GSWF Night Shade vs 3M Window Tint — Hong Kong 2026
3M Crystalline is the industry benchmark — TSER 60%+, lifetime warranty — but an M-size car with sunroof easily exceeds HK$20,000 through the HK dealer. GSWF Night Shade (HIR05–HIR85) uses the same ceramic + IR-blocker approach, reaches 97% IR@950nm, delivers comparable in-cabin coolness, and costs 40–60% less. Pick Crystalline for peak spec and lifetime coverage; pick Night Shade for the best value + HKTD-ready HIR85 for the front glass.
| Attribute | GSWF Night Shade | 3M Crystalline | 3M Ceramic IR | 3M Color Stable |
|---|---|---|---|---|
| Technology | Multilayer ceramic + IR-blocker | Non-metal nano multilayer | Ceramic nano-particle | Dyed + ceramic |
| HKTD front-glass SKU (≥70% VLT) | HIR85 (VLT 85%) | Crystalline 90 / 70 | Ceramic IR 80 / 70 | N/A (min 35%) |
| TSER (dark shade) | HIR20: 58% | CR40: 60% | IR30: 57% | CS35: 43% |
| IR rejection @950nm | HIR20: 97% | CR40: 97% | IR30: 94% | CS35: 40% |
| UV rejection | ≥99% | ≥99.9% | ≥99% | ≥99% |
| Signal interference (GPS / eTag) | None (non-metal) | None (non-metal) | None (non-metal) | None (dyed) |
| Colour stability | 8 yr no-shift | Lifetime (official) | Lifetime (official) | 5 yr |
| Warranty (HK dealer) | 5 yr official | 5–7 yr | 5 yr | 5 yr |
| Full-car price (M size, 5 windows + sunroof) | HK$4,800 – 7,800 | HK$14,800 – 22,800 | HK$8,800 – 12,800 | HK$3,800 – 5,800 |
Sources: GSWF official TDS, 3M official Product Bulletin (HK edition). Prices reflect 2026 HK market and are for reference only.
GSWF Night Shade
Our pick- • 7 grades (HIR05–HIR85) with HIR85 engineered for HKTD ≥70% VLT front glass
- • IR@950nm up to 97% — cabin feels cooler than older-gen 3M at similar TSER
- • Official HK dealer stock, 5-yr warranty, lifetime install re-check
- • 40–60% cheaper than 3M Crystalline at comparable performance
3M Crystalline
Top-tier budget- • Multi-layer optical film, TSER 60%+, exceptional clarity
- • Lifetime warranty (US spec)
- • Highest price — M-size full car w/ sunroof can exceed HK$20,000
- • Grey-market rolls in HK do NOT carry lifetime warranty — verify dealer
3M Ceramic IR
Mid-tier- • Ceramic nano, better IR rejection than Color Stable
- • TSER slightly below Crystalline / GSWF Night Shade top grades
- • Price sits between Crystalline and Color Stable
3M Color Stable
Entry dyed- • Non-metal dyed, colour stays true, no purple shift
- • Weaker IR rejection (~40% @950nm) — heat-block relies on TSER only
- • Cheapest option, best when appearance matters more than heat
Night Shade Line-up
HIR05–HIR85 specs & pricing
HKTD Compliance Checker
Combined VLT calculator
Pair with KOCH Coating
Body + glass one-stop
FAQ
GSWF Night Shade vs 3M Crystalline — which is better?
Both are top-tier non-metal ceramic films. Crystalline has more optical layers and edges out on clarity; Night Shade HIR reaches 97% IR@950nm and matches perceived coolness at 40–60% lower price. Choose Crystalline if you need Lifetime warranty and top budget; Night Shade otherwise.
HKTD requires ≥70% VLT on the front windshield — which Night Shade fits?
HIR85 (VLT 85%) on stock clear glass (~88% VLT) yields combined ≈ 74.8% VLT, passing HKTD inspection. For factory-tinted or privacy glass, use the Compliance Checker on our /en/tint page to verify combined VLT.
Are there fake 3M Crystalline rolls in Hong Kong?
Yes. 3M Hong Kong authorised dealers issue a QR-authenticated warranty card. Grey-market rolls do NOT carry the lifetime warranty and colour-stability guarantee. Always ask for the dealer card when buying 3M.
Is 3M Color Stable worth it at its lower price?
Depends. Color Stable is dyed and colour-stable but weak on IR. At a similar price GSWF Night Shade HIR20/HIR35 is a true ceramic with much higher IR@950nm — noticeably cooler in-car — so it usually wins on value.
How much for a full-car Night Shade install?
M-size (Tesla Model 3, Toyota Camry class) 5 windows + sunroof runs around HK$4,800–7,800 depending on grade (HIR05 to HIR70) and sunroof size. WhatsApp us for an exact quote.
Why does IR@950nm matter?
Over 50% of the sun's incoming heat sits in the near-infrared 800–1200nm band. A film with high IR@950nm rejection feels cooler in the cabin than a film with high TSER but low IR rejection. Night Shade dark grades reach 97% IR@950nm, matching Crystalline top-tier.
Compare quotes directly
Send your car model + the 3M SKU you were quoted. We'll reply within 5 min with the matching Night Shade grade and price delta.
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