Kwik Sil Epoxy



Kwik-Sil™ is a translucent, medium-viscosity silicone adhesive, developed for chronic peripheral nerve studies such as anterograde tracing with fluorescent indicators or electrode recording. Good adhesion and mechanical properties (tear strength and elongation) allow days of study without breaking of the bonding. Curing speed is very reproducible.

Item#: KWIK-SIL

Kwik-Sil™ is a translucent silicone elastomer adhesive with medium viscosity. It has good adhesion and mechanical property (tear strength and elongation). The very short curing time (approx. 1 minute) make it especially useful for moving preparations. KWIK-CAST & KWIK-SIL SPECIFICATIONS Unmixed Kwik-Sil Kwik-Cast Mix Ratio 1:1 1:1.

  1. Kwik-Sil is a translucent, medium-viscosity silicone adhesive, developed for chronic peripheral nerve studies such as anterograde tracing with fluorescent indicators or electrode recording. Good adhesion and mechanical properties (tear strength and elongation) allow days of study without breaking of the bonding. Curing speed is very reproducible.
  2. KwikWood™ is a hand-mixable epoxy putty, formulated to repair and rebuild wood. After mixing, it cures to the same density as wood and becomes an integral part of the repair. For use on exterior or interior applications, it contains no solvents, will not rot, shrink, crack or pull away. KwikWood™ has a.

Ideal for neuroscience applications, nerve studies and more

  • Bio-compatible adhesive for live tissue and nerve studies
  • Pre-mixing tips simplify use (Includes 10 mixing tips)
  • Medium strength adhesion
  • Low toxicity
  • Rapid curing silicone adhesive, cure on contact
  • Cures without producing heat
  • The kit comes with (2) cartridges of 2 part silicone
  • Kwik-Sil dries clear; Kwik-Cast dries green
  • Kwik-Sil dries a little faster than Kwik-Cast

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Kwik sil epoxy adhesiveEpoxy
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Kwik-sil Epoxy Vwr

Kwik-Sil
ITEMDescriptionPriceBuy
Kwik-Sil

Each pack includes (2) 5ml syringes and a pack of 10 tips.

$120.00
600022Additional tips, pack of 10 tips$37.00
Kwik-sil

KWIK-CAST Silicone Casting Compound (two 5-mL syringes)

KWIK-SIL Silicone Adhesive Compound (two 5-mL syringes)

Kwik-SilKwik-Cast
Mix Ratio1 to 11 to 1
Working Time< 5 minutes*4 minutes
Setting Time (Room Temp., 1:1 Ratio)5–10 minutes**<10 minutes
Cure Time~15 minutes
Viscosity, CPS15,00010,000
Guaranteed shelf life at 23 °C6 months6 months
Volume5 mL5 mL
Number of mixing tip1010
Dead volume of the mixing tip<0.12 mL<0.12 mL
AFTER CURING 24 HOURS:
Tear strength, PPI9044
Elongation %65060
Durometer (Shore A-2)3036
Cloretranslucentgreen
Volume resistivity, W/CM1x10151x1015

* 3 minutes average with about 90 seconds of liquidity

** no longer mixable at this point

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Model labels: DetChannelAssby:1, DetChannelAssby:2

The goal is to couple the lens onto the PMT face with oil
Seal around the edge of the window that is on top of the PMT photocathode, so that oil can not leak into the body of the PMT, with 5 min epoxy. Be careful not to soil the plate above the photocathode.
Place condensor lens on oil–touch to oil on one side first so as not to trap large bubble underneath. Make sure there are no bubbles and carefully remove overflow oil from the housing.
Place a thin ring of Kwik-Sil (WPI) on the PMT housing around the lens

Kwik Sil Epoxy Putty

Add PMTMountPlate before Kwik-Sil sets, such that sealant squishes between the lens and PMTMountPlate. Hold lens down so that it does not move up while mount plate is being pushed down. Attach PMTMountPlate to PMT with two M3 screws.
Allow ~30 minutes at least for Kwik-Sil to set (oil mixing with Kwik-Sil will interfere with the setting process).
Hold PMT in vise with window side down for several minutes to check if there is oil leakage. Blow gently around seal with canned air to see if there is movement of liquids/uncured Kwik-Sil.
If there is leakage, seal further between the condenser lens and PMTMountPlate using epoxy, or other sealant. It is OK if the sealant touches the face of the condenser lens a couple mm above where this lens meets the edge of the PMT mount plate.

Kwik Sil Epoxy Resin

Hold PMT at angle it will be used in microscope (depending on red or green channel) overnight, and check again that oil coverage between the condenser lens and PMT window is intact. There should be no obvious bubbles or inhomogeneities when looking at the photocathode through the condenser lens.

UV cement method

Epoxy

Kwik Sil Epoxy Adhesive

Note: applying UV light to cure UV cement will not harm the PMT photocathode. There have been problems when using UV cement with thick layers of cement (few hundred micron), resulting in permanent bubbles present between the lens and PMT, but the strategy below should not have such problems. It is currently untested, however.

A relatively foolproof way to do the PMT condenser lens bonding with UV cement would be to fill the gap between the condenser lens (flat, optical surface) and the PMT window with another piece of glass (index of refraction ~1.5), and then only use thin UV cement layers, like when bonding a doublet lens, between all the glass pieces. Pieces of coverglass would work fine for this. It would just be necessary to find the right thickness of the gap-filling glass, such that there aren't any air gaps, and the condenser lens doesn't have to rise up much beyond its normal seating position (shoulder touching the PMT housing). Two to three #1.5 coverglass pieces ought to do it. After assembling everything dry to test the thickness and fit of the filler, the filler pieces could be cemented to the condenser lens first, and then whole assembly would be cemented to the PMT.