200 - 40,000 kilogram
40,001 - 999,999 kilogram
group nameAddition cure silicone rubber
Min Order200 kilogram
brand nameHong Ye silicone rubber
modelE630
payment methodT/T, L/C, Westem Union
update timeSat, 09 Nov 2013 12:49:17 GMT
Sample Free
Shelf Life 18 months
Certificate ISO9001:2000,FDA,RoHS
Operating time (hour 25 0C ) 0.5
Colour Any
Hardness(shore A) 15-42
Mix Ratio 1;1
Elongation-break(%) 320-520
Curing time(hour) 3-5
Dynamic Viscosity (mPa.s) 8000-14000
Min Order200 kilogram
RTV-2 Addition cure silicon for gypsum molds
1.Descriptionof RTV-2 Addition silicon for gypsum molds :
RTV mold making addition silicone are generally named as two-part addition silicone rubber that vulcanises at room temperature.Part A is a flowable liquid, part B is the curing agent(platinum catalyst). It features an exceptional fluidity ,good operability,excellent physical properties and very low shrinkage.
The mixing ratio between Part A and Part B can be 10:1 or 1:1.
2.Main application of RTV-2 Addition silicon for gypsum molds :
· GRC and Concrete moulding
· PU resin casting
· General Mouldmaking
· Superior manual mold design
3.Main properties of RTV-2 Addition silicon :
· almost nil shrinkage
· high chemical resistance to aggressive components of some types of resins
· good tear strength (this feature ensures higher resistance to wearing and shearing)
· high degree of precision in reproduction
· high dimensional stability over time and non-deformability
· high resistance to high temperatures and ageing (resit to -60-200°C)
· excellent non-stick effect
· environmental, odorless and nontoxic
4.RTV-2 Addition silicon for gypsum molds standard datasheet (25°C)
Product | E-615 | E-620 | E-625 | E-630 | E-642 |
Appearance | Translucent | Translucent | Translucent | Translucent | Translucent |
Hardness(shore A) | 15±2 | 20±2 | 25±2 | 30±2 | 40±2 |
Mix ratio(A:B) | 1:1 | 1:1 | 1:1 | 1:1or 10:1 | 1:1or10:1 |
Viscocity Part A(mPa.s) | 9000±2000 | 11000±2000 | 15000±2000 | 20000±2000 | 55000±2000 |
Viscocity Part B(mPa.s) | 1900±500 | 1900±500 | 1800±500 | 2400±500 | 150±50 |
Tensile strength (MPa) | 6.2 | 6.5 | 6.7 | 7.2 | 7.6 |
Tear-strength (kN/m) | 25 | 26 | 23 | 24 | 22 |
Elongation(%) | 569 | 581 | 480 | 440 | 450 |
Density | 1.05 | 1.05 | 1.07 | 1.13 | 1.14 |
Pot life/working time (mins) | 30-40 | 30-40 | 30-40 | 30-40 | 30-40 |
Curing time/setting time (hrs) | 3-4hrs(25°C) 120-30mins(60°C) | 3-4hrs(25°C) 120-30mins(60°C) | 3-4hrs(25°C) 120-30mins(60°C) | 3-4hrs(25°C) 20-30mins(60°C) | 6-8hrs(25°C) 30-50mins(60°C) |
Shrinkage rate (%) | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 |
5.Package of RTV-2 Addition silicon for gypsum molds :
6.Certificationsof RTV-2 Addition silicon for gypsum molds :
7.Company profile:
We are manufacturer specializing in molding silicone rubber, mold duplicating rubber for resin craft makers, special silicon for manual molding, shoe mold rubber, pad printing silicone, encapsulants and potting compound,addition cure liquid silicone,baby nipple silicone rubber ,lifecasting,food grade silicone rubber, trademark silicone rubber, HTV silicone rubber, lead-zinc alloy crafts silicone rubber, hot stamping silicone plate, hot stamping silicone roller, gross rubber, RTV-2 silicone rubber, silicone molds, silicone products,etc.
Need the price or other information for reference,please feel free to confirm with us some question at first
1) How about the size of your products?
2) Will you make the silicone mold by pouring way or brushing way ?
3) What's the raw material of your products ? Plaster? resin or other?
Then we will according it to recommend the most suitable RTV silicone with the best price for your reference
Any questions, please feel free to contact Mr Lucas:
TEL: 086-755-89212369
FAX: 086-755-89948030
MOBILE:086-18898736056
E-mail: hysj(at)szrl(dot)net
You can also send me E-mail by scanning QR Code below:
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