About Us

Prüfengel offers authentic consumer tests in which real users share their experiences with products. Our tests are based on practical applications in everyday life and reflect the opinions of consumers. As we focus on consumer tests, we do not carry out any material, long-term or laboratory tests. The tests are carried out by 1-2 independent consumers over a period of 7-14 days. The exact test conditions can be viewed in the test plan of the respective test report – click here to go directly to the test plan.

Manufacturers provide the tested products free of charge. We charge a one-off test fee for carrying out the tests. In addition, manufacturers pay an annual licence fee for the use of the Prüfengel seal. We also receive a commission for linking to manufacturers’ websites. These remunerations have no influence on our test results or ratings.

We guarantee transparency and a fair evaluation. For a detailed insight into our comprehensive evaluation process, please click here.

TECPO
silicone seal

Product description of the manufacturer

The product silicone sealant from the TEPCO brand is a silicone sealant.
The versatility of this product makes it an ideal solution for elastic bonding and sealing in bus, train and vehicle construction. It is ideal for a wide range of materials, including metal, plastic, glass, ceramics and wood. This flexibility enables a wide range of applications to meet the requirements of a wide variety of projects.
An outstanding feature is its extreme temperature resistance. Once cured, the product remains elastic and stable, even at extreme temperatures from -40°C to +260°C. This property ensures reliable performance under demanding conditions, which is particularly important in the automotive industry.
In addition, the product offers long-lasting protection. It is UV-resistant, climate-resistant and resistant to water, salt water, oil, coolant and many chemicals. This robustness ensures that the bonds and seals retain their functionality even under adverse conditions.
Precise and efficient processing is supported by the high viscosity of the product, which makes it easy to handle . It bridges large sealing gaps and reliably fills unevenness , making application considerably easier.


In the practical test, this product impressed with its ease of use and good silicone quality.

  • Easy to use
  • Good curing, but still retains elasticity
  • UV-resistant, climate-resistant, hard-wearing
  • Some practice is required for even application

The first impression

Packaging and contents

Here we take a closer look at packaging. Sustainability is becoming an increasingly important factor. In addition, adequate protection of the product must of course also be guaranteed. Are the contents of the packaging complete and does the manufacturer make it as easy as possible for me to use the product straight away?

Here we take a closer look at packaging. Sustainability is becoming an increasingly important factor. In addition, adequate protection of the product must of course also be guaranteed. Are the contents of the packaging complete and does the manufacturer make it as easy as possible for me to use the product straight away?

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Product protection

Carton is sturdy, product sufficiently protected

100

Points

Sustainability Packaging

No unnecessary packaging waste was produced

100

Points

Package contents & scope

Complete

100

Points

Instructions for use

Product is self-explanatory, information on the product itself

100

Points

TOTAL

100

Points

Weighting: 20%
*Themaximum score is 100 points

This product was delivered in a product box that was well matched to the size of the carton.
A positive aspect to emphasise is the fact that no environmentally harmful materials were used in the packaging.
The product does not come with separate instructions for use, but relevant instructions for use can be found on the surface of the bottle.

The first time in your hand

Product processing and appearance

Before we start the practical test, we take a close look at the workmanship of the products. How high quality are the materials used? Are the look and feel satisfactory?

Before we start the practical test, we take a close look at the workmanship of the products. How high quality are the materials used? Are the look and feel satisfactory?

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Visual appearance

Attractive design

100

Points

Processing

Very good workmanship

100

Points

Stability

Very stable

100

Points

Sustainability of the product

Not specified

90

Points

TOTAL

98

Points

Weighting: 20%
*Themaximum score is 100 points

When you pick up the product for the first time, you immediately notice its pleasant size. The bottle sits comfortably in the hand and can also be easily used by people with smaller hands.
The first thing that catches the eye on the outside is the clear step-by-step instructions for use.
The cap fits tightly and is well sized. It can be pulled off with a little effort, but is not too loose to come off easily.
Overall, the sealing bottle makes a solid and stable first impression.

This is what our practical test showed

Does the manufacturer keep its advertising promises?

Our practical test has the highest relevance and therefore weighting. Here, the product has to undergo a wide range of criteria and tests. We check the functions and product promises of the test article.

Our practical test has the highest relevance and therefore weighting. Here, the product has to undergo a wide range of criteria and tests. We check the functions and product promises of the test article.

