ELPECAST® casting compounds

ELPECAST® Wepuran casting compounds (polyurethane UR)

a large variety is available in terms of viscosity, colours, processing time and pot life; numerous hardness and elasticity adjustments cover the full range of shore hardness; good resistance against water, moisture, lyes, acids and many chemicals; elastic adjustments are a low-cost alternative for silicone casting compounds

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ELPECAST® Wepuran VT 3402 KK series

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crystal-clear and highly transparent
very high optical transparency with low optical damping
very good weather resistance, extraordinary UV light stability and good thermal resistance
for outdoor use or underwater applications, in flexible LED strips, aluminium profiles and more
transparent colouring by dyestuff concentrates
an even light diffusion effect can be realised with the ready-to-use hazy casting compounds VT 3402 NV-H/1 to H/4, the opaque top coat VT 3492 LS or the hazing paste
auxiliary products recommended: Accelerating Agent B 4402⇗, adhesion promoter AP 4 LED⇗, sealing mastic EH 13.271⇗, mould release agent EH 13.650⇗, cleaning agent R 13.780⇗

Hardness

soft (Shore A) | hard (Shore D)

Transparency

transparent

Operating temperature range

- 65 to + 90 °C

Flammability

UL 94 (non-flammable) | hardly flammable

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ELPECAST® Wepuran VT 3406

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Colourless transparent
for moderate demands on optical properties, e.g. for encapsulating assemblies that must remain permanently visible
low-viscous (good flowability)
highly elastic, easy to remove for repair purposes
auxiliary products recommended: Accelerating agent B 4400⇗, adhesion promoter EH 13.950⇗, sealing mastic EH 13.271⇗, mould release agent EH 13.650⇗, cleaning agent R 13.780⇗

Hardness

soft (Shore A)

Transparency

transparent

Operating temperature range

- 65 to + 90 °C

Flammability

not applicable

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ELPECAST® Wepuran VT 3407

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Very low-viscous (particularly flowable)
opaque in thick layers
high mechanical resistance
auxiliary products recommended: Accelerating Agent B 4400⇗, Adhesion Promoter EH 13.950⇗, Sealing mastic EH 13.271⇗, Mould Release Agent EH 13.650⇗, Cleaning Agent R 13.780⇗

Hardness

hard (Shore D)

Transparency

transparent

Operating temperature range

- 65 to + 90 °C

Flammability

not applicable

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ELPECAST® Wepuran VT 3501

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Only available in large containers
only for processing in mixing and dosing units
good UV light and temperature stability
auxiliary products recommended: Adhesion promoter EH 13.950⇗, sealing mastic EH 13.271⇗, mould release agent EH 13.650⇗, cleaning agent R 13.780⇗

Hardness

soft (Shore A)

Transparency

transparent

Operating temperature range

- 40 to + 120 °C

Flammability

not applicable

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Data Sheet

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ELPECAST® Wepuran VU 4444/31 SB-WB / VU 4494/31 SB-WB

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Elastic
very good weather resistance and UV light stability, no loss of gloss
high yellowing resistance of the white adjustment
auxiliary products recommended: Accelerating agent B 4402⇗, Adhesion promoter EH 13.950⇗, sealing mastic EH 13.271⇗, mould release agent EH 13.650⇗, cleaning agent R 13.780⇗

Hardness

soft (Shore A)

Transparency

opaque

Operating temperature range

- 65 to + 90 °C

Flammability

hardly flammable

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ELPECAST® Wepuran VU 4451/51 SB

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low-viscous (good flowability)
elastic
auxiliary products recommended: Accelerating agent B 4400⇗, adhesion promoter EH 13.950⇗, sealing mastic EH 13.271⇗, mould release agent EH 13.650⇗, cleaning agent R 13.780⇗

Hardness

soft (Shore A)

Transparency

opaque

Operating temperature range

- 65 to + 90 °C

Flammability

hardly flammable

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Sample request

Data Sheet

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ELPECAST® Wepuran VU 4452 series

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Highly elastic
relatively high temperature resistance; low-cost alternative for silicone casting compounds
auxiliary products recommended: Accelerating agents B 4400 / B 4402⇗, adhesion promoter EH 13.950⇗, sealing mastic EH 13.271⇗, mould release agent EH 13.650⇗, cleaning agent R 13.780⇗

Hardness

soft (Shore A)

Transparency

opaque

Operating temperature range

- 65 to + 120 °C

Flammability

not applicable

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Data Sheet

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ELPECAST® Wepuran VU 4452/41 SV-HF

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high mechanical resistance
complies with hazard level 3 of the railway standard EN 45545-2:2013 (oxygen index (OI) of 51 % in acc. with ISO 4589-2:2006)
auxiliary products recommended: Adhesion promoter EH 13.950⇗, sealing mastic EH 13.271⇗, mould release agent EH 13.650⇗, cleaning agent R 13.780⇗

Hardness

hard (Shore D)

Transparency

opaque

Operating temperature range

- 65 to + 120 °C

Flammability

UL 94 (non-flammable)

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Data Sheet

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ELPECAST® Wepuran VU 4453 series

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highly elastic
very low water absorption
various viscosities, pot lives and shore hardnesses
thixotropic adjustment for dam-and-fill applications / dispensing
VU 4443/92 WR-NV fulfils the requirements of IEC 60079-0, section 26.10 “Resistance to UV light”
VU 4453/71 HE-T is recognized by UL as polyurethane adhesive in category QOQW2 „Polymeric Adhesive Systems, Electrical Equipment – Component“ (File E501223)
water resistant adjustments for underwater applications
auxiliary products recommended: Accelerating agent B 4400⇗, adhesion promoter EH 13.950⇗, sealing mastic EH 13.271⇗, mould release agent EH 13.650⇗, cleaning agent R 13.780⇗

