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【Components】
Geliahao acidity silicone sealant (HL-641) is one component,
room temperature vulcanization sealant synthesized by
advanced technology. Its major ingredient is silicone
rubber and other ingredients are tonic, crosslinking agent,
antioxidant, accelerate and plasticizer, etc.
【Applications】
◆ Can be used for installment of door and window of construction
and automobile, etc. Also used for bonding glass.
◆ Can be used for second process of insulating glass.
◆ Can be used for bonding stuffing, protective layer and
apparatus, which needs heat, freeze resistance, insulating,
and waterproof and shock resistance.
◆ Can replace rubber gasket, asbestos gasket, and cork
and paper gasket. Also used for seal of cover joint and
power-generating equipment plane flanges, automobile,
motorcycle, pipeline.
◆ Can not use as structure sealant. Not suit for concrete,
cement, brick, limestone, lead, zinc and galvanized steel. |
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【Performance】
◆ The product is one component, decarboxylation, room temperature,
high-speed vulcanization silicone sealant with the characters
such as thixotropy, easiness to squeeze, flowfullessness and
convenient operation.
◆ Good ozone, radiation, weather-aging resistance, electric
property. Not easy to flame.
◆ High and lower temperature resistance. The sealant can keep
good elasticity and strength at -60--250℃. It can be used
continuously under 200 ℃ and be used discontinuously at 250℃.
◆ Good water diluted acid, diluted alkali, motor oil, gear
oil resistance, etc.
◆ Can be used extensively for most construction materials
such as glass, aluminum, ceramic tile, and enamel, wood without
oil.
◆ The sealant changes into mid-modulus permanent elastomer,
which can bear the displacement equal to 20 percent width
of joint seam with good leakage, antiknock characteristics
and shock resistance.
◆ Red, fine and uniform cream without poisons.
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【Specification】
| Type |
Specification |
Gross weight(Kg) |
Net weight(Kg) |
Figuration size(mm) |
| RTV1641 |
45g×50box |
3.39 |
2.25 |
245×195×283 |
| RTV1641 |
85g×20box |
2.64 |
1.7 |
295×210×150 |
| RTV1652 |
300mL×25 |
12.0 |
9.75 |
290×270×255 |
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【Operation instructions】
◆ Clean the stains on the joint surface such as water, grease,
dust. You can use some solvent (like dimethyl benzene, butanone)
to help clean surface. Then wipe the remains with neat rag
to make it as clean and dry as possible.
◆ Cover near the joint surface with rubberized tape to ensure
the operation fine and neat.
◆ Cut open tube mouth, set up sharp-mouth tube which is cut
open at the angle of 45°according to measurements of stitch
.
◆ After installing adhesive-pressing gun, press out the adhesive
along the stitch at 45°to ensure contact tightly between adhesive
and materials. It is required to repaint the surface more
times, if the joint stitch is bigger than 15 mm. Trim the
surface with cutting tools to remove the unwanted adhesive.
Last, tear the rubberized rape. If there are still some stains,
you can wipe them with wet rag.
◆ Sealant appearance vulcanizes after 10 minutes, at room
temperature. It will take 24 hours or more to vulcanize completely
according to thickness of adhesive painted, ambient temperature
and humidity.
◆ can be used directly if its package is soft metal tube after
taking off the cap. If you want to use it as gasket, you can
paint directly based on shape of components in machine. After
airing it 10-20 minutes at room temperature, you can begin
to install.
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【Notes】
◆ The sealant is acid. Keep ventilating when using a large
amount of adhesive.
◆ Avoid your skin touching sealant for long time. In case
of eye contact, flush with water or see a doctor.
◆ Not to be taken orally, keep out of the reach of children.
◆ After using, you should push the sealant a little, then
screw the cap if its package is soft metal tube. It is ok
to remove the curing adhesive on the edge of tube mouth, when
you use it again.
◆ Transport and as non-dangerous product. Store at low temperature
and keep dry. Suggest using during six months.
◆ Read the operation instructions before using the adhesive.
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【Performance data】
| Appearance |
Red fine and uniform cream |
| Vulcanization type |
decarboxylation |
| after curing |
Mid-modulus |
| Operation temperature ℃
|
5~35 |
| Top vulcanization time(rt.)
min |
10~20 |
| Completely cure
mm/day |
1~2 |
| Use temperature
℃ |
-60~250 |
| Shore hardness
A |
≥20 |
| Tensile strength
MPa |
≥1.0 |
| Breaking extension
percentage % |
≥300 |
pressure resistance
room temperature
80±5
150±5℃
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≥7.85
≥6.86
≥6.86 |
Resistance
%
distilled water
20 machine oil
70# vehicle gasoline |
-5~+5
-5~+5
-5~+5 |
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