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1.PRODUCT FEATURE OF GNS® HIGH-TEMP 265℃ SILICONE SEALANT
●Use temperature range from -40℃ to +265℃
●Movable seams fit
●Excellent adhesion to glass, brick, metal, ceramic, enamel, impregnated or painted wood and laminate, etc.
●Sealing of engine and transmission components and accessories.
2.PRODUCT PARAMETER (SPECIFICATION) OF HIGH-TEMP 265℃ SILICONE SEALANT
| Test Parameter | Unit | Result |
| As Supplied Tested at 23℃ and 50% RH | ||
| Specific Gravity | g/ml | 0.98±0.02 |
| Flow (sag or slump) | mm | 0 |
| Extrusion Rate | ml/minute | 130 |
| Skin Time | minute | 5~10 |
| Tack-free Time | hour | ≤1.0 |
| Curing time (5mm) | hour | ≤8 |
| As Cured-after 21 days at 23℃ and 50% RH | ||
| Durometer Hardness, Shore A | Points | 30 |
| Movement Capability | % | ±25 |
| Tensile/Modulus at 50% Elongation | Mpa | 0.32 |
| Tensile/Modulus at 100% Elongation | Mpa | 0.38 |
| Ultimate Tensile Strength | Mpa | 0.45 |
| Ultimate Elongation at Break | % | 300 |
3.APPLICATION OF GNS® HIGH-TEMP 265℃ 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.
4.STORAGE AND SHELF LIFE OF GNS® HIGH-TEMP 265℃ 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.
5.PACKING, SHIPPING AND SERVING OF HIGH-TEMP 265℃ 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.
6.FAQ
Q: What’s the reason that after used Neutral silicone sealant, there are some bubble on the surface?
A: When use the silicone sealant into the gap, the gap is damp, after the sunlight contact, it will make the steam effect the un-cured silicone sealant. That’s the reason why there are some bubble on the silicone surface.
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.
