liquid silicone rubber for tire mold design/ moulding in england

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liquid silicone rubber for   tire mold design

1)Description of  liquid silicone rubber

 Tin-based silicones, also called condensation-cure silicones, are two-component materials which cure at room temperature (RTV) to flexible,

high tear-strength rubbers. Tin cured silicones can be poured onto models or they can be made brushable by adding a thixotropic additive.

They are ideal for molds where easy release or high temperature resistance is required. Tin cured silicones can be used for casting

 polyurethane, epoxy and polyester resins, waxes, all gypsum products and low-temperature metals.

2)Characteristics of liquid  silicone rubber

*low shrinkage (less than 0.1% )

**easy for operation (mixing ratio at 1:1 /10:1)

*very good flow and easy for pouring operation

*high tensile and tear strength with high copy times

*Fast and non-shrink cure at room temperature which can be accelerated considerably by the application of heat

3)Typical Applications of  liquid  silicone rubber

HY- E series addition molding silicone could be mainly used for making concrete

stones, wax molds, PU molds, resin molds, gypsum casting, candle molding and

chocolate , candy and any other FDA food product mold making,prototyping etc.

HY-E620 Silicone Rubberis has been used for years to make tire pattern molds .

4)  Technical Parameters  of liquid   silicone rubber

(Please note: the above data for this product in 25°C temperature, 55percent humidity conditions, for reference.

The accurate data is measured by customers when using.)

5)Operation instruction of liquid  silicone rubber

1. Pls clear the model and tool totally before operation to prevent cure inhibition.

2.Weigh the two part correctly by electronic weight in two separate container .

3. Mixing the two part in 1:1/10:1 and stir part A and part B evenly in 2-3 minutes .

4.And get the mixture for vacuum-pumping for de-air the bubble in around 2-3

minutes . (If there is no vacuum machine, pls pour the mixture carefully and slowly

down the side of the mold frame so that less bubbles caused)

5. Enclose the product (the original model) with four plastic plates or wooden plates.

6. Clean your products and brush a layer of release agent(detergent or soap water) on

your product.

7. Pour the vacuumed mixture into the model frame from the side of the mold frame .

Notice of liquid silicone rubber

As our E-series silicone is platinum cure silicone , which is very easy to cause

cure inhibition , so pls do remember thoroughly clean the model and tool before

operation . Besides , pls avoid the liquid E-series silicone contact or mix with the

following material , otherwise the silicone won’t be cured :

1. Liquid condensation silicone ( condensation silicone not completely cured or organic

tin compounds )

2 .Sulphur, sulfide and sulfur rubber materials.

3. Amine compounds as well as contains the amine materials.

4 .Pewter solder flux. 

pic of liquid  silicone rubber

8-10 months when stored under 24°C in original unopened packages.

PACKAGE:

If ratio is 1:1 :Packed in 20kg/pail + 20kg/pail and 200kg/pail + 200kg/pail.

If ratio is 10:1 :Packed in 20kg/pail + 2kg/pail and 200kg/pail + 20kg

Any question abt Tyre Molding liquid Silicone Rubber please feel free to ask Cindy

Tel: 86-755-89948158

Mob: 86-13266634823

Email:hysg(at)szrl(dot)net

Skype:cindyyeah5