Sikadur®-30
Sikadur®-30 is a thixotropic, structural 2-component adhesive, based on a combination of epoxy resins and special filler, designed for use at normal temperatures between +8 °C and +35 °C.
- Easy to mix and apply.
- No primer needed.
- High creep resistance under permanent load.
- Very good adhesion to concrete, masonry, stonework, steel, cast iron, aluminium, timber and Sika® CarboDur® Plates.
- Hardening is not affected by high humidity.
- High strength adhesive.
- Thixotropic: non-sag in vertical and overhead applications.
- Hardens without shrinkage.
- Different coloured components (for mixing control).
- High initial and ultimate mechanical resistance.
- High abrasion and shock resistance.
- Impermeable to liquids and water vapour.
Usage
Adhesive for bonding structural reinforcement, particularly in structural strengthening works. Including:- Sika® CarboDur® Plates to concrete, brickwork and timber (for details see the Sika® CarboDur® Product Data Sheet)
- Steel plates to concrete (for details see the relevant Sika Technical information).
Advantages
Sikadur®-30 has the following advantages:- Easy to mix and apply.
- No primer needed.
- High creep resistance under permanent load.
- Very good adhesion to concrete, masonry, stonework, steel, cast iron, aluminium, timber and Sika® CarboDur® Plates.
- Hardening is not affected by high humidity.
- High strength adhesive.
- Thixotropic: non-sag in vertical and overhead applications.
- Hardens without shrinkage.
- Different coloured components (for mixing control).
- High initial and ultimate mechanical resistance.
- High abrasion and shock resistance.
- Impermeable to liquids and water vapour.
Packaging
6 kg (A+B) | Pre-batched unit |
pallets of 480 kg (80 x 6 kg) |
Colour
Part A: white
Part B: black
Part A+B mixed: light grey
Product Details
APPROVALS / CERTIFICATES
- Deutsches Institut fuer Bautechnik Z-36.12-29, 2006: General construction authorisation for Sika® CarboDur®.
- IBMB, TU Braunschweig, test report No. 1871/0054, 1994: Approval for Sikadur®-30 Epoxy adhesive.
- IBMB, TU Braunschweig, test report No. 1734/6434, 1995: Testing for Sikadur®-41 Epoxy mortar in combination with Sikadur®-30 Epoxy adhesive for bonding of steel plates.
- Adhesive for structural bonding tested according to EN 1504-4
Composition
Epoxy resin
Shelf life
24 months from date of production
Storage conditions
Store in original, unopened, sealed and undamaged packaging in dry conditions at temperatures between +5 °C and +30 °C. Protect from direct sunlight.
Density
1.65 kg/l ±0.1 kg/l (part A+B mixed) (at +23 °C) |
Compressive strength
Curing Time | Curing Temperature | |
+10 °C | +35 °C | |
12 hours | - | ~85 N/mm2 |
1 day | ~55 N/mm2 | ~90 N/mm2 |
3 days | ~70 N/mm2 | ~90 N/mm2 |
7 days | ~75 N/mm2 | ~90 N/mm2 |
Modulus of elasticity in compression
~9 600 N/mm2 (at 23 °C) | (ASTM D 695) |
Tensile strength
Curing Time | Curing Temperature | |
+15 °C | +35 °C | |
1 day | ~20 N/mm2 | ~26 N/mm2 |
3 days | ~23 N/mm2 | ~27 N/mm2 |
7 days | ~26 N/mm2 | ~29 N/mm2 |
Shear strength
Concrete failure (~15 N/mm2)
Curing time | Curing Temperature | |
+15 °C | +35 °C | |
1 day | ~4 N/mm2 | ~17 N/mm2 |
3 days | ~15 N/mm2 | ~18 N/mm2 |
7 days | ~16 N/mm2 | ~18 N/mm2 |
18 N/mm2 (7 days at +23C) According to DIN 53283
Shrinkage
0.04 % | (FIP: Fédération Internationale de la Précontrainte) |
Coefficient of thermal expansion
2.5 x 10−5 per °C (Temperature range: −20 °C to +40 °C) |
Service temperature
−40 °C to +45 °C (when cured at +23 °C)
Glass transition temperature
Curing time | Curing temperature | TG |
7 days | +45 °C | +62 °C |
Heat deflection temperature
Curing time | Curing temperature | HDT |
3 hours | +80 °C | +53 °C |
6 hours | +60 °C | +53 °C |
7 days | +35 °C | +53 °C |
7 days | +10 °C | +36 °C |
Application
Mixing ratio
Component A : Component B = 3 : 1 by weight or volume
When using bulk material the exact mixing ratio must be safeguarded by accurately weighing and dosing each component.
Layer thickness
30 mm max.
When using multiple units, one after the other. Do not mix the following unit until the previous one has been used in order to avoid a reduction in handling time.
Sag flow
On vertical surfaces it is non-sag up to 3−5 mm thickness at 35 °C | (FIP: Fédération Internationale de la Précontrainte) |
Squeezability
4’000 mm2 at +15 °C at 15 kg | (FIP: Fédération Internationale de la Précontrainte) |
Material temperature
Sikadur®-30 must be applied at temperatures between +8 °C and +35 °C.
Ambient air temperature
+8 °C min. / +35 °C max.
Dew point
Beware of condensation.
Substrate temperature during application must be at least 3 °C above dew point.
Substrate temperature
+8 °C min. / +35 °C max.
Substrate moisture content
Max. 4 % pbw
When applied to mat damp concrete, brush the adhesive well into the substrate.
Pot Life
Temperature | Potlife | Open time |
+8 °C | ~120 minutes | ~150 minutes |
+20 °C | ~90 minutes | ~110 minuets |
+35 °C | ~20 minutes | ~50 minutes |
The potlife 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 potlife. To obtain longer workability at high temperatures, the mixed adhesive may be divided into portions. Another method is to chill components A+B before mixing them (not below +5 °C).
SUBSTRATE QUALITY
See the Product Data Sheet of Sika® CarboDur® Plates and Sika® CarboDur® BC rods.
SUBSTRATE PREPARATION
See the “Method Statement for Sika® CarboDur® Externally Bonded Reinforcement” Ref: 850 41 05 and the “Method Statement for Sika® CarboDur® Near Surface Mounted Reinforcement” Ref: 850 41 07.
MIXING
Pre-batched units:
Mix componentss A+B together for at least 3 minutes with a mixing spindle attached to a slow speed electric drill (max. 300 rpm) until the material becomes smooth in consistency and a uniform grey colour. Avoid aeration while mixing. Then, pour the whole mix into a clean container and stir again for approx. 1 more minute at low speed to keep air entrapment at a minimum. Mix only that quantity which can be used within its potlife.
Bulk packing, not pre-batched:
First, stir each component thoroughly. Add the components in the correct proportions into a suitable mixing pail and stir correctly using an electric low speed mixer as above for pre-batched units.
CLEANING OF EQUIPMENT
Clean all tools and application equipment with Sika® Colma Cleaner immediately after use. Hardened / cured material can only be removed mechanically.