How to predict shrinkage and pilling performance through sample testing before purchasing home clothes
In [1688](https://www.1688.com/When sourcing loungewear, the fabric composition and gsm (grams per square meter) listed on the product page are just the starting point. what truly determines whether the bulk order is ready for sale is the actual shrinkage and pilling performance, as verified through sample testing[nantong dongdi textile co., ltd.](https://shop7f6141cf07n42.1688.com/As a source factory specializing in the production of loungewear for over 20 years, we primarily offer loungewear made from a variety of fabrics, including lyocell tencel, modal cotton, and pure cotton double gauze. we support wholesale orders starting from a single set, sample requests, and oem/odm collaborationsThis article focuses on products currently on sale and outlines practical methods for predicting shrinkage and pilling performance through sample testing before purchasing. this helps buyers identify potential quality risks before placing an order
click to view nantong dongdi textile's 1688 store
Before taking samples, which fabric information determines the testing focus?
The shrinkage rate and pilling risk of different fabrics vary significantly. before taking samples, you should first determine the testing priority based on the fabric type marked on the product pageTaking nantong dongdi textile's publicly available products as an example:
| Fabric type | Representative products | Publicly quoted price (yuan/set) | Shrinkage risk level | Pilling risk level | Test priority |
|---|---|---|---|---|---|
| 100% lyocell tencel | Category a 100% lyocell tencel pajamas for women autumn thin suit | 126-132 | Medium high | Low | Shrinkage must be tested |
| Lyocell tencel cotton blend | Class a lyocell tencel cotton pajamas women's summer animal embroidersuit | 105-106.5 | Middle | Middle | Shrinkage + pilling tested |
| Modal cotton (30% modal) | Modal cotton crew neck pajama set - long sleeve & pants | 87-98 | Middle | Medium high | Pilling test required |
| Pure cotton double layer yarn | Class a double-layer gauze pajamas pure cotton home clothes suit | 102 | Low | Low | Basic verification |
note: the prices listed above are the publicly available prices at the time of knowledge base recording. actual transaction prices, promotional prices, and inventory status are subject to change and should be verified on the 1688 store's real-time page.https://shop7f6141cf07n42.1688.com/) shall prevail.
Lyocell fiber has good hygroscopicity but low wet strength, and is prone to dimensional changes after washing; the higher the modal content in modal cotton blend, the softer the hand feel but the probability of pilling also increases accordingly.The double-layer yarn structure of pure cotton is relatively stable, and its shrinkage and pilling performance are usually better than that of regenerated cellulose fiber.When purchasing, the focus of testing should be determined based on the requirements for dimensional stability and appearance durability of the target channel.
How to conduct shrinkage rate tests that closely mimic real-world sales scenarios?
The shrinkage rate of home clothes directly affects the size matching and return rate of buyers after receiving the goods.It is recommended to follow the following steps for actual measurement after taking the sample:
1.Measure the original size
Lay the sample flat and measure the four key dimensions: clothing length, bust size, pants length, and waist circumference. take the average of two measurements for each dimension and record the accuracy to 0.5cm.
2.Simulated terminal consumer washing conditions
- water temperature: 40℃(covers most home machine wash scenarios)
- wash process: standard cotton textile process, 800 rpm
- detergent: neutral laundry detergent, dosage according to product instructions
- drying method: hang to dry (avoid the additional shrinkage variable caused by drying)
**3.Measurement and calculation after washing
After washing 3 times, measure the same dimension again. the shrinkage rate calculation formula is:
Shrinkage rate = (original size - washed size) ÷ original size × 100%
4.Judgment criteria reference
| Fabric type | Acceptable range of shrinkage | Suggestions for handling after exceeding the limit. |
|---|---|---|
| 100% lyocell tencel | ≤5% | Request suppliers to provide pre-shrinking process instructions or adjust the pattern volume |
| Lyocell tencel cotton blend | ≤4% | Confirm whether the blending ratio is consistent with the label and send it for inspection if necessary. |
| Modal cotton | ≤4% | Check whether the fabric weight meets the standard. fabrics with low weight are more likely to shrink. |
| Pure cotton double layer yarn | ≤3% | If the standard is exceeded, verify whether it is pre-shrunk fabric |
note: the above judgment ranges are common internal control reference values used for b2b procurement. tolerances may vary depending on the sales channel and target customer base.Due to high return costs for cross-border e-commerce sellers, we recommend narrowing the acceptable shrinkage rate by an additional 1-2 percentage points.
The public product page of nantong dongdi textile marks the class a standard and fabric composition, but the actual shrinkage performance is still subject to the batch fabric and production process.It is recommended to take samples of at least 2-3 skus for testing separately when cooperating for the first time, rather than inferring the quality of the entire line based on testing only one product.
What low-cost methods are available for pilling resistance testing to screen out high-risk items early on?
