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SILPURAN® 6760/50 A/B

Liquid silicone rubber of the SILPURAN® 6760 series is a paste-like, easily-pigmentable two-component compound with a very short curing time and good mechanical and electrical properties. Vulcanizates are noted for their self-adhesive properties to various substrates combined with a low coefficient of friction. SILPURAN® 6760/50 A/B is designed for medical applications in compliance with the WACKER SILICONES HEALTH CARE POLICY including implantation for < 30 days.


Properties

SILPURAN® 6760/50 A/B meets selected test requirements of ISO 10993 and United States Pharmacopoeia (USP) Class VI. It is designed for medical applications in compliance with the WACKER SILICONES HEALTH CARE POLICY including implantation for < 30 days and is particularly suitable for the economical production of large series of injection molded articles.
SILPURAN® 6760/50 A/B is a primerless selfbonding grade that adheres to various thermoplasts (e.g. PA, PBT) and metals. The bonding is improved by an ageing process (e.g. one hour at 100 °C) or by a longer storage at room temperature. Because of the individual surface properties each substrate must be tested before starting mass production. If necessary, one has to check the development of adhesive properties over time and/or in an environment relevant to the application.

Compared to the SILPURAN® 6000 series the coefficient of friction of an article of SILPURAN® 6760 is reduced by 50 - 70 %.

At service temperatures above approx. 180 °C the addition of heat stabilizers is recommended. Further information about an improvement of the heat stability by use of specific ELASTOSIL® Color Pastes FL can be obtained from the Technical Information Sheet "ELASTOSIL® Color Pastes FL" or the latest edition of our brochures.

Specific features of SILPURAN® 6760/50 A/B

  • Food-contact
  • Less self-healing
  • Low coefficient of friction
  • Reduced volatile content
  • Self-adhesive

The following studies were performed on vulcanizates of SILPURAN® 6760/50 A/B according to ISO 10993:
    - Cytotoxicity (ISO 10993-5)
    - Sensitation LLNA (ISO 10993-10)
    - Pyrogenicity (ISO 10993-11)

The following studies were performed on vulcanizates of SILPURAN® 6760/50 A/B according to USP class VI:
    - Acute systemic toxicity
    - Intracutaneous toxicity
    - Implantation test
No adverse effects have been detected at any of the studies performed.

Properly cured and post-cured vulcanizates of SILPURAN® 6760/50 A/B can be used for food contact applications and are suitable for use under the Recommendation "XV. Silicones" of the BfR and FDA 21 CFR §177.2600 "Rubber Articles Intended for Repeated Use" considering any given limitations on extractable and volatile substances.

The A and B components are delivered ready to use in 20 kg pail kits. With adequate metering equipment, they can be pumped directly from the original containers into the injection molding machine and mixed by a static mixer. The mixing ratio is 1 : 1. At room temperature, mixtures of A and B components have a pot life of at least three days.

For detailed information please refer to the latest edition of our brochure "SOLID AND LIQUID SILICONE RUBBER - MATERIAL AND PROCESSING GUIDELINES".

Packaging

This product is available in 20 kg pail kits.
SILPURAN® is neither produced nor packed under sterile conditions, so the final product has to be sterilized prior to use, if necessary.

Storage

Once opened, containers should always be resealed after use to prevent the platinum catalyst from being poisoned by amines, sulphur or phosphorus compounds. For detailed information about storage conditions please refer to the latest edition of our brochure "SOLID AND LIQUID SILICONE RUBBER - MATERIAL AND PROCESSING GUIDELINES".
The 'Best use before end' date of each batch is shown on the product label. Storage beyond the date specified on the label does not necessarily mean that the product is no longer usable. In this case however, the properties required for the intended use must be checked for quality assurance reasons.