Hardness

soft (Shore A)

Transparency

opaque

Operating temperature range

- 65 to + 90/130 °C

Flammability

not applicable

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Sample request

Data Sheet

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ELPECAST® Wepuran VU 4457 series

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"Allround" casting compounds for many different fields of application
various viscosities and pot lives
high mechanical resistance
auxiliary products recommended: Accelerating agent B 4400⇗, adhesion promoter EH 13.950⇗, sealing mastic EH 13.271⇗, mould release agent EH 13.650⇗, cleaning agent R 13.780⇗

Hardness

hard (Shore D)

Transparency

opaque

Operating temperature range

- 65 to + 90 °C

Flammability

hardly flammable

Fields of Use

Sample request

Data Sheet

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ELPECAST® Wepuran VU 4459/41 SV-HF series

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High mechanical resistance
auxiliary products recommended: Adhesion promoter EH 13.950⇗, sealing mastic EH 13.271⇗, mould release agent EH 13.650⇗, cleaning agent R 13.780⇗

Hardness

hard (Shore D)

Transparency

opaque

Operating temperature range

- 65 to + 90 °C

Flammability

UL 94 (non-flammable) | hardly flammable

Fields of Use

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Data Sheet

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ELPECAST® Wepuran VU 4541/51 SV series

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Only available in large containers
only for processing in mixing and dosing units
good thermal conductivity (approx. 0.7 W/mK)
auxiliary products recommended: Adhesion promoter EH 13.950⇗, sealing mastic EH 13.271⇗, mould release agent EH 13.650⇗, cleaning agent R 13.780⇗

Hardness

hard (Shore D)

Transparency

opaque

Operating temperature range

- 40 to + 130 °C

Flammability

UL 94 (non-flammable)

Fields of Use

ELPECAST® Wepesil casting compounds (silicone SR)

highly elastic, easy to remove for repair, dielectric properties are almost constant over wide temperature/frequency range, outstanding chemical and weather resistance, addition cross-linking, very low heat development and very low shrinkage pressure when cured

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ELPECAST® Wepesil VT 3602 KK

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Highly transparent even in thick layers
high optical temperature resistance
outstanding weather resistance and UV light stability
auxiliary products recommended: Adhesion Promoter G 4660⇗, Sealing mastic EH 13.271⇗, Cleaning Agent R 13.780⇗

Hardness

soft (Shore A)

Transparency

transparent

Operating temperature range

- 65 to + 200 °C

Flammability

not applicable

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Data Sheet

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ELPECAST® Wepesil VU 4675

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Good flowability
particularly good thermal conductivity (approx. 1.2 W/mK) due to ceramic fillers
auxiliary products recommended: Adhesion Promoter G 4660⇗, Sealing mastic EH 13.271⇗, Cleaning Agent R 13.780⇗

Hardness

soft (Shore A)

Transparency

opaque

Operating temperature range

- 65 to + 200 °C

Flammability

not applicable

Fields of Use

Sample request

Data Sheet

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ELPECAST® Wepesil VU 4691 E series

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Highly viscous
good thermal conductivity (approx. 0.7 W/mK)
withstands short-term loading of up to 250 °C
auxiliary products recommended: Adhesion Promoter G 4660⇗, Sealing mastic EH 13.271⇗, Cleaning Agent R 13.780⇗

Hardness

soft (Shore A)

Transparency

opaque

Operating temperature range

- 65 to + 200 °C

Flammability

not applicable

Fields of Use

Sample request

Data Sheet

colors

ELPECAST® Wepesil VU 4694 E

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Good flowability
good thermal conductivity (approx. 0.8 W/mK)
withstands short-term loading of up to 250 °C
auxiliary products recommended: Adhesion Promoter G 4660⇗, Sealing mastic EH 13.271⇗, Cleaning Agent R 13.780⇗

Hardness

soft (Shore A)

Transparency

opaque

Operating temperature range

- 65 to + 200 °C

Flammability

not applicable

Fields of Use

ELPECAST® Wepox casting compounds (epoxy ER)

high mechanical resistance, excellent resistance against water, moisture and aggressive media, outstanding adhesive strength

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ELPECAST® Wepox VT 3000

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Low-viscous (good flowability)
transparent even in thick layers
auxiliary products recommended: Adhesion Promoter EH 13.950⇗, Sealing mastic EH 13.271⇗, Mould Release Agent EH 13.650⇗, Cleaning Agent R 13.780⇗

Hardness

hard (Shore D)

Transparency

transparent

Operating temperature range

- 65 to + 130 °C

Flammability

not applicable

Fields of Use

Sample request

Data Sheet

colors

ELPECAST® Wepox VU 4085 series

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Low-viscous (good flowability)
long processing time/pot life
good thermal conductivity
auxiliary products recommended: Adhesion Promoter EH 13.950⇗, sealing mastic EH 13.271⇗, mould Release Agent EH 13.650⇗, cleaning Agent R 13.780⇗

Hardness

hard (Shore D)

Transparency

opaque

Operating temperature range

- 65 to + 130 °C

Flammability

hardly flammable

Fields of Use

Auxiliary products

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Adhesion Promoter AP 4 LED

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Adhesion promoter for the Wepuran casting compounds of series VT 3402 KK
good wetting properties even on critical substrates e.g. silicone surfaces of LEDs