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Addition cure silicon rubber for artificial stone products

Description: Applications of rtv-2 rtv liquid silicone rubber for concrete molds:
E642# addition molding silicone could be mainly used for making concrete stones, precision molds, PU molds, resin molds, gypsum casting, candle molding, for life casting, fabric finishing, seal for electronic components and solar circuit board, trademark decoration. etc.
Datasheets of rtv liquid silicone rubber for concrete molds
Model E640#
Appearance High Transparent
Mixing Ratio 10:1
Viscosity part A (Mpa.s) 55000±2000
Viscosity part B (Mpa.s) 3500±1000
Viscosity mixed(Mpa.s) 7000 ±1000
Operating time ( Mins 25°C) 20-40mins
Curing time ( Hrs 25°C) 3~12hrs
Hardness (A°) 40-42
Tensile-strength(kgf /cm2 ) 45±3
Tear-strength (Kgf/cm ) 20±3
Elongation-break(%) 280±30
Retractility(%) ≤0.1
Features of rtv liquid silicone rubber for concrete mold
Two-parts, flowable liquid silicon & curing agent.
Can solve the problem of not lighting of the candles and the problem of sticky and white stains on the surface of cement & stone products.
Good tensile strength and tear strength,low shrinkage.
 It gets cured at room temperature 25 0C within 5-7 hours.
An exceptional fluidity and good operability, easy to be demolded.
Suitable for pouring methods of operation for small sized molds making.
Desprition of rtv liquid silicone rubber for concrete molds
E642# addition molding silicone is generally named two-components silicone rubber, Part A and part B. It features an exceptional fluidity and good operability. The mixing ratio is 1:1,mainly be suitable for making molds application.
Q642 addition cure silicone rubber is mainly used for molds making for food grade products. And it is also develop to solve the problem of not lighting of the candles and the problem of sticky and white stains on the surface of cement & stone products.
OPERRATING INSTRUCTION of rtv liquid silicone rubber for concrete molds for garden:
1.Stir part A and part B with right mixing ratio
evenly. And get the mixture for vacuum-
pumping. (If there is no vacuumizer,you can just pour the mixture slowly from the corner so that less bubbles caused).
2. Enclose the product (the original model) with four plastic plates or wooden plates.
3. Clean your products and brush a layer of release agent(detergent or soap water) on your product.
4. Pour the mixture with correct mixing ratio into the model frame.
After about 2-4 hours, when the silicone cured, get out the original model, and there you get a finished addition cured silicone mold .
PACKAGE of liquid silicone rubber for large concrete casting:
Packed in clean 5kg/pail, 25kg/pail, 200kg/pail.
 Certifications: RoHS.MSDS.SGS ISO9001:2000
Place of Origin: Guangdong China
Brand Name: HY silicone rubber
Model Number: HY6,HY7 series rubber for mold making
Shipping Terms: shenzhen port / by sea
Minimum Order Quantity: 200 Kilogram
Packaging Details: 25kg/drum and 200kg/drum
Delivery Time: within 3 days after payment confirmed in our bank.
Payment Terms: L/C,T/T, Western Union, Paypal
Supply Ability: 8 Ton per Day
Any questions for our Silicone Rubber, pls feel free to contact Lydia:
Tel: 86-755-89212380
Mob: +86-18988789546
Facebook: samuelsilicone(at)gmail(dot)com
Skype: samuelsilicone(at)hotmail(dot)com
Placement Date: Aug 10, 2015
Expiration Date: Aug 08, 2020

Company Information

Contact Person: Lydia
City: shenzhen
Country: China China
Local Time:
E-mail: Premium Membership Required (Join Free Today)
Introduction: We are a joint venture specializing in the manufacturing of molding silicon rubber, mold duplicating rubber for resin craft makers ,special silicon for manual molding ,shoe mold rubber, pad printing silicon, silicon oil,107 base ,DMC etc for plastic toys factories, With a product line of tens of categories, we can offer quick copying with precise contraction ratio(up to two thousandth) for mold making to reach the internationally leading quality standard with competitive price is our best ambition that merits your trust.
It is our solemn commitment that any of our products with quality problems will be replaced within 3 months after purchase; we offer on site follow up service for product demonstration, free customer service to solve technical training on pad printing silicon usage and rubber head making. What you need is also what we pursue. We are committed to back you up in producing first class products. Customers old and new and distribution. Let’s join hands and strive for mutual prosperity.
Business Type: Exporter, Manufacturer
Areas of Interest: 1. Agriculture & Farm/Plants
2. Agriculture & Farm/Product Processing
3. General & Leisure Goods/Gifts
4. General & Leisure Goods/Home Supplies
5. Arts & Furniture/Decoration
6. Health & Beauty/Medical
7. Building & Construction/Construction
8. Building & Construction/Stone & Cement
9. Chemicals/Plastics
10. Chemicals/Rubber
11. Raw Materials/Stones
12. Computers & Hardware/Computers
13. Computers & Hardware/Printers
14. Service Industry/Publishing
15. Electronics & Electricals/Appliances
16. Textile & Wear/Textiles
17. Food & Beverages/Food Additives

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