Sales and support

Wacker Metroark Chemicals Pvt Ltd.
D.H. Road, Chandi
Kolkata 743503
India
+91  33  24072-100 (Phone)
+91 33 24072-502  (Fax)
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Products Technical data
Appearance Hardness Shore A Tensile strength Elongation at break Tear strength Compression Set
ELASTOSIL® eco LR 5040/20 A/B slightly bluish slightly bluish 20[1] 20[1] 7.9 N/mm²[2] 7.9 N/mm²[2] 890 %[3] 890 %[3] 33 N/mm[4] 33 N/mm[4] - -
ELASTOSIL® eco LR 5040/30 A/B slightly bluish slightly bluish 30[1] 30[1] 8.6 N/mm²[2] 8.6 N/mm²[2] 860 %[3] 860 %[3] 32 N/mm[4] 32 N/mm[4] - -
ELASTOSIL® eco LR 5040/40 A/B slightly bluish slightly bluish 40[1] 40[1] 9.0 N/mm²[2] 9.0 N/mm²[2] 580 %[3] 580 %[3] 38 N/mm[4] 38 N/mm[4] - -
ELASTOSIL® eco LR 5040/50 A/B slightly bluish slightly bluish 50[1] 50[1] 9.1 N/mm²[2] 9.1 N/mm²[2] 490 %[3] 490 %[3] 54 N/mm[4] 54 N/mm[4] - -
ELASTOSIL® eco LR 5040/60 A/B slightly bluish slightly bluish 60[1] 60[1] 9.0 N/mm²[2] 9.0 N/mm²[2] 380 %[3] 380 %[3] 50 N/mm[4] 50 N/mm[4] - -
ELASTOSIL® eco LR 5040/70 A/B slightly bluish slightly bluish 70[1] 70[1] 9.5 N/mm²[2] 9.5 N/mm²[2] 370 %[3] 370 %[3] 36 N/mm[4] 36 N/mm[4] - -
ELASTOSIL® LR 34004/50 A/B white white 50[1] 50[1] 7.8 N/mm²[2] 7.8 N/mm²[2] 450 %[3] 450 %[3] 26 N/mm[4] 26 N/mm[4] - -
ELASTOSIL® LR 5040/20 A/B slightly bluish slightly bluish 20[1] 20[1] 7.9 N/mm²[2] 7.9 N/mm²[2] 890 %[3] 890 %[3] 33 N/mm[4] 33 N/mm[4] - -
ELASTOSIL® LR 5040/30 A/B slightly bluish slightly bluish 30[1] 30[1] 8.6 N/mm²[2] 8.6 N/mm²[2] 860 %[3] 860 %[3] 32 N/mm[4] 32 N/mm[4] - -
ELASTOSIL® LR 5040/40 A/B slightly bluish slightly bluish 40[1] 40[1] 9.0 N/mm²[2] 9.0 N/mm²[2] 580 %[3] 580 %[3] 38 N/mm[4] 38 N/mm[4] - -
ELASTOSIL® LR 5040/45 A/B slightly bluish slightly bluish 45[1] 45[1] 9.0 N/mm²[2] 9.0 N/mm²[2] 580 %[3] 580 %[3] 41 N/mm[4] 41 N/mm[4] - -
ELASTOSIL® LR 5040/50 A/B slightly bluish slightly bluish 50[1] 50[1] 9.1 N/mm²[2] 9.1 N/mm²[2] 490 %[3] 490 %[3] 54 N/mm[4] 54 N/mm[4] - -
ELASTOSIL® LR 5040/60 A/B slightly bluish slightly bluish 60[1] 60[1] 9.0 N/mm²[2] 9.0 N/mm²[2] 380 %[3] 380 %[3] 50 N/mm[4] 50 N/mm[4] - -
ELASTOSIL® LR 5040/70 A/B slightly bluish slightly bluish 70[1] 70[1] 9.5 N/mm²[2] 9.5 N/mm²[2] 370 %[3] 370 %[3] 36 N/mm[4] 36 N/mm[4] - -
SILPURAN® 6000/05 A/B transparent transparent 5[1] 5[1] 2.5 N/mm²[2] 2.5 N/mm²[2] 700 %[3] 700 %[3] 6 N/mm[4] 6 N/mm[4] - -
SILPURAN® 6000/10 A/B transparent transparent 10[1] 10[1] 4.2 N/mm²[2] 4.2 N/mm²[2] 740 %[3] 740 %[3] 13 N/mm[4] 13 N/mm[4] 15 %[5] 15 %[5]
SILPURAN® 6000/20 A/B transparent transparent 20[1] 20[1] 8.0 N/mm²[2] 8.0 N/mm²[2] 850 %[3] 850 %[3] 21 N/mm[4] 21 N/mm[4] 17 %[5] 17 %[5]