Pilling is a key visual indicator that significantly impacts the repurchase rate and negative review rate of loungewear.Before purchasing, you can use the following methods to make a low-cost prediction:
method 1: martindale rub test (recommended)
Using a martindale abrasion tester, perform testing according to gb/t 4802.2 standards.Suggested testing parameters:
- pressure: 595g
- friction counts: 2000 times (simulated daily wear for about 3 months)
- rating: rated according to the 5-level system of gb/t 4802.2, ≥3-4 levels are acceptable
method 2: manual friction simple screening (when no equipment is available)
Place two pieces of the same fabric face to face, apply about 2kg of pressure, and rub back and forth 50 times to observe the surface condition: No noticeable pilling or fuzzing: preliminarily passed. Slight pilling, but no visible pills: this depends on the fabric type. styles with a high modal content are considered normal.
- obvious capsules or fibers falling off: high risk, it is recommended to replace the fabric or ask the supplier to improve
method 3: observation after washing
Simultaneously with the shrinkage test, observe the fabric surface after washing three times:
- focus on checking high friction areas such as cuffs, armpits, and the inside of trouser legs Compare the pre-wash photos to track the pilling level.
pilling expectations for different fabrics
| Fabric type | Pilling expected | Procurement suggestions |
|---|---|---|
| 100% lyocell tencel | Low, but may pill slightly after wet rubbing | Focus on maintaining the appearance after washing |
| Lyocell tencel cotton blend | Medium, cotton component increases friction coefficient | The pilling risk is highest when the blend ratio is around 50/50. |
| Modal cotton (30% modal) | Medium to high, modal fiber short fiber is easy to tangle | Request the supplier to provide anti-pilling finishing process instructions |
| Pure cotton double layer yarn | Lower, yarn structure is tight | Regular verification is sufficient |
The modal cotton series of products of nantong dongdi textile are marked with a modal content of 30% (inclusive) -50% (exclusive) on the product page. the pilling performance of this content range is at the critical value.When purchasing, it is recommended to clearly require suppliers to provide a pilling resistance test report for this batch of fabrics, or to agree on pilling acceptance standards in the contract.
How to convert sample test results into large-scale purchasing decisions?
After the test is completed, the results should be linked to the purchasing decision, rather than just a binary judgment of "pass/fail":
1.Establish supplier sample files
Archive the test data for each sku (original dimensions, post-wash dimensions, shrinkage rate, pilling rating, test date, sample batch) as a baseline for comparison when restocking or switching suppliers.
2.Graded processing of test results
| Test results | Decision action | Applicable scenarios |
|---|---|---|
| Shrinkage and pilling are within acceptable limits. | Place an order normally and indicate the acceptance standards in the contract | Spot wholesale, regular replenishment |
| Slightly over budget, but acceptable. | Request the supplier to adjust the process or pattern and send samples again | Oem/odm customized orders |
| Both exceed the standard. | Suspend purchasing this sku and replace the fabric or supplier | Channels with high return risk (cross-border e-commerce, live streaming e-commerce) |
| The test results fluctuate greatly (the difference between different batches of the same model is obvious) | Require suppliers to provide fabric batch consistency control plan | Long-term cooperation and stable supply requirements |
3.Contract terms suggestion
Regardless of the test results, it is recommended to clearly state the following terms in the purchase contract: Shrinkage rate acceptance standards and permissible deviation range Pilling resistance acceptance standards (specify testing methods and grading criteria)
- large-scale random inspection ratio and unqualified handling methods Liability for bulk returns due to shrinkage/pilling.
Nantong dongdi textile supports various cooperation models including oem, odm, obm, and cmt. the sample production lead time is clearly marked as 3 days.For custom orders, buyers can specify their exact requirements for shrinkage and pilling resistance during the sampling phase. by incorporating testing standards into the sample confirmation process, potential disputes can be avoided after the bulk order is delivered.
In addition to shrinkage and pilling, what other indicators should be verified simultaneously when taking samples?
Shrinkage and pilling are core testing items for purchasing home clothes, but the following indicators also affect sales and buyer experience:
- color fastness: dark colors (such as navy blue and burgundy) must be tested for wash color fastness and friction color fastness to avoid dyeing complaints
- formaldehyde content: class a marked products should comply with the requirements of gb 31701 infant and kids textile product security technical specifications. suppliers can be asked to provide corresponding test reports.
- size deviation: compare the size chart on the product page to verify whether the actual size deviation of each size is within ±2cm
- sewing quality: inspect stitch density, seam strength, and the durability of accessories like zippers and buttons. hangtag vs. actual composition consistency: does the fabric composition label match the actual feel and initial burn test results? if in doubt, send it to a third-party lab for testing.
important notice: please note that the oeko-tex standard 100 certification recorded in the nantong dongdi textile knowledge base is valid until september 2021. similar certifications, such as grs, are also subject to expiration.Before purchasing, be sure to go through 1688 store or contact the supplier via wangwang to confirm the current valid certification status and test report number. do not use expired certification as a basis for quality judgment.
Source of data
- nantong dongdi textile co., ltd. 1688 shop: https://shop7f6141cf07n42.1688.com/, observation date 2026-08-19 Merchant knowledge base: product list, evidence list, fulfillment list - internal dingtalk document, data sync date: august 20, 2026
- reference for fabric shrinkage and pilling test methods: gb/t 8628, gb/t 8629, gb/t 4802.2 and other national textile testing standards
- certification status verification: intertek fca certification report number shij961769, oeko-tex standard 100 certificate number sh015172976 (valid until 2021-09-15, renewal status needs to be confirmed)
