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ESSRBOND-MS40
ESSRBOND MS 40 ₹432.20600ml Sausage + GST ( 18 % )
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ESSRBOND PU40

ESSRBOND
SKU: ESSR-0002

Non-sag, gun-grade polyurethane elastomeric sealant

₹398.31600ml Sausage + GST ( 18 % )

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Description

Product Description

ESSRBOND PU 40 is a one component, moisture curing, non-sag, gun-grade polyurethane elastomeric sealant based on the pioneering silane cure technology. It is designed to seal construction joints that are subject to movement. After cure, Essrbond PU 40 forms a flexible resilient seal that has adhesion to a wide variety of substrates and exhibiting excellent mechanical and chemical resistance. It is ideal for use in hot and tropical climatic conditions.

Uses

ESSRBOND PU 40 is designed for sealing expansion and control joints, pre-cast concrete panel joints, window perimeters, steps, risers, roof and tilt-wall joints and between construction materials of dissimilar expansion coefficients. It is ideal for sealing in the food industry and clean rooms where LOW VOC sealant is recommended.

Compliance & standards

  • ASTM C-920 Types S, Grade NS, Class 35, Use NT-A, Use M-A and Use 0-A
  • DIN EN ISO 11600 – Type F – Classification 35 LM
  • US Fed Spec TT-S-230a Type II
  • ISO 9001 : 2015, ISO 14000 : 2015,
  • IATF 16949 : 2016

Packaging

  • ESSRBOND PU 40 is supplied in 600 ML sausage and packed as 20 piece per box.

Technical Data

PROPERTIESValue
AppearanceNon-sagging paste
ColourGrey / White / Black
Tack free time @ 25 oC / 55% RH20 mins Approx
Curing speed @ 25 oC / 55% RH2.5 to 3.0 mm / 24 hrs
Slump / flow (vertical and horizontal @ 5°c and 50°c0 (No Failure)
Specific gravity1.45 +/- 0.05
Hardness (shore A)35 +/- 5 Approx.
Staining and colour changeNo staining and no colour change
Elongation at break>600 %
Tensile at break1.5 MPA approx
Shrinkage on curing< 2%
Application temp.5°c to 40°c
Service temp.-60°c to 110°c

Precautions & Limitations

  • Maximum width for application in a joint is 50 mm
  • Minimum depth of seal is 6 mm
  • Do not expose the sealant to high temperatures above 110 deg C
  • Avoid application on damp and moist substrates and at
  • Temperature below 5°C
  • Sealant will not adhere to substrates with contamination and traces of bitumen
  • Adhesion of the sealant must only be on two opposite faces
  • Do not carry out sealing operations during hot weather conditions
  • Application to be started only after 30 minutes of priming the substrate

Storage and Shelf Life

  • Parts A and B: 12 months from date of production.
  • If stored properly in original, unopened and undamaged sealed packaging, in dry conditions at
    temperatures between +10°C and +25°C

Features and Benefits

  • Movement capability of ± 35 % (ASTM C 719)
  • Excellent mechanical and chemical resistance
  • Bubble-free curing
  • Good adhesion to most construction materials
  • Jet fuel and diesel resistance
  • Solvent-free
  • Very low emissions (VOC < 30 g/L)
  • Paintable with water and PU based paint
  • Exterior and interior application
  • UV stable
  • Solvent and Isocyanate free
  • Virtually odorless
  • Non‐corrosive

Coverage

Material should be stored in a cool and dry place. Temperature of storage should between 5º C to 35º C.
Shelf Life:- Twelve month from date of manufacture. in above storage condition

Cleaning of Tools and Equipment

  • After sealing the joint the tools and equipments should be cleaned immediately with kerosene or any other cleaning solvents

Joint design

For various reasons, different types of joints are provided with width depth ratios in different proportions. Depending on the horizontal or vertical movements, the cured sealant should retain its original shape after the deformation of expansion/contraction. So width depth ratio is important.
Width: Depth Ratio

Joint Width (mm.)Width : Depth Ratio
For 6 to 12 mm. joint widthDepth shall be 1:1 (equal)
For 12 to 50 mm. joint widthDepth shall be 2:1 (half)

Application Methodology

  • Ensure joint sides are clean and dry. Remove any laitance, dirt or other contaminants by wire-brushing, grinding or grit blasting.
  • Priming is not generally required. Highly absorbent substrate should be primed. ESSRBOND PU Primer should be used. Apply a thin coat of primer on the substrate to be sealed and allow to dry for some time.
  • Insert the sealant sausage in the sausage gun. Cut end off sachet and attach cap and nozzle and cut nozzle to desired bead size. Mask joint sides and insert a suitable backing rod if required. Extrude firmly into joint and tool off using a suitable curved tool. Tool the sealant immediately with tooling knife by pressing against the joint to remove air pockets & to ensure 100% contact and adhesion with the surface.
  • Fix a bond breaker tape over the backup material to prevent third surface adhesion. Fix a masking tape on both sides of joint surface to get neat & clean appearance of joints after application of sealant. Use only water (or a very mild detergent) to finish the surface.