What is the difference between gel time and curing time for chemical anchors? | Sold in 40 Countries Injectable Chemical Anchors Manufacturer Since 1997 | Good Use

Understanding Gel Time and Curing Time for Chemical Anchors

Understanding Gel Time and Curing Time for Chemical Anchors

What is the difference between gel time and curing time for chemical anchors?

Gel time and curing time are two critical parameters that define how long a chemical anchor remains workable and when it reaches full load-bearing capacity. Understanding these timeframes ensures safe, reliable, and efficient installations. These times vary depending on the resin type and environmental conditions such as temperature and humidity.


➤ What is Gel Time?
Gel time, also known as working time, is the period during which the mixed resin remains fluid and workable after being dispensed from the cartridge. This is the time window when anchor rods or rebars must be inserted into the drilled hole.
• If the rebar is inserted after the gel time has passed, the resin may have already begun to set, which can lead to incomplete bonding or installation failure.
• Gel time shortens in higher temperatures and extends in cooler conditions.
• Always prepare anchor holes before dispensing the resin to avoid time loss during installation.

➤ What is Curing Time?
Curing time is the period required for the resin to fully harden and achieve its design load-bearing capacity. During this period, no load should be applied to the anchor.
• Most curing times range from 30 minutes to 24 hours, depending on the resin type and ambient temperature.
• Higher temperatures accelerate curing, while lower temperatures slow it down.
• Applying load before full cure may cause bond failure or compromise structural safety.

➤ Why Does It Matter?
1. Improved Accuracy - Knowing the gel time helps you avoid early setting and resin waste, especially in deep holes or large-volume applications.
2. Enhanced Safety - Ensuring proper curing prevents early loading errors, preserving the bond strength and structural reliability.
3. Temperature Sensitivity - For example, at 35°C, the working time of some fast-cure adhesives can be less than 3 minutes, while at 10°C it may extend to over 10 minutes.
4. Better Product Selection - Fast-curing anchors are ideal for cold weather or time-sensitive projects, while longer gel time products allow more flexible installation in hot or large-scale jobs.

Knowing how gel and curing times behave under different site conditions is key to durable anchoring. Always refer to the Technical Data Sheet (TDS) for specific timing charts at various temperatures. For projects in extreme climates, choosing the right product or even adjusting the formulation can make all the difference. If you need help to choose the right chemical anchor, just contact our team today.

Good Use Chemical Anchor Curing Time

GU-100

Temperature (°C) Gelling Full Curing
0~5 8 hr.
5~10 40 min. 7 hr.
10~20 30 min. 6 hr.
20~30 8 min. 3 hr.
30~40 3 min. 2 hr.
Please make pull off test for at least 24 hours after full cured.

GU-500

Temperature (°C) Gelling Full Curing
5~10 1-2 hr. 90 - 100 hr.
10~20 30-60 min. 30 - 60 hr.
20~30 14-30 min. 14 - 22 hr.
30~40 10-20 min. 6 - 12 hr.
Please make pull off test for at least 24 hours after full cured.

GU-500SD

Temperature (°C) Gelling Full Curing
5~9 2 hr. 90 hr.
10~14 90 min. 64 hr.
15~19 45 min. 28 hr.
20~29 30 min. 18 hr.
30~39 20 min. 7 hr.
40 12 min. 5 hr.
Please make pull off test for at least 24 hours after full cured.

GU-600

Temperature (°C) Gelling Full Curing
0~5 6 hr.
5~10 30 min. 5 hr.
10~20 20 min. 4 hr.
20~30 10 min. 2 hr.
30~40 5 min. 40 min.
Please make pull off test for at least 24 hours after full cured.

GU-2000

Temperature (°C) Gelling Full Curing
5 90 min.  8 hr.
10 40 min. 4 hr.
20 18 min. 1.5 hr.
30 9 min. 1 hr.
40 6 min. 1 hr.
Please make pull off test for at least 24 hours after full cured.
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What is the difference between gel time and curing time for chemical anchors? | Made in Taiwan Injectable Adhesive Mortars Manufacturer for 20 Years | Good Use

Located in Taiwan since 1997, Good Use Hardware Co., Ltd. has been an injectable adhesive mortars and anchors manufacturer. Their main products, including injection cartridges, chemical mortars, chemical anchors, anchor capsules, polyester resins and vinylester resins, which are sold in 40 countries.

Reputable factory of chemical anchor in Taiwan produces the widest range of adhesive anchor solutions for your concrete anchoring applications. with more than 15 years manufacturing experience for Chemical Anchor System, Injection Cartridge System, Construction Chemical Mortar and more. Certified chemical anchor solutions with wide selections of adhesive materials including epoxy anchors, concrete anchors, resin anchors for heavy loads in rebar application, diamond drilled holes and anchoring in solid concrete. Non-drip formula, ideal for overhead installation. Chemical anchor bolt and anchor fixings included for efficient, hassle-free, labor-saving chemical anchoring.

Good Use has been offering customers certified and tested high-quality chemical anchors, both with advanced technology and 25 years of experience, Good Use ensures each customer's demands are met.