SILPURAN® 6000/30 A/B transparent transparent 30[1] 30[1] 8.6 N/mm²[2] 8.6 N/mm²[2] 650 %[3] 650 %[3] 25 N/mm[4] 25 N/mm[4] 13 %[5] 13 %[5]
SILPURAN® 6000/40 A/B transparent transparent 40[1] 40[1] 9.6 N/mm²[2] 9.6 N/mm²[2] 600 %[3] 600 %[3] 29 N/mm[4] 29 N/mm[4] 11 %[5] 11 %[5]
SILPURAN® 6000/50 A/B transparent transparent 50[1] 50[1] 10.0 N/mm²[2] 10.0 N/mm²[2] 480 %[3] 480 %[3] 30 N/mm[4] 30 N/mm[4] 14 %[5] 14 %[5]
SILPURAN® 6000/60 A/B transparent transparent 60[1] 60[1] 10.0 N/mm²[2] 10.0 N/mm²[2] 350 %[3] 350 %[3] 27 N/mm[4] 27 N/mm[4] 14 %[5] 14 %[5]
SILPURAN® 6000/70 A/B transparent transparent 70[1] 70[1] 9.5 N/mm²[2] 9.5 N/mm²[2] 290 %[3] 290 %[3] 22 N/mm[4] 22 N/mm[4] 11 %[5] 11 %[5]
SILPURAN® 6600/40 A/B transparent transparent 40[1] 40[1] 9.4 N/mm²[2] 9.4 N/mm²[2] 550 %[3] 550 %[3] 32 N/mm[4] 32 N/mm[4] 14 %[5] 14 %[5]
SILPURAN® 6600/50 A/B transparent transparent 50[1] 50[1] 8.9 N/mm²[2] 8.9 N/mm²[2] 440 %[3] 440 %[3] 31 N/mm[4] 31 N/mm[4] 13 %[5] 13 %[5]
SILPURAN® 6600/60 A/B transparent transparent 60[1] 60[1] 9.0 N/mm²[2] 9.0 N/mm²[2] 310 %[3] 310 %[3] 26 N/mm[4] 26 N/mm[4] 14 %[5] 14 %[5]
SILPURAN® 6610/40 A/B white white 40[1] 40[1] 7.2 N/mm²[2] 7.2 N/mm²[2] 510 %[3] 510 %[3] 22 N/mm[4] 22 N/mm[4] 12 %[5] 12 %[5]
SILPURAN® 6610/50 A/B white white 50[1] 50[1] 8.0 N/mm²[2] 8.0 N/mm²[2] 450 %[3] 450 %[3] 25 N/mm[4] 25 N/mm[4] 12 %[5] 12 %[5]
SILPURAN® 6610/60 A/B white white 60[1] 60[1] 7.0 N/mm²[2] 7.0 N/mm²[2] 300 %[3] 300 %[3] 20 N/mm[4] 20 N/mm[4] 15 %[5] 15 %[5]
SILPURAN® 6700/40 A/B transparent transparent 40[1] 40[1] 8.2 N/mm²[2] 8.2 N/mm²[2] 640 %[3] 640 %[3] 23 N/mm[4] 23 N/mm[4] 40 %[6] 40 %[6]
SILPURAN® 6700/50 A/B transparent transparent 50[1] 50[1] 8.5 N/mm²[2] 8.5 N/mm²[2] 590 %[3] 590 %[3] 24 N/mm[4] 24 N/mm[4] 50 %[6] 50 %[6]
SILPURAN® 6700/60 A/B transparent transparent 60[1] 60[1] 9.6 N/mm²[2] 9.6 N/mm²[2] 490 %[3] 490 %[3] 26 N/mm[4] 26 N/mm[4] 60 %[6] 60 %[6]
SILPURAN® 6740/40 A/B transparent transparent 40[1] 40[1] 8.8 N/mm²[2] 8.8 N/mm²[2] 710 %[3] 710 %[3] 27 N/mm[4] 27 N/mm[4] - -
SILPURAN® 6760/50 A/B transparent transparent 50[1] 50[1] 8.4 N/mm²[2] 8.4 N/mm²[2] 600 %[3] 600 %[3] 27 N/mm[4] 27 N/mm[4] - -
Legend
[1] Hardness Shore A | DIN ISO 48-4,  [2] Tensile strength | ISO 37 type 1,  [3] Elongation at break | ISO 37 type 1,  [4] Tear strength | ASTM D 624 B,  [5] Compression Set | 22 h | 175 °C | DIN ISO 815-1 type B method A | post-cured 6 h / 200 °C,  [6] Compression Set | 22 h | 125 °C | DIN ISO 815-1 type B method A 

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Wacker Chemie India Pvt. Ltd.
Goregaon E,
Mumbai 400063
+91  22  42365-500 (Phone)

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