Silicone, Sikaflex & Workshop Adhesives

Stocked item: delivered in 1–2 working days in Ho Chi Minh City, Binh Duong and Dong Nai; free delivery for orders from VND 20,000,000; defective items exchanged within 7 days. Shipping & return policy

Product code: GL-IND · Specification: Silicone sealants, Sikaflex, two-part (AB) adhesives & general-purpose workshop adhesives

General Industrial Adhesives & Sealants

Brands: Sika (Sikaflex), Apollo, Titebond.
Delivery: stocked items are delivered in 24–48 hours (Ho Chi Minh City, Binh Duong, Dong Nai); made-to-order items 3–7 working days.

Everyday workshop adhesives, often bought together with Loctite. Neutral-cure silicone (odourless, does not attack metal — glass, aluminium, electrical cabinets) or acid-cure (low cost, glass to glass); clear/white/black/grey. Sika: Sikaflex 11FC elastic PU for bonding + sealing (floors, joints, metal to concrete), Sikaflex Construction 600 ml sausage for joint sealing, Sikaflex 112 Crystal Clear 290 ml clear bonding and sealing, Sikaflex 291 310 ml (marine bonding and sealing). Apollo: neutral silicone A500, A600 (oxime), acid silicone A200, A300, Acrylic A100, Apollo Bond, Apollo Foam PU expanding foam. AB epoxy 5-minute / 30-minute, clear/grey: metal, ceramics, repairs. Titebond wood glue; hot-melt glue sticks + 20/60 W guns for temporary bonding and securing wires; “502” Type 999 cyanoacrylate super glue; PVC flooring adhesive (non-conductive — ESD floors use conductive adhesive as recommended by the flooring manufacturer); white PVA glue, contact adhesive (multi-purpose).

Apollo Sealant A500 neutral oxime silicone 300 ml, clear white, with carton and nozzle — Apollo A500 neutral silicone (oxime) 300 ml

Sikaflex Construction 600 ml sausage in front of a Sikaflex carton — Sikaflex Construction PU sealant, 600 ml sausage

Apollo range: PU Foam expanding foam, Apollo Bond, Acrylic A100, silicone A600, A500, A250, A200, A300 — Apollo silicone, acrylic and expanding foam range

Type	Specification	Used for	Packing
Neutral-cure silicone	300 ml, clear/white/black/grey	Glass, aluminium, electrical cabinets	25 tubes/carton
Acid-cure silicone	300 ml	Glass to glass	25/carton
Apollo A500 / A600 silicone (oxime, neutral)	A500: 300 ml, clear white	Aluminium, glass, metal, near electrical equipment	Carton
Apollo A200 / A300 silicone (acid)	Tube, with nozzle	Glass to glass; not for copper or electrical cabinets	Carton
Apollo Acrylic A100, Apollo Bond, Apollo Foam	Tube / aerosol can	Paintable wall joint sealing, multi-purpose bonding, PU expanding foam for wall penetrations	Carton
Sikaflex Construction	600 ml sausage	Construction joints, floor joints	Carton
Sikaflex 112 Crystal Clear	290 ml, transparent	Bonding and sealing where a colourless bead is needed	Carton
Sikaflex 291	310 ml	Marine bonding and sealing, parts under vibration	Carton
Sikaflex 11FC	300 ml, white/grey/black	Floors, joints, metal	12/carton
AB epoxy	2 × 20 g (5 minutes) / 2 × 250 g	Metal, ceramics	Set
Titebond II / III	237 ml / 3.8 L	Wood, MDF	Bottle
Hot-melt glue sticks Φ11	1 kg (~40 sticks) + 60 W gun	Temporary bonding	Kg
“502” Type 999 super glue	20 g	Low-cost general purpose	20/box
PVC flooring adhesive	18 kg	Standard PVC flooring	Pail

MOQ 1 carton/set.

