雪地靴耐低温用什么材料?开裂的根,常常在选型那天

应用领域 发布时间: 2026-09-12 716 阅读

Boot soles crack at a break at minus 10°C, bulk returned. If you choose the right snow boots for low temperature resistance, you'll ruin your reputation for winter.

Boots crack at minus 10°C soles

Snow boots are 'winter gear': resistant to low temperatures, insulated, and slip-resistant. Materials must withstand low temperatures, retain warmth, and be non-slip—here's the conclusion: low-temperature resistant TPE is mainstream for snow boots; In extremely cold regions, TPU or composite is preferred.

The biggest pitfall of snow boots: cracked roots often occur on the day you choose the boot. Cracking is a winter phenomenon; the root cause is the low-temperature resistance data on the day you select—don't skimp on the day you choose.

Snow boots are functional parts: cracking and slipping are both issues. Choosing the right materials makes snow boots stable—functional parts, don't skimp on material costs.

Why do snow boots lean toward TPE ?

Reasons for using TPE for snow boots: can be cold-resistant, anti-slip, can keep warm, and is efficient—all four together, suitable for snow boots.

Cold resistance is the core: subzero environment. Low-temperature bending test is included in acceptance—cracking is the problem.

Anti-slip cannot be saved: snow and ice surfaces. Anti-slip test is included in acceptance—slipping is the problem.

Low-temperature snow warmth, three checkpoints

Low-temperature conditions: subzero environment. Low-temperature data must be verified—cracking is the problem.

Snow conditions: snowy and icy surfaces. Anti-slip data must be checked—slipping is the problem.

Insulation conditions: thermal insulation. Material data must be checked—cold penetration is the problem.

TPE or rubber? How to choose snow boots :

dimensionTPErubber
cold-resistantcustomizablegood
slip-resistantcustomizablegood
warmthOperableGood
CostMediumMedium-High
WeightLightHeavy
EfficiencyInjection MoldingVulcanization

Table Reading: Rubber is cold-resistant, slip-resistant, but expensive and heavy; TPE is lightweight and cost-effective—snow boots, TPE is mainstream.

Choose by region: extreme cold rubber, conventional TPE.

Snow boot acceptance: cold resistance and slip resistance, two tests

temperatureResults
-10°CBendingNo cracks
-20°CBendingNo cracks
-30°CBendingNo cracks
SnowAnti-slipPassing

Table reading: -20°C and -30°C each step down, identify the root at the exact temperature of the cracked root.

On the day of selection, don't skimp.

Only want to look good, all three pitfalls are exposed in winter

Pit 1: Only want to look good. In winter, crack as soon as you step on it; in summer, no low-temperature tests were tested — cold resistance is a must-test.

Pit 2: Low temperature false labeling. The report says cold resistance, but actual cracking — low temperature tests are accepted based on actual tests.

Pit 3: Slip resistance missed test. Snow slipping—slip resistance test, mandatory.

When choosing snow boot material, first determine temperature resistance

Three questions: what temperature is used for low temperature, what ground is for slip resistance, and is there cold resistance data? First inspection: Actual snow testing—three questions and one inspection, supplier background clear.

Low temperature verification first: test -20°C without bending, then negotiate price—don't skimp on the day of selection.

Make it a habit to keep samples: keep samples for each batch, retest low-temperature slip resistance by batch. Compare batch material changes before scaling up—batch stability, few customer complaints.

Snow boots undergo low-temperature bending and tear-free acceptance at -30°C, extreme cold level should reach -40°C. Temperature drops by one level, so cracks can be found—don't just report -10°C.

Rubber is good cold resistance and anti-slip but expensive and heavy; TPE is light but moderately cold-resistant. Northeast and Northern Europe select TPU or composite for extreme cold; TPE weather resistance for regular snow season—according to the lowest temperature selection system.

Snow boot cracking isn't just a winter problem; the root cause is the low-temperature data on the selection day. De-icing agent salt erosion and toughening agent combinations all affect — low-temperature toughness data must be provided by the supplier.

Snow boot acceptance is first soaked in de-icing agent, then bent at -30°C, with texture matching the ice surface core. The anti-slip level for urban snow, ice, mountaineering, and snow climbing is gradually improved, with formulas adjusted according to target grade.

-30°C Bending without cracking and soaking in snow-melting agent for inspection, snow boots do not crack or slip in winter. Each batch is sampled for low temperature and anti-slip; in extremely cold regions, mold testing is done separately at the lowest temperature.

Common Problems and Countermeasures for Snow Boots

PhenomenonCausesCountermeasures
CrackingWeak Low Temperature ResistanceReplace with low-temperature resistant material
SlipInsufficient anti-slipAdjust texture
OdorSubstrate oil issueReplace substrate material
Salt corrosionDe-icing agent corrosionSwitch to salt-resistant material
Batch driftFormula fluctuationLock window

Snow boots low-temperature bending and inspection at -30°C without cracking, northeast and northwest should reach -40°C. Only when the temperature drops by one level can cracks be found—only -10°C data is reported; Northeast customers crack after just one week of winter wear.

snow boot de-icing agent is bend and accepted after soaking in calcium chloride solution for 48 hours. Urban snow de-icing agent is more corrosive than ice and snow;

becomes brittle after soaking in salt solution—tested according to actual salt usage on target city roads during winter.

Snow boot wear resistance is accepted according to ice surface friction coefficient ≥0.25, texture designed according to ice surface. Slip resistance on ice and snow surfaces is different from ordinary wet surfaces;

texture should be designed according to ice and snow friction coefficient—ice test conducted separately, don't fool with wet road data.

Snow boot upper and sole bonding is accepted with a peel force of 2.0kN/m, then retested after low temperature. At low temperatures, the bonded surface becomes brittle and peel force drops quickly—adhesion is more critical in low temperatures than at room temperature, and testing after freezing is the most reliable.

Snow boot terry and sole bonding is accepted with a peel force of 1.5kN/m, then retested after low temperature. Adhesive strength drops quickly below zero, terry peels off and is considered waste—only after freezing does peeling force become real.

Cologne customer case: Odor was returned and stored in warehouse, matching substrate yield 98%

A shoe material factory in Guangzhou had finished snow boot odors returned downstream, and goods were stored in the warehouse. Cologne coordinates with rematching the overmolding substrate and processing temperature, eliminating odors and stabilizing mass production yield at 98%. Correct substrate matching, eliminating odors at the source—for odor issues, first check the substrate and oil.

Summary

Selection of snow boots: test low temperature first, anti-slip before testing; cracked roots often occur on the selection day, select the type by province.

Ningbo Kelong New Materials Co., Ltd.

Modified thermoplastic elastomers.

Modified nylon: PA6, PA66, PA46, PA11, PA12, PA6T, PA9T, nylon alloys.

Modified PPO, PPS.

Produces nylon resin, sub-brand materials, and bulk materials for major chemical giants.

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