Cement & Resin Capsules
Our range of products is extensively used for fixing of steel rock bolts and brackets. We are supplying products across India for few of the most prestigious private companies and government organizations involved in tunnels, mines, and dam construction.
Our resin & capsules can be used for fixing of rock-bolts/anchor bolts/wooden dowels with full column grout for stratacontrol in tunneling and mining to minimize roof falls.The advantages of the Resin Capsules are:
Permanent anchorage, unaffected by vibration or corrosive environment,Pre-packed resin capsule -no on-site mixing problem,Controlled setting time,Rapid high strength development
Drill hole to the specified depth with rotary/percussive drilling machine and the hole should be clean and free from obstruction.
The capsule should be soaked in water for a minimum of four minutes using a through of water or longer if there are still signs of air release (bubbling) from the capsule. Soaking up to 5 minutes for fast set and 10 minutes for normal set may be restricted.
Insert the capsule into the drilled hole one after the other by a stemming rod until hollow column is filled.
Insert the rock bolt or dowel into the hole through the wet capsules. If required, use air auger (150-400 RPM) or leg drill to drive the bolt home.
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We hold expertise in offering a wide range of Cement Capsules to our clients. These capsules are used for grouting roof bolts in tunnels and mines. In this range, we mix sand, high alumina cements and some chemicals in suitable proportions. Moreover, these capsules are packed in perforated polythene pouches. Thick cement grout is generated by soaking these capsules in water.
The advantages of the Cement Capsules are:
It is a chloride free powder and is safe to be used with steel
The capsule is non-toxic and safe to use
It eliminates pump grouting
Saves cost and labor
Anchorage Test Result
Extensive field tests are continuously carried out in collieries using capsules. The average results are tabulated below:
Sr. No.Setting TimeAnchorage
StrengthRemark10.5 Hr.3.0 TonnesBolt not slipped21.0 Hr.4.0 TonnesBolt not slipped32.0 Hr.7.0 TonnesBolt not slipped43.0 Hr.9.0 TonnesBolt not slipped512.0 Hr.12.0 TonnesBolt not slipped
Effects of Temperature: The hardened grout is non-flammable and will provide satisfactory anchorage up to 200 degrees centigrade.
Toxicity: The capsule is non-toxic. It does not produce any harmful gases during application.
Buildcon Capsules are supplied in double lined H. D. P. E. sacks or corrugated cardboard boxes each containing 50 nos.
The Standard Sizes available are: (diameter X length)
35mm X 500mm,
32mm X 500mm,
32mm X 300mm,
32mm X 400mm,
25mm X 300mm,
25mm X 500mm.
We can supply most other lengths and/ or diameters as per individual requirement, kindly note that.
Unused Buildcon Capsules should always be kept in a dry place under double lined polythene cover to avoid exposure to atmosphere.
Six months from the date of manufacture. Since the grout material is very sensitive to moisture.
Area of Application
To provide Roof Support Under ground Mines & Tunnels
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The Buildcon Resin Capsules are of international standard with good performance. The Capsules consist of two separate compartments containing polyester resin and a suitable catalyst. During installation, as the bolt is rotated, it ruptures the skin and mixes the resin and catalyst. This causes a chemical reaction resulting in a solid anchor with the desired properties.
The Standard size of Resin Capsules are:
25mm dia x 300mm long,
32xmm dia x 300mm long
40mm dia x 300mm long
for tunneling projects.
The capsules can be made available as per the customer’s requirement. The gel time will vary as per the requirement. In fast set capsules, the gel time is 30 to 60 seconds and 2 to 3 minutes in slow set capsules. The gel time reduces with increase in temperature and increases at low temperature conditions.
The Buidlcon Resin Capsules are prepared after testing the raw materials and the resin mastic of each mix. The following specifications are maintained to ensure quality of the product.
- Compressive strength 80 Mpa
- Punch shear strength 30 Mpa
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