FAQ
– Neutral or acid-cure silicone for electrical cabinets? — Neutral (acid-cure releases acetic vapour that corrodes copper).
– Is AB adhesive heat-resistant? — It depends on the brand and grade; take the working temperature from the datasheet of the specific AB adhesive supplied.
– Can ESD flooring be laid with ordinary flooring adhesive? — No, conductivity is lost.

Silicone: distinguish by cure system

One-component (RTV) silicone cures with atmospheric moisture. During curing, the crosslinker releases a small molecule; depending on this substance, the silicone is called acid-cure, neutral or alkaline:

Type	Released during cure	Advantages	Avoid on
Acetoxy (acid-cure silicone)	Acetic acid (vinegar smell)	Fast cure, good adhesion to glass, low cost	Copper, plated metals, electrical cabinets, electronic circuits
Oxime / alkoxy (neutral)	Oxime or alcohol, low corrosivity	Usable on aluminium, metals and near electrical equipment	Cures more slowly than acid-cure types

Examples from the Henkel range: LOCTITE SI 596 is an acetoxy silicone, while SI 5699 is an oxime type explicitly labelled “non-corrosive”. Cured silicone is an elastic rubber with good heat resistance; the exact temperature range depends on each grade — check the datasheet of the actual product.

Note for electronics factories: silicone can migrate and form a thin film on nearby surfaces, so paint and adhesives bond poorly. Do not use silicone in SMT areas or on workbenches unless approved by the quality department.

Elastic PU sealant (Sikaflex 11FC)

A one-component polyurethane that cures with moisture; it both bonds and seals joints. After curing it stays elastic to take up movement in joints between metal, concrete and wood. Compared with silicone, PU is usually paintable and adheres better to concrete, so it suits floor joints, wall bases and rack feet. Take skin time, permissible joint movement and application temperature from Sika’s Product Data Sheet for the actual batch.

AB epoxy: metal and ceramic repairs

Two-component epoxy cures by a chemical reaction between resin and hardener, so it must be mixed in the correct ratio; with the wrong ratio the polymer network is incomplete, reducing mechanical properties and heat resistance.
The reaction is exothermic: mixing a large amount at once makes the adhesive heat up and set early, shortening working time. Mix only what you need.
Room-temperature-cure epoxies usually have lower heat and chemical resistance than heat-cured types. Example: LOCTITE EA 3463 (kneadable stick, steel-filled): working time 4 minutes, cure 10 minutes at 25 °C, application temperature 15–30 °C, cures underwater.
Uncured epoxy resin causes contact dermatitis and sensitisation — wear nitrile gloves; do not mix with bare hands.

Hot-melt glue sticks

Common hot-melt glue sticks are EVA-based (ethylene-vinyl acetate). Standard EVA grades have adequate strength at about 30–50 °C, but their limit is around 60–80 °C and they perform poorly under long-term load (creep). Use hot melt only for temporary fixing, holding wires and packaging — not for parts near heat sources, in vehicles/containers exposed to the sun, or for joints carrying long-term loads.

Storage and general safety

Close tubes and bottles tightly after use; silicone and PU cure with moisture, so an open nozzle will harden.
Store in a cool, dry place out of the sun; use by the date printed on the packaging; first in, first out.
Ventilate when using solvent-based adhesives (flooring adhesive, contact adhesive); keep away from ignition sources.
Keep the safety data sheet (SDS) of each product at the point of use.

Common mistakes

Using acid-cure silicone in electrical cabinets, cable trays or equipment containing copper — the acid vapour corrodes contacts.
Sealing with silicone and then painting over it — the paint does not adhere; use PU for joints that need painting.
Mixing AB adhesive “by eye” or mixing a whole large tube at once.
Using hot melt for joints that must bear heat or load.
Laying ESD flooring with ordinary PVC flooring adhesive — this breaks the conductive path to the copper grid; use a dedicated conductive adhesive.

Technical references

Price: from 180,000 VND (excl. 8% VAT).

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Hotline/Zalo +84 906 108 292 · info@primeag.vn

Written by the PRIMEAG engineering team.

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Updated: 2026-10-24

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