to adhere on.


Inserting backing material
Use the closed cell polyethylene backer foam OLIVE CORDON CELULAR as a back-up material to limit the sealant joint depth and avoid the sealant to adhere to the joit base. Choose the right backing strip diameter (at least 25% wider than the joint width).
Silicone sealant application
After substrate preparation, apply the sealant with a professional caulking gun, evenly and without bubbles. Observe the eventually used primer's open time before filling the joint.

Remarks
Do not use OLIVE C-25m on bituminous substrates or on building materials which might bleed oils, plasticizers or solvents. (e.g. natural rubber, chloroprene, EPDM).
There is no adhesion to PE, PP, PTFE (Teflon®). Due to the wide variety of possible substrates, we recommend a preliminary compatibility test.
OLIVE C-25m cannot be overpainted.
Not intended for structural glazing.

Joint Design

Expansion joints should be correctly dimensioned taking account of dimensional changes in the substrates due to thermal filuctuations. Joint's dimensions should match with the sealant movement capability, with a maximum permitted value of 25%

Use closed cell polyethylene backer foam (Olive Backer Rod) as a back-up material to
limit the sealant joint depth and avoid three-sided adhesion.

The following general rules/recommendations should be followed

General statement:

The ideal joint has a 2:1 width: depth ratio

Minimum joint dimensions

5-6mm width x 5-6 mm depth.

Up to 12 mm wide: Width = depth
From 12mm to 24mm wide Depth = ½ width
Wider than 24mm

Depth = 12-15mm

Expansion joints should not be wider than 50mm

 

Olive C-25m – Neutral wood silicone - Joint Design

Properties

Physical Form
Physical Properties
ValueUnitsTest Method / Conditions
Specific Gravityapprox. 1.24g/mlISO 2811-1
Mechanical Properties
ValueUnitsTest Method / Conditions
Hardnessapprox. 26Shore AISO 7619-1
Tensile Modulus of Elasticity (100%, 2 mm thickness, S2 dumbbells, 7 days, 23°C: 50% R.H.)0.5MpaISO 37
Tensile Strength (2 mm thickness, S2 dumbbells, 7 days, 23°C: 50% R.H.)1.3MpaISO 37
Tensile Elongation at Break (2 mm thickness, S2 dumbbells, 7 days, 23°C: 50% R.H.)550.0%ISO 37
Tensile Modulus of Elasticity (100%, 12x12x50 mm joint, 28 days, 23°C: 50% H.R.)0.55MpaISO 8339
Tensile Strength (12x12x50 mm joint, 28 days, 23°C: 50% H.R.)0.65MpaISO 8339
Tensile Elongation at Break (12x12x50 mm joint, 28 days, 23°C: 50% H.R.)225.0%ISO 8339
Typical Properties
ValueUnitsTest Method / Conditions
Tack Free Time (23ºC: 50% R.H.)approx.5minutesOQ.06-internal
Skin Forming Time (23°C, 50% R.H.)approx. 10MinutesOQ.16-internal
Curing Rateapprox. 3mm/24 hOQ.18-internal
Resistance to Flow (5ºC and 50ºC)0.0mmISO 7390
Loss of Volume (60% Elongation)min. 85%ISO 10563
Elastic Recovery12.5%ISO 7389
Movement Capabilitymax. 25%ISO 11600
Total VOC Contentapprox. 115g/lSCAQMD rule 1168
Application Temperature5-40ºC
Service Temperature-40 to +150ºC

Regulatory & Compliance

Environmental Regulations
  • French VOC-emission class A+.
  • Conforms to LEED® IEQ-credits 4.1 (Indoor Environmental Quality) adhesives and sealants.
Product Certifications

Olive C-25m meets the following specifications

  • ISO 11600-F 12,5E.
  • CE marking: EN 15651-1 F-EXT-INT-CC
  • EN 15651-2 G-CC

Safety & Health

Safety

Use in well-ventilated areas, avoiding contact with skin and eyes. Keep out of the reach of children. Information relating to the safety of the product is available on the safety data sheet (SDS) Before using the product, we advise you to carefully read the SDS and the safety labels.

Packaging & Availability

Packaging Type
Packaging Information

This product is available in 300ml cartridges and 600ml sausages. Other packaging is available under request.

Storage & Handling

Storage

The shelf life is 12 months in its unopened original packaging, in dry conditions and protected from direct sunlight at temperatures between +5ºC and +25ºC.