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Adhesion to various surfaces

Adheres well

100

Points

Heat resistance

Resistant to sunlight and other heat sources

100

Points

Cold resistance

Resistant to sub-zero temperatures

100

Points

Odour test

Odour evaporates after hardening

100

Points

Resistance to cleaning agents

Resistant to various cleaning agents

100

Points

TOTAL

100

Points

Weighting: 45%
*Themaximum score is 100 points

The silicone seal was subjected to extensive practical testing.
In terms of adhesion, the tests showed that the silicone is suitable for a wide range of materials such as wood, glass, plastic and ceramic. After the drying process, a slightly elastic, very well adhering black mass was created.
The heat and cold resistance was particularly evident when exposed to sunlight and sub-zero temperatures overnight. No weaknesses in the material could be recognised here.
A minimal odour was noticeable when applying from the bottle, but this dissipated fairly quickly.
The resistance of the silicone to various cleaning agents was also tested. The material proved to be very resistant and showed no weaknesses.
In the practical test, this product impressed with its easy handling (uncomplicated application after a little practice) and the hard-wearing silicone.

.

Test plan

A detailed insight into the evaluation criteria of the practical part of the test and the distribution of points can be found here. If you are also interested in the evaluation of our other test criteria, please read our document on the evaluation process.

Price/performance ratio

and ratings from consumers

Finally, we analyse how the product compares to the competition. Can it keep up with the competition in terms of price and quality? Would we generally recommend buying it? We also look at the consumer reviews and check whether the critical and positive reviews are actually justified.

Finally, we analyse how the product compares to the competition. Can it keep up with the competition in terms of price and quality? Would we generally recommend buying it? We also look at the consumer reviews and check whether the critical and positive reviews are actually justified.

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Price / performance ratio

Very good performance in the mid-price segment

80

Points

Rating cut

Still too few customer reviews, not included in the overall rating

TOTAL

80

Points

Weighting: 15%
*Themaximum score is 100 points

At the time of testing, the product had not been listed on Amazon for long enough. Therefore, the existing reviews do not sufficiently reflect the advantages and disadvantages of the product, so this point is neglected in the evaluation.

Prices of up to €25.00 are charged on the Internet for equivalent products. Very cheap products are available from as little as €11.00 . The silicone seal from TECPO is therefore currently in the middle price segment with a price of €16.99. For the quality and performance received, the price-performance ratio is very good.

Overall result

1. packaging & contents

20%

100

Points

2. product processing & appearance

20%

98

Points

3. in the practical test

45%

100

Points

4. price/performance & consumer reviews

15%

80

Points

TOTAL

97

Points

*Themaximum score is 100 points

silicone seal
 of the brand 
TECPO
achieved
97
Points in our test and therefore passed. The test was carried out in the test period
03/25
and is stored in our database under the licence number
250303002
. Further information on our test procedure can be found at www.pruefengel.de/testverfahren.

The practical tests are based on careful observations and do not include long-term or laboratory tests. The test judgements reflect the personal impressions and opinions of the testers who try out the products in everyday use. We would like to emphasise that these evaluations do not claim to be exhaustive and may reflect both subjective and objective impressions. The evaluations are made to the best of our knowledge and belief, without any liability being assumed for the accuracy or completeness of the test results. It is important to note that our tests are not based on legal requirements, medical effects or specific ingredients of the products. We rely on the advertising claims and information provided by the manufacturers, but use of the information is always at your own risk. Our efforts are aimed at ensuring a serious and thorough testing procedure, which has been developed in a long and professional process in close co-operation with our testers.

The practical tests are based on careful observations and do not include long-term or laboratory tests. The test judgements reflect the personal impressions and opinions of the testers who try out the products in everyday use. We would like to emphasise that these evaluations do not claim to be exhaustive and may reflect both subjective and objective impressions. The evaluations are made to the best of our knowledge and belief, without any liability being assumed for the accuracy or completeness of the test results. It is important to note that our tests are not based on legal requirements, medical effects or specific ingredients of the products. We rely on the advertising claims and information provided by the manufacturers, but use of the information is always at your own risk. Our efforts are aimed at ensuring a serious and thorough testing procedure, which has been developed in a long and professional process in close co-operation with our testers.

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Evaluation process

You can find a detailed insight into our evaluation process, which forms the basis for our product ratings, here:

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