OB21 Professional Builders Universal Silicone 310ml is a premium grade, low modulus, neutral curing silicone for internal and external use. This white silicone provides excellent adhesion to most common building substrates and accommodates joint movement of +/- 25%. It is resistant to mould, UV, water and weather and is non-corrosive towards metals.

Brand Name	OB1
Colour	White
Material	Silicone
Type	Silicone
Protects From	UV, water and weather
Waterproof	Yes

Solvent-free, low modulus silicone for robust and reliable sealing. Works on expansion joints in concrete, brickwork, connection joints, glazing, kitchens, bathrooms and industrial applications. Water, UV and weather-resistant. Bonds without primer on most substrates. Non-corrosive towards metals.

Brand Name	OB21
Colour	Clear
Base Type	Silicone
Interior/Exterior Use	Interior & Exterior
Label Info 2: Hazard Statements	EUH208 Contains.... May produce an allergic reaction.H412 Harmful to aquatic life with long lasting effects.
Label Info 3: Precautionary Statements	P101 If medical advice is needed, have product container or label at hand.P102 Keep out of reach of children.P273 Avoid release to the environment.P501 Dispose of contents/container to …
Label Info 4: Supplementary Label Info	Contains 3-aminopropyltriethoxysilane & 2-octyl-2H-isothiazol-3-one [OIT]. May produce an allergic reaction. Small amounts of methanol (CAS 67-56-1) are formed by hydrolysis and released upon curing. Small amounts of ethanol (CAS 64-17-5) are formed by hydrolysis and released upon curing. Small amounts of 2-Pentanone oxime (CAS 623-40-5) are formedby hydrolysis and released upon curing. Harmful to aquatic life.
Label Info 6: Additional Hazard Info	Always read and follow the information on the product label.
Manufacturer Guarantee	1 Year Guarantee
Model Name	Professional Builders
Pack Size	1
Parent Colour	Clear
Pieces in Pack/Case	1
Product Type	Universal Silicone
Sealant Product Type	General Purpose
Sealant/Adhesive Container Type	Cartridge
Solvent Free	Solvent-Free
Vocs Grams Per Litre	40.8 g/l
Volume	310 ml