1.PRODUCT FEATURE OF GNS® PROFESSIONAL ROOF SILICONE SEALANT
●One part, can be easily used and extruded with common caulking guns.
●Excellent adhesion to most construction materials without the primmer.
●Outstanding weatherproofing ability, resisting to ultraviolet ray (UV), ozone, snow or temperature extremes.
●Neutral cure, non-acidic, will not corrode metal or other corrosion-sensitive material.
2.TYPICAL PROPERTIES OF GNS® PROFESSIONAL ROOF SILICONE SEALANT
|As Supplied Tested at 23℃ and 50% RH|
|Flow (sag or slump)||mm||0||0|
|Extrusion Rate Skin Time||ml/minute minute||100 5~10||123 ≤80|
|Curing time (5mm)||hour||≤12||≤15|
|As Cured-after 21 days at 23℃ and 50% RH|
|Durometer Hardness, Shore A||Points||28||36|
|Tensile/Modulus at 50% Elongation||Mpa||0.27||0.52|
|Tensile/Modulus at 100% Elongation||Mpa||0.35||0.68|
|Ultimate Tensile Strength||Mpa||0.37||0.84|
|Ultimate Elongation at Break||%||175||400|
3.APPLICATION AREAS OF PROFESSIONAL ROOF SILICONE SEALANT
●For metal (aluminum, copper, brass and zinc) and tile roofing
●All metal lap-joint waterproofing
●Colorbond roofs and fences
●Rigid PVC and most plastics including polystyrene
●Skylights, canopies and general glazing
●Guttering and flashing
●Vents and downpipes
●Weatherproofing caravans and trucks
4.APPLICATION OF PROFESSIONAL ROOF SILICONE SEALANT
--Thoroughly clean and dry surface from oil, dirt and grease. Allow to dry completely before applying silicone.
--Cut the seal at the top of the cartridge and cut the nozzle at a 45° angle, to the size of the gap opening. Screw the nozzle to the top of the cartridge.
--Place the cartridge into a caulking gun.
--Hold the caulking gun at a 45° angle. Press the nozzle opening against the joint, apply steady pressure to the caulking gun and extrude the silicone sealant forcing the sealant into the gap and move in a pushing motion, along the joint in one smooth action.
--Sealant will cure fully in 48 hours. As this point any unwanted sealant can be removed by trimming with a sharp blade, but avoid under cutting the seal.
5.STORAGE AND SHELF LIFE OF PROFESSIONAL ROOF SILICONE SEALANT
12 months from manufacture date when store in cool dry locations below 25℃, keep away from heat source and direct sunlight during storage.
6.PACKING, SHIPPING AND SERVING OF PROFESSIONAL ROOF SILICONE SEALANT
Packing: 220ml to 300ml of cartridge, 590ml 600ml of sausage, 190L of drum. 24 ctgs/ctn of cartridge, 20 pcs/ctn of sausage. (For special specifications, please contact us.)
Shipping: Sea, air or land transportation
Serving: We provide free design service, and you’ll get excellent after-sales service, we committed to solving any problems that may occur when you use our products.
Q: What’s the impact of silicone sealant with bubble?
A. No bubble on the silicone sealant surface is a common performance for a good quality PU foam; if the silicone sealant has bubble, the silicone rubber is easy to break after curing.Q: Except for silicone sealant, what other products you can provide us together?
A: We also produce the PU Foam, MS Sealant, Marble Glue, Two-component epoxy adhesive, Two-component insulating foam.