Raw materials
RTV molding silicone rubber for plaster products |
Model |
Color |
Mixing ratio (%) |
Pot life (mins) |
Demould time ( hrs) |
Hardness ( A0 ) |
Tensile-strength |
Tear-strength |
Viscosity (mPas) |
Shrinkage rate (%) |
Elongation (%) |
630# |
white |
100 : 5 |
30-40 |
3-5 |
29-31 |
49kgf/cm2 |
≥ 33kgf/cm |
27000 |
≤0.3% |
490% |
Dowcorning3481 |
white |
100 : 5 |
30-45 |
5-6 |
22-25 |
4.6Mpa |
23kN/m |
25000 |
≤0.5% |
520% |
Bluestar (3325 /585) |
white |
100 : 5 |
20-60 |
6-24 |
25-28 |
4.2Mpa |
26kN/m |
35000 |
≤0.7% |
440% |
Wacker®M4503 |
white |
100 : 5 |
30-90 |
10-20 |
25 |
5.0(N/mm² |
> 20N/mm |
40000 |
≤0.5% |
350% |
SmoothonMoldMax®25 |
white |
100 : 5 |
45 |
24 |
25 |
577psi |
130pli |
25000 |
002 in./in. |
375% |
RTV molding silicone rubber for plaster products operation way:
Step One: Take 100g of part A and add 2g of part B and mix the silicone rubber and curing agent evenly.
Step Two: vacuum pumping.Without exception, this step takes less than 10 minutes.
Note: The time for vacuum-pumping should be less than 3—5 mins , otherwise, once the silicone rubber has cross-link reaction during vacuumizing, it will not be operated.
Step Three: Brushing cast & Perfusion Molding operation
RTV molding silicone rubber for plaster products frequently asked question:
Why is the silicone rubber mold oily?
Basically, molding silicone rubber doesn't contain any oil, so it won't be oily. The reasons for the oily molds can be deducted from the below 3 factors:
1. Added white oil, which is the compound of silicone oil and white oil. The white oil is not silico ne oil but a kink of petrochemicals;
2. Added too much silicone oil. Normally, we donot advise our customers to add any silicone oil into silicone rubber. If necessary, the ratio must be 5%-10%;
Good deal: buying from seller
This page is about importers and exporters of RTV molding silicone rubber for plaster products Search in a category : Raw materials Search in a category : products, silicone, molding, rubber, plaster |
Tuesday, February 26, 2019
Quantity : 200ton - Price : 700usd
We have available for export are Sisal Fibre of UG grade and SSUG. sisal fibre: Grade A and Grade B Length: 110cm-130cm Moisture: 10%-13% Impurity: 0-2% max Color: natural white or mixed with natural cream We take pride in quality of our fibre and we are ready to assist you and offer...
Thursday, June 16, 2022
Quantity : 100
Concentrez-vous sur votre travail et éliminez les distractions. Découvrez l'ensemble sans fil silencieux MK295 doté de SilentTouch, une technologie exclusive de Logitech qui élimine plus de 90 % des bruits du clavier et de la souris. Vous bénéficiez de la même sensation de frappe...
Sunday, May 12, 2024
Price : 7,20 €
Découvrez les avantages rajeunissants de la technologie EMS avec le tapis de massage des pieds électrique automatique Herzberg EMS, conçu pour stimuler vos pieds, vos chevilles, vos tendons d'Achille et vos muscles des mollets pour améliorer la circulation sanguine et la relaxation...