Keystone Heavy Duty SMS Coverall, CVL-SMS-HE, 25/Case
Keystone Heavy Duty SMS Coverall, CVL-SMS-HE, 25/Case
The Keystone CVL-SMS-HE is a heavy duty SMS coverall designed for workers in electronics, medical device, and pharmaceutical manufacturing who need reliable barrier protection without sacrificing comfort or mobility. It features an attached hood, elastic wrists and ankles, and a zipper front closure — all in a 100% latex-free, flame-resistant construction. Sold in cases of 25.
Specifications
| Material | SMS (Spunbond-Meltblown-Spunbond) polypropylene — heavyweight meltblown layer bonded between 2 spunbond layers |
| Model | CVL-SMS-HE |
| Closure | Zipper front |
| Hood | Attached |
| Wrists / Ankles | Elastic |
| Latex Free | Yes — 100% latex free |
| Flame Resistant | Yes |
| Fluid Resistant | Yes |
| Tear / Puncture Resistant | Yes |
| Melting Point | 320–338°F (above decomposition temp of polyethylene, silk, cotton, and wool) |
| Sizes Available | Small, Medium, Large, XL, 2XL, 3XL, 4XL, 5XL |
| Colors Available | White, Blue |
| Packaging | 25 per case |
| Industries | Electronics, Medical Device, Pharmaceutical |
Frequently Asked Questions
What is SMS material and why is it used in coveralls?
SMS stands for Spunbond-Meltblown-Spunbond — a three-layer polypropylene construction where the meltblown core provides barrier protection against fluids and particles while the outer spunbond layers add strength and durability. It's widely used in cleanroom and controlled-environment apparel because it balances protection with breathability and comfort.
Is the CVL-SMS-HE suitable for cleanroom use?
Yes. The CVL-SMS-HE is commonly used in electronics, medical device, and pharmaceutical manufacturing environments. Its fluid and particulate barrier properties make it appropriate for ISO-classified cleanrooms and controlled areas where contamination control is required.
Is this coverall latex free?
Yes — the CVL-SMS-HE is 100% latex free, making it safe for workers and environments with latex sensitivity requirements.
How many coveralls come in a case?
Each case contains 25 coveralls. The CVL-SMS-HE is available in sizes Small through 5XL and in white or blue.
