Sikadur®-330
Thixotropic epoxy impregnating resin for SikaWrap® structural fabrics
Sikadur®-330 is a two-part, thixotropic, epoxy-based impregnating / laminating resin for SikaWrap® structural strengthening fabrics.
- Easy to mix
- Application by trowel and impregnation roller
- Formulated for manual saturation methods
- Good application properties for vertical and overhead surfaces
- Good adhesion to many substrates
- High mechanical properties
- No separate primer required
Usage
Impregnating / laminating resin for:- The SikaWrap® fabric reinforcement dry application method
- As a substrate primer for the wet application method
- Sika® CarboDur® plates
- Sika® CarboDur® NSM (near surface mounted) profiles into surface slots
- SikaWrap FX anchorage cord
Advantages
- Easy to mix
- Application by trowel and impregnation roller
- Formulated for manual saturation methods
- Good application properties for vertical and overhead surfaces
- Good adhesion to many substrates
- High mechanical properties
- No separate primer required
Packaging
4 kg / set (Part A: 3.2 kg; Part B: 0.8 kg)
Colour
| Part A | White paste |
| Part B | Grey paste |
| Parts A + B mixed | Light grey paste |
Product Details
SUSTAINABILITY
- Conformity with LEED v4 MRc 2 (Option 1): Building Product Disclosure and Optimization – Environmental Product Declarations
- Conformity with LEED v4 MRc 4 (Option 2): Building Product Disclosure and Optimization – Material Ingredients
- Conformity with LEED v4 EQc 2: Low-Emitting Materials
- IBU Environmental Product Declaration (EPD)
- VOC emission classification GEV-Emicode EC1PLUS, license number 9546/20.10.00
APPROVALS / STANDARDS
- CE Marking and Declaration of Performance to EN 1504-4 - Structural bonding
- France: Technical Approval, CSTB, Avis Technique 3.3/19-1005_V1
- Italy: Certificate of Technical Valuation, CSLLPP, No. 209/2019
- Poland: Technical Approval Sika CarboDur, Nr. IBDiM-KOT-2019-0361 v.1
- Romania: Technical Agreement, CTPC, No. 016-011401-2019
- Spain: Technical Approval, DIT, No. N604R/19
- Ukraine: Test Report, Ministry of Regional Development (Ukraine), No. ЗНТ–219–2167.13-001
- Russia: Technical Certificate SikaWrap®, No. 6078-20
- Czech Republic: Technical Approval, ITC, Nr. STO-AO 224-1012/2020
Chemical base
Epoxy resin
Shelf life
24 months from date of production
Storage conditions
The product must be stored in original, unopened and undamaged packaging in dry conditions at temperatures between +5 °C and +30 °C. Always refer to packaging.
Density
1.3 ± 0.1 kg/l (mixed resin, at +23 °C)
Viscosity
Shear rate: 50 / s
| Temperature | Viscosity |
| +10 °C | ~10'000 mPa·s |
| +23 °C | ~6'000 mPa·s |
| +35 °C | ~5'000 mPa·s |
System Structure
Substrate primer: Sikadur®-330
Impregnating / laminating resin: Sikadur®-330
Structural strengthening fabric - SikaWrap® type to suit requirements
Modulus of Elasticity in Flexure
| ~3'800 N/mm2 (±10%, 7 days at +23 °C) | (DIN EN 1465) |
Tensile Strength
| ~30 N/mm2 (±10%, 7 days at +23 °C) | (ISO 527) |
Tensile Adhesion Strength
| > 4 N/mm2 (or concrete fracture, on sandblasted concrete substrate) | (EN ISO 4624) |
Coefficient of Thermal Expansion
| ~4.5 × 10−5 1/K | (EN 1770) |
(linear expansion between -10 °C and +40 °C)
Service temperature
–40 °C to +45 °C
Glass Transition Temperature
| Curing time | Curing temperature | TG |
| 30 days | +30 °C | +58 °C |
Heat Deflection Temperature
| Curing time | Curing temperature | HDT |
| 7 days | +10 °C | +36 °C |
| 7 days | +23 °C | +47 °C |
| 7 days | +35 °C | +53 °C |
Resistant to continuous exposure +45 °C.
Application
Mixing ratio
Part A : Part B = 4 : 1 by weight
Ambient Air Temperature
+10 °C min. / +35 °C max.
Dew Point
Beware of condensation. The substrate and uncured applied resin must be at least +3 °C above dew point to reduce the risk of condensation or blooming on the resin surface.
Substrate Temperature
+10 °C min. / +35 °C max.
Substrate Moisture Content
≤ 4 % parts by weight
The following test methods can be used: Sika®-Tramex meter, CM-measurement or Oven-dry-method. No rising moisture according to ASTM D4263 (Polyethylene-sheet).
Pot Life
| Temperature | Pot life | Open time |
| +10 °C | ~90 mins (5 kg) | ~90 mins |
| +23 °C | ~60 mins (5 kg) | ~60 mins |
| +35 °C | ~30 mins (5 kg) | ~30 mins |
The pot life begins when the resin and hardener are mixed. It is shorter at high temperatures and longer at low temperatures. The greater the quantity mixed, the shorter the pot life. To obtain longer workability at high temperatures, the mixed adhesive may be divided into portions. Another method is to chill compon-ents A+B before mixing them (not below +5 °C).
Consumption
Guide: ~0.7–1.5 kg/m2
Please also refer to the relevant Method Statement.
SUBSTRATE QUALITY
Substrates must be structurally sound and of sufficient tensile strength to provide a minimum tensile strength of 1.0 N/mm2 or as required in the design specification. Please refer to the relevant Method Statement.
SUBSTRATE PREPARATION
See the relevant Method Statement.
MIXING
Important: Avoid over mixing to minimise air entrainment.
Note: Use a spiral paddle in an electric single mixer at a maximum speed of 300 rpm.
Important: Mix full units only
- Add Part B (hardener) to Part A (resin).
- Mix Parts A+B continuously for ~3 minutes until a uniformly coloured mix is achieved.
- To ensure thorough mixing, pour materials into a clean container and mix again for approximately 1 minute.
CLEANING OF TOOLS
Clean all equipment and tools immediately after use with Sika® Colma Cleaner. Cured material can only be removed mechanically.